72215225394

Names of 72215225394

• Cardinal: 72215225394 can be written as Seventy-two billion, two hundred fifteen million, two hundred twenty-five thousand, three hundred ninety-four.

Scientific notation

• Scientific notation: 7.2215225394 × 10¹⁰

Factors of 72215225394

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 552

Divisors of 72215225394

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 13 26 29 39 58 61 78 87 122 127 169 174 183 254 317 338 366 377 381 507 634 754 762 793 951 1014 1131 1586 1651 1769 1902 2262 2379 3302 3538 3683 4121 4758 4901 4953 5307 7366 7747 8242 9193 9802 9906 10309 10614 11049 12363 14703 15494 18386 19337 20618 21463 22098 22997 23241 24726 27579 29406 30927 38674 40259 42926 45994 46482 47879 53573 55158 58011 61854 64389 68991 80518 95758 100711 107146 116022 119509 120777 128778 137982 143637 160719 201422 224663 239018 241554 251381 287274 298961 302133 321438 358527 449326 502762 523367 560773 597922 604266 622427 673989 717054 754143 896883 1046734 1121546 1167511 1244854 1309243 1347978 1508286 1553617 1570101 1682319 1793766 1867281 2335022 2455799 2618486 2920619 3107234 3140202 3267953 3364638 3502533 3734562 3927729 4660851 4911598 5841238 6535906 6803771 7005066 7290049 7367397 7855458 8761857 9321702 9803859 13607542 14580098 14734794 15177643 17523714 19607718 20411313 21870147 30355286 31925387 37968047 40822626 43740294 45532929 63850774 71218171 75936094 91065858 94770637 95776161 113904141 142436342 189541274 191552322 197309359 213654513 227808282 284311911 394618718 415030031 427309026 568623822 591928077 830060062 925836223 1183856154 1245090093 1851672446 2490180186 2777508669 5555017338 12035870899 24071741798 36107612697 72215225394
• Sum of all divisors σ(n): 166257930240
• Sum of proper divisors (its aliquot sum) s(n): 94042704846
• 72215225394 is an abundant number, because the sum of its proper divisors (94042704846) is greater than itself. Its abundance is 21827479452

Bases of 72215225394

• Binary: 1000011010000010111001110010000110010₂
• Hexadecimal: 0x10D05CE432
• Base-36: X6B2WJ6

Squares and roots of 72215225394

• 72215225394 squared (72215225394²) is 5215038778706222455236
• 72215225394 cubed (72215225394³) is 376605200842720342315171815462984
• The square root of 72215225394 is 268728.9068820099
• The cube root of 72215225394 is 4164.3087712733

Scales and comparisons

• 72,215,225,394 seconds is equal to 2,296 years, 11 weeks, 3 days, 8 hours, 49 minutes, 54 seconds.
• To count from 1 to 72,215,225,394 would take you about four thousand, five hundred ninety-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 72215225394 cubic inches would be around 347 feet tall.

Recreational maths with 72215225394

• 72215225394 backwards is 49352251227
• The number of decimal digits it has is: 11
• The sum of 72215225394's digits is 42
• More coming soon!