129390774016

Names of 129390774016

• Cardinal: 129390774016 can be written as One hundred twenty-nine billion, three hundred ninety million, seven hundred seventy-four thousand and sixteen.

Scientific notation

• Scientific notation: 1.29390774016 × 10¹¹

Factors of 129390774016

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3264

Divisors of 129390774016

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 8 14 16 28 31 32 56 62 64 112 124 128 217 224 248 256 434 448 496 868 896 992 1093 1736 1792 1984 2131 2186 3472 3968 4262 4372 6944 7651 7936 8524 8744 13888 14917 15302 17048 17488 27776 29834 30604 33883 34096 34976 55552 59668 61208 66061 67766 68192 69952 119336 122416 132122 135532 136384 139904 237181 238672 244832 264244 271064 272768 279808 462427 474362 477344 489664 528488 542128 545536 924854 948724 954688 979328 1056976 1084256 1849708 1897448 1909376 1958656 2113952 2168512 2329183 3699416 3794896 3818752 4227904 4337024 4658366 7398832 7589792 8455808 8674048 9316732 14797664 15179584 16304281 16911616 18633464 29595328 30359168 32608562 37266928 59190656 60718336 65217124 72204673 74533856 118381312 130434248 144409346 149067712 260868496 288818692 298135424 505432711 521736992 577637384 596270848 1010865422 1043473984 1155274768 2021730844 2086947968 2310549536 4043461688 4173895936 4621099072 8086923376 9242198144 16173846752 18484396288 32347693504 64695387008 129390774016
• Sum of all divisors σ(n): 305116284928
• Sum of proper divisors (its aliquot sum) s(n): 175725510912
• 129390774016 is an abundant number, because the sum of its proper divisors (175725510912) is greater than itself. Its abundance is 46334736896

Bases of 129390774016

• Binary: 1111000100000010010101000011100000000₂
• Hexadecimal: 0x1E204A8700
• Base-36: 1NFVXC74

Squares and roots of 129390774016

• 129390774016 squared (129390774016²) is 16741972400459580768256
• 129390774016 cubed (129390774016³) is 2166256767449974669727511762436096
• The square root of 129390774016 is 359709.2909781453
• The cube root of 129390774016 is 5057.8712529553

Scales and comparisons

• 129,390,774,016 seconds is equal to 4,114 years, 11 weeks, 5 days, 9 hours, 40 minutes, 16 seconds.
• To count from 1 to 129,390,774,016 would take you about eight thousand, two hundred twenty-eight 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 129390774016 cubic inches would be around 421.5 feet tall.

Recreational maths with 129390774016

• 129390774016 backwards is 610477093921
• The number of decimal digits it has is: 12
• The sum of 129390774016's digits is 49
• More coming soon!