72991776768

Names of 72991776768

• Cardinal: 72991776768 can be written as Seventy-two billion, nine hundred ninety-one million, seven hundred seventy-six thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 7.2991776768 × 10¹⁰

Factors of 72991776768

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 626

Divisors of 72991776768

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 67 96 97 128 134 192 194 201 256 268 291 384 388 402 457 512 536 582 768 776 804 914 1024 1072 1164 1371 1536 1552 1608 1828 2048 2144 2328 2742 3072 3104 3216 3656 4096 4288 4656 5484 6144 6208 6432 6499 7312 8192 8576 9312 10968 12288 12416 12864 12998 14624 17152 18624 19497 21936 24576 24832 25728 25996 29248 30619 34304 37248 38994 43872 44329 49664 51456 51992 58496 61238 68608 74496 77988 87744 88658 91857 99328 102912 103984 116992 122476 132987 137216 148992 155976 175488 177316 183714 198656 205824 207968 233984 244952 265974 274432 297984 311952 350976 354632 367428 397312 411648 415936 467968 489904 531948 548864 595968 623904 701952 709264 734856 794624 823296 831872 935936 979808 1063896 1191936 1247808 1403904 1418528 1469712 1646592 1663744 1871872 1959616 2127792 2383872 2495616 2807808 2837056 2939424 2970043 3327488 3743744 3919232 4255584 4991232 5615616 5674112 5878848 5940086 6654976 7838464 8511168 8910129 9982464 11231232 11348224 11757696 11880172 13309952 15676928 17022336 17820258 19964928 22696448 23515392 23760344 26619904 31353856 34044672 35640516 39929856 45392896 47030784 47520688 53239808 62707712 68089344 71281032 79859712 90785792 94061568 95041376 125415424 136178688 142562064 159719424 181571584 188123136 190082752 250830848 272357376 285124128 363143168 376246272 380165504 544714752 570248256 752492544 760331008 1089429504 1140496512 1520662016 2280993024 3041324032 4561986048 6082648064 9123972096 12165296128 18247944192 24330592256 36495888384 72991776768
• Sum of all divisors σ(n): 200011003584
• Sum of proper divisors (its aliquot sum) s(n): 127019226816
• 72991776768 is an abundant number, because the sum of its proper divisors (127019226816) is greater than itself. Its abundance is 54027450048

Bases of 72991776768

• Binary: 1000011111110101001100010000000000000₂
• Hexadecimal: 0x10FEA62000
• Base-36: XJ5F3EO

Squares and roots of 72991776768

• 72991776768 squared (72991776768²) is 5327799475749544525824
• 72991776768 cubed (72991776768³) is 388885549998578183506621819256832
• The square root of 72991776768 is 270169.9035199887
• The cube root of 72991776768 is 4179.1822604617

Scales and comparisons

• 72,991,776,768 seconds is equal to 2,320 years, 47 weeks, 3 days, 5 hours, 32 minutes, 48 seconds.
• To count from 1 to 72,991,776,768 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 72991776768 cubic inches would be around 348.3 feet tall.

Recreational maths with 72991776768

• 72991776768 backwards is 86767719927
• The number of decimal digits it has is: 11
• The sum of 72991776768's digits is 69
• More coming soon!