813135794724

Names of 813135794724

• Cardinal: 813135794724 can be written as Eight hundred thirteen billion, one hundred thirty-five million, seven hundred ninety-four thousand, seven hundred twenty-four.

Scientific notation

• Scientific notation: 8.13135794724 × 10¹¹

Factors of 813135794724

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 9045940

Divisors of 813135794724

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 227 396 454 681 908 1362 2043 2497 2724 4086 4994 7491 8172 9988 14982 22473 29964 44946 89892 9045697 18091394 27137091 36182788 54274182 81411273 99502667 108548364 162822546 199005334 298508001 325645092 398010668 597016002 895524003 1194032004 1791048006 2053373219 3582096012 4106746438 6160119657 8213492876 12320239314 18480358971 22587105409 24640478628 36960717942 45174210818 67761316227 73921435884 90348421636 135522632454 203283948681 271045264908 406567897362 813135794724
• Sum of all divisors σ(n): 2252161705248
• Sum of proper divisors (its aliquot sum) s(n): 1439025910524
• 813135794724 is an abundant number, because the sum of its proper divisors (1439025910524) is greater than itself. Its abundance is 625890115800

Bases of 813135794724

• Binary: 1011110101010010101010111001001000100100₂
• Hexadecimal: 0xBD52AB9224
• Base-36: ADJS22P0

Squares and roots of 813135794724

• 813135794724 squared (813135794724²) is 661189820661431066236176
• 813135794724 cubed (813135794724³) is 537637110286951785379095655238735424
• The square root of 813135794724 is 901740.4253575415
• The cube root of 813135794724 is 9333.7112173459

Scales and comparisons

• 813,135,794,724 seconds is equal to 25,855 years, 10 weeks, 3 days, 22 hours, 5 minutes, 24 seconds.
• To count from 1 to 813,135,794,724 would take you about fifty-one thousand, seven hundred ten 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 813135794724 cubic inches would be around 777.8 feet tall.

Recreational maths with 813135794724

• 813135794724 backwards is 427497531318
• The number of decimal digits it has is: 12
• The sum of 813135794724's digits is 54
• More coming soon!