12990538902

Names of 12990538902

• Cardinal: 12990538902 can be written as Twelve billion, nine hundred ninety million, five hundred thirty-eight thousand, nine hundred two.

Scientific notation

• Scientific notation: 1.2990538902 × 10¹⁰

Factors of 12990538902

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1334

Divisors of 12990538902

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 11 22 31 33 37 62 66 74 93 111 157 186 222 314 341 407 471 682 814 942 1023 1093 1147 1221 1727 2046 2186 2294 2442 3279 3441 3454 4867 5181 5809 6558 6882 9734 10362 11618 12023 12617 14601 17427 24046 25234 29202 33883 34854 36069 37851 40441 53537 63899 67766 72138 75702 80882 101649 107074 121323 127798 160611 171601 180079 191697 203298 242646 321222 343202 360158 372713 383394 444851 514803 540237 745426 889702 1029606 1080474 1118139 1253671 1334553 1887611 1980869 2236278 2507342 2669106 3761013 3775222 3961738 5319631 5662833 5942607 6349237 7522026 10639262 11325666 11885214 12698474 13790381 15958893 19047711 27580762 31917786 38095422 41371143 58515941 69841607 82742286 117031882 139683214 175547823 196826347 209524821 351095646 393652694 419049642 590479041 1180958082 2165089817 4330179634 6495269451 12990538902
• Sum of all divisors σ(n): 30267076608
• Sum of proper divisors (its aliquot sum) s(n): 17276537706
• 12990538902 is an abundant number, because the sum of its proper divisors (17276537706) is greater than itself. Its abundance is 4285998804

Bases of 12990538902

• Binary: 1100000110010010111110010010010110₂
• Hexadecimal: 0x3064BE496
• Base-36: 5YU8BYU

Squares and roots of 12990538902

• 12990538902 squared (12990538902²) is 168754100964375365604
• 12990538902 cubed (12990538902³) is 2192206713449753903009234726808
• The square root of 12990538902 is 113976.0452990015
• The cube root of 12990538902 is 2350.7641336989

Scales and comparisons

• 12,990,538,902 seconds is equal to 413 years, 3 weeks, 11 hours, 1 minute, 42 seconds.
• To count from 1 to 12,990,538,902 would take you about eight hundred twenty-six years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 12990538902 cubic inches would be around 195.9 feet tall.

Recreational maths with 12990538902

• 12990538902 backwards is 20983509921
• The number of decimal digits it has is: 11
• The sum of 12990538902's digits is 48
• More coming soon!