12991284432

Names of 12991284432

• Cardinal: 12991284432 can be written as Twelve billion, nine hundred ninety-one million, two hundred eighty-four thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 1.2991284432 × 10¹⁰

Factors of 12991284432

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1089

Divisors of 12991284432

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 89 112 126 144 168 178 179 252 267 336 356 358 504 534 537 623 712 716 801 809 1008 1068 1074 1246 1253 1424 1432 1602 1611 1618 1869 2136 2148 2427 2492 2506 2864 3204 3222 3236 3738 3759 4272 4296 4854 4984 5012 5607 5663 6408 6444 6472 7281 7476 7518 8592 9708 9968 10024 11214 11277 11326 12816 12888 12944 14562 14952 15036 15931 16989 19416 20048 22428 22554 22652 25776 29124 29904 30072 31862 33978 38832 44856 45108 45304 47793 50967 58248 60144 63724 67956 72001 89712 90216 90608 95586 101934 111517 116496 127448 135912 143379 144002 144811 180432 191172 203868 216003 223034 254896 271824 286758 288004 289622 334551 382344 407736 432006 434433 446068 504007 573516 576008 579244 648009 669102 764688 815472 864012 868866 892136 1003653 1008014 1013677 1147032 1152016 1158488 1296018 1303299 1338204 1512021 1728024 1737732 1784272 2007306 2016028 2027354 2294064 2316976 2592036 2606598 2676408 3024042 3041031 3456048 3475464 4014612 4032056 4054708 4536063 5184072 5213196 5352816 6048084 6082062 6950928 8029224 8064112 8109416 9072126 9123093 10368144 10426392 12096168 12164124 12888179 16058448 16218832 18144252 18246186 20852784 24192336 24328248 25776358 36288504 36492372 38664537 48656496 51552716 72577008 72984744 77329074 90217253 103105432 115993611 145969488 154658148 180434506 206210864 231987222 270651759 309316296 360869012 463974444 541303518 618632592 721738024 811955277 927948888 1082607036 1443476048 1623910554 1855897776 2165214072 3247821108 4330428144 6495642216 12991284432
• Sum of all divisors σ(n): 42305328000
• Sum of proper divisors (its aliquot sum) s(n): 29314043568
• 12991284432 is an abundant number, because the sum of its proper divisors (29314043568) is greater than itself. Its abundance is 16322759136

Bases of 12991284432

• Binary: 1100000110010101110100010011010000₂
• Hexadecimal: 0x3065744D0
• Base-36: 5YUOB80

Squares and roots of 12991284432

• 12991284432 squared (12991284432²) is 168773471193125562624
• 12991284432 cubed (12991284432³) is 2192584168845852587138412269568
• The square root of 12991284432 is 113979.3158077379
• The cube root of 12991284432 is 2350.8091031359

Scales and comparisons

• 12,991,284,432 seconds is equal to 413 years, 4 weeks, 2 days, 2 hours, 7 minutes, 12 seconds.
• To count from 1 to 12,991,284,432 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 12991284432 cubic inches would be around 195.9 feet tall.

Recreational maths with 12991284432

• 12991284432 backwards is 23448219921
• The number of decimal digits it has is: 11
• The sum of 12991284432's digits is 45
• More coming soon!