72940990815
72,940,990,815 is an odd composite number composed of seven prime numbers multiplied together.
72940990815 is an odd composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 72940990815:
32 × 5 × 7 × 11 × 73 × 457 × 631
(3 × 3 × 5 × 7 × 11 × 73 × 457 × 631)See below for interesting mathematical facts about the number 72940990815 from the Numbermatics database.
Names of 72940990815
- Cardinal: 72940990815 can be written as Seventy-two billion, nine hundred forty million, nine hundred ninety thousand, eight hundred fifteen.
Scientific notation
- Scientific notation: 7.2940990815 × 1010
Factors of 72940990815
Divisors of 72940990815
- Number of divisors d(n): 192
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Complete list of divisors:
1 3 5 7 9 11 15 21 33 35 45 55 63 73 77 99 105 165 219 231 315 365 385 457 495 511 631 657 693 803 1095 1155 1371 1533 1893 2285 2409 2555 3155 3199 3285 3465 4015 4113 4417 4599 5027 5621 5679 6855 6941 7227 7665 9465 9597 12045 13251 15081 15995 16863 20565 20823 22085 22995 25135 28105 28395 28791 33361 34705 35189 36135 39753 45243 46063 47985 48587 50589 62469 66255 75405 84315 100083 104115 105567 138189 143955 145761 166805 175945 198765 226215 230315 233527 242935 252945 288367 300249 312345 316701 322441 366971 414567 437283 500415 506693 527835 690945 700581 728805 865101 967323 1100913 1167635 1441835 1501245 1520079 1583505 1612205 1834855 2018569 2072835 2101743 2186415 2533465 2568797 2595303 2901969 3172037 3302739 3502905 3546851 4325505 4560237 4836615 5504565 6055707 7600395 7706391 9516111 10092845 10508715 10640553 12843985 12976515 14509845 15860185 16513695 17734255 18167121 21050791 22204259 22801185 23119173 28548333 30278535 31921659 38531955 47580555 53202765 63152373 66612777 90835605 105253955 111021295 115595865 142741665 147355537 159608295 189457119 199838331 231558701 315761865 333063885 442066611 694676103 736777685 947285595 999191655 1157793505 1326199833 1620910907 2084028309 2210333055 3473380515 4862732721 6630999165 8104554535 10420141545 14588198163 24313663605 72940990815
- Sum of all divisors σ(n): 160391043072
- Sum of proper divisors (its aliquot sum) s(n): 87450052257
- 72940990815 is an abundant number, because the sum of its proper divisors (87450052257) is greater than itself. Its abundance is 14509061442
Bases of 72940990815
- Binary: 10000111110111001111100110001010111112
- Hexadecimal: 0x10FB9F315F
- Base-36: XIB6KPR
Squares and roots of 72940990815
- 72940990815 squared (729409908152) is 5320388141073914364225
- 72940990815 cubed (729409908153) is 388074382530307311877032289593375
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The
square root of 72940990815 is 270075.8982489923 -
The
cube root of 72940990815 is 4178.2127768339
Scales and comparisons
How big is 72940990815?- 72,940,990,815 seconds is equal to 2,319 years, 15 weeks, 3 days, 10 hours, 20 minutes, 15 seconds.
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To count from 1 to 72,940,990,815 would take you about four thousand, six hundred thirty-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 72940990815 cubic inches would be around 348.2 feet tall.
Recreational maths with 72940990815
- 72940990815 backwards is 51809904927
- The number of decimal digits it has is: 11
- The sum of 72940990815's digits is 54
- More coming soon!
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