10000000 (number)

Ten million (10,000,000) is the natural number following 9,999,999 and preceding 10,000,001.

In scientific notation, it is written as 10⁷.

In South Asia, it is known as the crore.

Selected 8-digit numbers (10,000,001–99,999,999)

• 10077696 = 6⁹
• 10609137 – Leyland number
• 11111111 – repunit
• 11436171 – Keith number^[1]
• 11485154 – Markov number
• 11881376 = 26⁵
• 12960000 = 60⁴, (3·4·5)⁴, Plato's "nuptial number" (Republic VIII; see regular number)
• 12648430 – hexadecimal C0FFEE, resembling the word "coffee"; used as a placeholder in computer programming, see hexspeak.
• 12988816 = the number of different ways of covering an 8-by-8 square with 32 1-by-2 dominoes
• 13782649 – Markov number
• 11390625 = 15⁶
• 14348907 = 3¹⁵
• 14352282 – Leyland number
• 14930352 – Fibonacci number^[2]
• 15485863 – 1,000,000th prime number
• 15994428 – Pell number^[3]
• 16609837 – Markov number
• 16769023 – Carol prime^[4] and an emirp
• 16777216 = 2²⁴ – hexadecimal "million" (0x1000000), number of possible colors in 24/32-bit Truecolor computer graphics
• 16777792 – Leyland number
• 16785407 – Kynea number^[5]
• 16797952 – Leyland number
• 16964653 – Markov number
• 17210368 = 28⁵
• 17650828 = 1¹ + 2² + 3³ + 4⁴ + 5⁵ + 6⁶ + 7⁷ + 8⁸
• 18199284 – Motzkin number^[6]
• 19487171 = 11⁷
• 19680277 – Wedderburn-Etherington number^[7]
• 19987816 – palindromic in 3 consecutive bases: 41AAA14₁₃, 2924292₁₄, 1B4C4B1₁₅
• 20031170 – Markov number
• 20511149 = 29⁵
• 21531778 – Markov number
• 21621600 – colossally abundant number,^[8] superior highly composite number^[9]
• 22222222 – repdigit
• 24137569 = 17⁶
• 24157817 – Fibonacci number,^[2] Markov number
• 24300000 = 30⁵
• 24678050 – equal to the sum of the eighth powers of its digits
• 27644437 – Bell number^[10]
• 28629151 = 31⁵
• 31536000 – standard number of seconds in a non-leap year (omitting leap seconds)
• 31622400 – standard number of seconds in a leap year (omitting leap seconds)
• 33333333 – repdigit
• 33445755 – Keith number^[1]
• 33550336 – fifth perfect number^[11]
• 33554432 = 2²⁵ – Leyland number
• 33555057 – Leyland number
• 34012224 = 18⁶
• 35831808 = 12⁷
• 36614981 – alternating factorial^[12]
• 38613965 – Pell number,^[3] Markov number
• 39088169 – Fibonacci number^[2]
• 39135393 = 33⁵
• 39916800 = 11!
• 39916801 – factorial prime^[13]
• 40353607 = 7⁹
• 43046721 = 3¹⁶
• 43050817 – Leyland number
• 43112609 – Mersenne prime exponent
• 43443858 – palindromic in 3 consecutive bases: 3C323C3₁₅, 296E692₁₆, 1DA2AD1₁₇
• 43484701 – Markov number
• 44121607 – Keith number^[1]
• 44444444 – repdigit
• 45136576 – Leyland number
• 45435424 = 34⁵
• 46026618 – Wedderburn-Etherington number^[7]
• 46656000 = 360³
• 47045881 = 19⁶
• 48828125 = 5¹¹
• 48928105 – Markov number
• 48989176 – Leyland number
• 50852019 – Motzkin number^[6]
• 52521875 = 35⁵
• 55555555 – repdigit
• 60466176 – 6¹⁰
• 61466176 – Leyland number
• 62748517 = 13⁷
• 63245986 – Fibonacci number, Markov number
• 64000000 = 20⁶ – vigesimal "million" (1 alau in Mayan, 1 poaltzonxiquipilli in Nahuatl)
• 66666666 – repdigit
• 67092479 – Carol number^[14]
• 67108864 = 2²⁶
• 67109540 – Leyland number
• 67125247 – Kynea number^[5]
• 67137425 – Leyland number
• 69343957 = 37⁵
• 73939133 – the largest prime number that can be 'tailed' again and again by removing its last digit to produce only primes
• 77777777 – repdigit
• 78442645 – Markov number
• 79235168 = 38⁵
• 85766121 – 21⁶
• 87539319 – taxicab number^[15]
• 88888888 – repdigit
• 90224199 = 39⁵
• 93222358 – Pell number^[3]
• 94418953 – Markov number
• 99999989 - Greatest prime number with 8 digits^[16]
• 99999999 – repdigit, Friedman number, believed to be smallest number to be both repdigit and Friedman

See also

• Hebdometre

References