813955078125

Names of 813955078125

• Cardinal: 813955078125 can be written as Eight hundred thirteen billion, nine hundred fifty-five million, seventy-eight thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 8.13955078125 × 10¹¹

Factors of 813955078125

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 15

Divisors of 813955078125

• Number of divisors d(n): 264
• Complete list of divisors:
  1 3 5 7 9 15 21 25 27 35 45 49 63 75 81 105 125 135 147 175 189 225 243 245 315 343 375 405 441 525 567 625 675 735 875 945 1029 1125 1215 1225 1323 1575 1701 1715 1875 2025 2205 2625 2835 3087 3125 3375 3675 3969 4375 4725 5145 5625 6075 6125 6615 7875 8505 8575 9261 9375 10125 11025 11907 13125 14175 15435 15625 16875 18375 19845 21875 23625 25725 27783 28125 30375 30625 33075 39375 42525 42875 46305 46875 50625 55125 59535 65625 70875 77175 78125 83349 84375 91875 99225 109375 118125 128625 138915 140625 151875 153125 165375 196875 212625 214375 231525 234375 253125 275625 297675 328125 354375 385875 390625 416745 421875 459375 496125 546875 590625 643125 694575 703125 759375 765625 826875 984375 1063125 1071875 1157625 1171875 1265625 1378125 1488375 1640625 1771875 1929375 1953125 2083725 2109375 2296875 2480625 2734375 2953125 3215625 3472875 3515625 3796875 3828125 4134375 4921875 5315625 5359375 5788125 5859375 6328125 6890625 7441875 8203125 8859375 9646875 9765625 10418625 10546875 11484375 12403125 13671875 14765625 16078125 17364375 17578125 18984375 19140625 20671875 24609375 26578125 26796875 28940625 29296875 31640625 34453125 37209375 41015625 44296875 48234375 52093125 52734375 57421875 62015625 68359375 73828125 80390625 86821875 87890625 94921875 95703125 103359375 123046875 132890625 133984375 144703125 158203125 172265625 186046875 205078125 221484375 241171875 260465625 263671875 287109375 310078125 369140625 401953125 434109375 474609375 478515625 516796875 615234375 664453125 669921875 723515625 791015625 861328125 930234375 1107421875 1205859375 1302328125 1435546875 1550390625 1845703125 2009765625 2170546875 2373046875 2583984375 3322265625 3349609375 3617578125 4306640625 4651171875 5537109375 6029296875 6511640625 7751953125 10048828125 10852734375 12919921875 16611328125 18087890625 23255859375 30146484375 32558203125 38759765625 54263671875 90439453125 116279296875 162791015625 271318359375 813955078125
• Sum of all divisors σ(n): 1777343713600
• Sum of proper divisors (its aliquot sum) s(n): 963388635475
• 813955078125 is an abundant number, because the sum of its proper divisors (963388635475) is greater than itself. Its abundance is 149433557350

Bases of 813955078125

• Binary: 1011110110000011100000001101011111101101₂
• Hexadecimal: 0xBD8380D7ED
• Base-36: ADXBU5T9

Squares and roots of 813955078125

• 813955078125 squared (813955078125²) is 662522869205474853515625
• 813955078125 cubed (813955078125³) is 539263853763741441071033477783203125
• The square root of 813955078125 is 902194.5899444311
• The cube root of 813955078125 is 9336.8449242865

Scales and comparisons

• 813,955,078,125 seconds is equal to 25,881 years, 13 weeks, 1 day, 8 hours, 48 minutes, 45 seconds.
• To count from 1 to 813,955,078,125 would take you about fifty-one thousand, seven hundred sixty-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 813955078125 cubic inches would be around 778.1 feet tall.

Recreational maths with 813955078125

• 813955078125 backwards is 521870559318
• The number of decimal digits it has is: 12
• The sum of 813955078125's digits is 54
• More coming soon!