72815012816

Names of 72815012816

• Cardinal: 72815012816 can be written as Seventy-two billion, eight hundred fifteen million, twelve thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 7.2815012816 × 10¹⁰

Factors of 72815012816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 142

Divisors of 72815012816

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 7 8 13 14 16 17 26 28 34 52 56 68 91 103 104 112 119 136 169 182 206 208 221 238 272 338 364 412 442 476 676 721 728 824 884 952 1183 1339 1352 1442 1456 1547 1648 1751 1768 1904 2197 2366 2678 2704 2873 2884 3094 3502 3536 4394 4732 5356 5746 5768 6188 7004 8788 9373 9464 10712 11492 11536 12257 12376 14008 15379 17407 17576 18746 18928 20111 21424 22763 22984 24514 24752 28016 28561 30758 34814 35152 37349 37492 40222 45526 45968 49028 57122 61516 69628 74698 74984 80444 91052 98056 114244 121849 123032 139256 149396 149968 159341 160888 182104 196112 199927 226291 228488 243698 246064 261443 278512 295919 298792 318682 321776 364208 371293 399854 452582 456976 485537 487396 522886 591838 597584 637364 742586 799708 905164 971074 974792 1045772 1183676 1274728 1485172 1584037 1599416 1810328 1942148 1949584 2071433 2091544 2367352 2549456 2599051 2941783 2970344 3168074 3198832 3398759 3620656 3846947 3884296 4142866 4183088 4734704 5198102 5883566 5940688 6311981 6336148 6797518 7693894 7768592 8285732 10396204 11767132 12623962 12672296 13595036 15387788 16571464 20592481 20792408 23534264 25247924 25344592 26928629 27190072 30775576 33142928 38243179 41184962 41584816 44183867 47068528 50010311 50495848 53857258 54380144 61551152 76486358 82369924 88367734 100020622 100991696 107714516 152972716 164739848 176735468 200041244 215429032 267702253 305945432 329479696 350072177 353470936 400082488 430858064 535404506 611890864 650134043 700144354 706941872 800164976 1070809012 1300268086 1400288708 2141618024 2600536172 2800577416 4283236048 4550938301 5201072344 5601154832 9101876602 10402144688 18203753204 36407506408 72815012816
• Sum of all divisors σ(n): 186739547904
• Sum of proper divisors (its aliquot sum) s(n): 113924535088
• 72815012816 is an abundant number, because the sum of its proper divisors (113924535088) is greater than itself. Its abundance is 41109522272

Bases of 72815012816

• Binary: 1000011110100000111001110101111010000₂
• Hexadecimal: 0x10F41CEBD0
• Base-36: XG86FGW

Squares and roots of 72815012816

• 72815012816 squared (72815012816²) is 5302026091394244249856
• 72815012816 cubed (72815012816³) is 386067097795638282361898946154496
• The square root of 72815012816 is 269842.5704295007
• The cube root of 72815012816 is 4175.8059627721

Scales and comparisons

• 72,815,012,816 seconds is equal to 2,315 years, 15 weeks, 1 day, 8 hours, 26 minutes, 56 seconds.
• To count from 1 to 72,815,012,816 would take you about four thousand, six hundred thirty 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 72815012816 cubic inches would be around 348 feet tall.

Recreational maths with 72815012816

• 72815012816 backwards is 61821051827
• The number of decimal digits it has is: 11
• The sum of 72815012816's digits is 41
• More coming soon!