78434905472

Names of 78434905472

• Cardinal: 78434905472 can be written as Seventy-eight billion, four hundred thirty-four million, nine hundred five thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 7.8434905472 × 10¹⁰

Factors of 78434905472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 169388

Divisors of 78434905472

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 32 44 47 56 64 77 88 94 112 128 154 176 188 224 308 329 352 376 448 517 616 658 704 752 896 1034 1232 1316 1408 1504 2068 2464 2632 3008 3619 4136 4928 5264 6016 7238 8272 9856 10528 14476 16544 21056 28952 33088 42112 57904 66176 115808 169321 231616 338642 463232 677284 1185247 1354568 1862531 2370494 2709136 3725062 4740988 5418272 7450124 7958087 9481976 10836544 13037717 14900248 15916174 18963952 21673088 26075434 29800496 31832348 37927904 52150868 55706609 59600992 63664696 75855808 87538957 104301736 111413218 119201984 127329392 151711616 175077914 208603472 222826436 238403968 254658784 350155828 417206944 445652872 509317568 612772699 700311656 834413888 891305744 1018635136 1225545398 1400623312 1668827776 1782611488 2451090796 2801246624 3565222976 4902181592 5602493248 7130445952 9804363184 11204986496 19608726368 39217452736 78434905472
• Sum of all divisors σ(n): 198960122880
• Sum of proper divisors (its aliquot sum) s(n): 120525217408
• 78434905472 is an abundant number, because the sum of its proper divisors (120525217408) is greater than itself. Its abundance is 42090311936

Bases of 78434905472

• Binary: 1001001000011000101011010110110000000₂
• Hexadecimal: 0x124315AD80
• Base-36: 101648E8

Squares and roots of 78434905472

• 78434905472 squared (78434905472²) is 6152034396401575542784
• 78434905472 cubed (78434905472³) is 482534236342250154650130131714048
• The square root of 78434905472 is 280062.3242637253
• The cube root of 78434905472 is 4280.5850051961

Scales and comparisons

• 78,434,905,472 seconds is equal to 2,493 years, 51 weeks, 2 days, 9 hours, 44 minutes, 32 seconds.
• To count from 1 to 78,434,905,472 would take you about four thousand, nine hundred eighty-seven 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 78434905472 cubic inches would be around 356.7 feet tall.

Recreational maths with 78434905472

• 78434905472 backwards is 27450943487
• The number of decimal digits it has is: 11
• The sum of 78434905472's digits is 53
• More coming soon!