72990291024

Names of 72990291024

• Cardinal: 72990291024 can be written as Seventy-two billion, nine hundred ninety million, two hundred ninety-one thousand and twenty-four.

Scientific notation

• Scientific notation: 7.2990291024 × 10¹⁰

Factors of 72990291024

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 127721

Divisors of 72990291024

• Number of divisors d(n): 210
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 49 54 56 63 72 81 84 98 108 112 126 144 147 162 168 189 196 216 243 252 294 324 336 378 392 432 441 486 504 567 588 648 729 756 784 882 972 1008 1134 1176 1296 1323 1458 1512 1701 1764 1944 2268 2352 2646 2916 3024 3402 3528 3888 3969 4536 5103 5292 5832 6804 7056 7938 9072 10206 10584 11664 11907 13608 15876 20412 21168 23814 27216 31752 35721 40824 47628 63504 71442 81648 95256 127709 142884 190512 255418 285768 383127 510836 571536 766254 893963 1021672 1149381 1532508 1787926 2043344 2298762 2681889 3065016 3448143 3575852 4597524 5363778 6130032 6257741 6896286 7151704 8045667 9195048 10344429 10727556 12515482 13792572 14303408 16091334 18390096 18773223 20688858 21455112 24137001 25030964 27585144 31033287 32182668 37546446 41377716 42910224 48274002 50061928 55170288 56319669 62066574 64365336 72411003 75092892 82755432 93099861 96548004 100123856 112639338 124133148 128730672 144822006 150185784 165510864 168959007 186199722 193096008 217233009 225278676 248266296 289644012 300371568 337918014 372399444 386192016 434466018 450557352 496532592 506877021 579288024 651699027 675836028 744798888 868932036 901114704 1013754042 1158576048 1303398054 1351672056 1489597776 1520631063 1737864072 2027508084 2606796108 2703344112 3041262126 3475728144 4055016168 4561893189 5213592216 6082524252 8110032336 9123786378 10427184432 12165048504 18247572756 24330097008 36495145512 72990291024
• Sum of all divisors σ(n): 246650282010
• Sum of proper divisors (its aliquot sum) s(n): 173659990986
• 72990291024 is an abundant number, because the sum of its proper divisors (173659990986) is greater than itself. Its abundance is 100669699962

Bases of 72990291024

• Binary: 1000011111110100011110111010001010000₂
• Hexadecimal: 0x10FE8F7450
• Base-36: XJ4J900

Squares and roots of 72990291024

• 72990291024 squared (72990291024²) is 5327582583768214968576
• 72990291024 cubed (72990291024³) is 388861803243635869117355254861824
• The square root of 72990291024 is 270167.1538584955
• The cube root of 72990291024 is 4179.1539045867

Scales and comparisons

• 72,990,291,024 seconds is equal to 2,320 years, 45 weeks, 50 minutes, 24 seconds.
• To count from 1 to 72,990,291,024 would take you about four thousand, six hundred forty-one 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 72990291024 cubic inches would be around 348.3 feet tall.

Recreational maths with 72990291024

• 72990291024 backwards is 42019209927
• The number of decimal digits it has is: 11
• The sum of 72990291024's digits is 45
• More coming soon!