3129720832

Names of 3129720832

• Cardinal: 3129720832 can be written as Three billion, one hundred twenty-nine million, seven hundred twenty thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 3.129720832 × 10⁹

Factors of 3129720832

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 979

Divisors of 3129720832

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 7 8 14 16 28 29 32 56 58 64 112 116 128 203 224 232 256 406 448 464 512 812 896 928 941 1024 1624 1792 1856 1882 2048 3248 3584 3712 3764 4096 6496 6587 7168 7424 7528 8192 12992 13174 14336 14848 15056 16384 25984 26348 27289 28672 29696 30112 51968 52696 54578 57344 59392 60224 103936 105392 109156 114688 118784 120448 191023 207872 210784 218312 237568 240896 382046 415744 421568 436624 475136 481792 764092 831488 843136 873248 963584 1528184 1662976 1686272 1746496 1927168 3056368 3325952 3372544 3492992 3854336 6112736 6745088 6985984 7708672 12225472 13490176 13971968 15417344 24450944 26980352 27943936 48901888 53960704 55887872 97803776 107921408 111775744 195607552 223551488 391215104 447102976 782430208 1564860416 3129720832
• Sum of all divisors σ(n): 7407963360
• Sum of proper divisors (its aliquot sum) s(n): 4278242528
• 3129720832 is an abundant number, because the sum of its proper divisors (4278242528) is greater than itself. Its abundance is 1148521696

Bases of 3129720832

• Binary: 10111010100010111100000000000000₂
• Hexadecimal: 0xBA8BC000
• Base-36: 1FRCS1S

Squares and roots of 3129720832

• 3129720832 squared (3129720832²) is 9795152486254772224
• 3129720832 cubed (3129720832³) is 30656092788848154288867770368
• The square root of 3129720832 is 55943.9079078321
• The cube root of 3129720832 is 1462.7447011787

Scales and comparisons

• 3,129,720,832 seconds is equal to 99 years, 26 weeks, 5 days, 14 hours, 53 minutes, 52 seconds.
• To count from 1 to 3,129,720,832 would take you about one hundred ninety-nine 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 3129720832 cubic inches would be around 121.9 feet tall.

Recreational maths with 3129720832

• 3129720832 backwards is 2380279213
• The number of decimal digits it has is: 10
• The sum of 3129720832's digits is 37
• More coming soon!