15129359872

Names of 15129359872

• Cardinal: 15129359872 can be written as Fifteen billion, one hundred twenty-nine million, three hundred fifty-nine thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.5129359872 × 10¹⁰

Factors of 15129359872

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 162

Divisors of 15129359872

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 64 88 121 128 149 176 242 256 298 352 484 512 596 704 968 1192 1331 1408 1639 1936 2384 2662 2816 3278 3872 4768 5324 5632 6556 7744 9536 10648 13112 15488 18029 19072 21296 22201 26224 30976 36058 38144 42592 44402 52448 61952 72116 76288 85184 88804 104896 144232 170368 177608 198319 209792 244211 288464 340736 355216 396638 419584 488422 576928 681472 710432 793276 839168 976844 1153856 1420864 1586552 1953688 2307712 2686321 2841728 3173104 3907376 4615424 5372642 5683456 6346208 7814752 9230848 10745284 11366912 12692416 15629504 21490568 25384832 29549531 31259008 42981136 50769664 59099062 62518016 85962272 101539328 118198124 125036032 171924544 236396248 343849088 472792496 687698176 945584992 1375396352 1891169984 3782339968 7564679936 15129359872
• Sum of all divisors σ(n): 33474466872
• Sum of proper divisors (its aliquot sum) s(n): 18345107000
• 15129359872 is an abundant number, because the sum of its proper divisors (18345107000) is greater than itself. Its abundance is 3215747128

Bases of 15129359872

• Binary: 1110000101110001111011011000000000₂
• Hexadecimal: 0x385C7B600
• Base-36: 6Y7MOSG

Squares and roots of 15129359872

• 15129359872 squared (15129359872²) is 228897530136483856384
• 15129359872 cubed (15129359872³) is 3463073107246829539951900622848
• The square root of 15129359872 is 123001.4628856097
• The cube root of 15129359872 is 2473.2813220263

Scales and comparisons

• 15,129,359,872 seconds is equal to 481 years, 3 weeks, 3 days, 7 hours, 57 minutes, 52 seconds.
• To count from 1 to 15,129,359,872 would take you about nine hundred sixty-two 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 15129359872 cubic inches would be around 206.1 feet tall.

Recreational maths with 15129359872

• 15129359872 backwards is 27895392151
• The number of decimal digits it has is: 11
• The sum of 15129359872's digits is 52
• More coming soon!