813015397272

Names of 813015397272

• Cardinal: 813015397272 can be written as Eight hundred thirteen billion, fifteen million, three hundred ninety-seven thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 8.13015397272 × 10¹¹

Factors of 813015397272

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 114108

Divisors of 813015397272

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 31583 63166 82507 94749 126332 165014 189498 247521 252664 330028 378996 410579 495042 660056 757992 821158 990084 1072591 1231737 1642316 1980168 2145182 2463474 3217773 3284632 4290364 4926948 6435546 8580728 9853896 12871092 25742184 2605818581 5211637162 7817455743 10423274324 15634911486 20846548648 31269822972 33875641553 62539645944 67751283106 101626924659 135502566212 203253849318 271005132424 406507698636 813015397272
• Sum of all divisors σ(n): 2188983444480
• Sum of proper divisors (its aliquot sum) s(n): 1375968047208
• 813015397272 is an abundant number, because the sum of its proper divisors (1375968047208) is greater than itself. Its abundance is 562952649936

Bases of 813015397272

• Binary: 1011110101001011011111100111001110011000₂
• Hexadecimal: 0xBD4B7E7398
• Base-36: ADHSDJFC

Squares and roots of 813015397272

• 813015397272 squared (813015397272²) is 660994036201347985041984
• 813015397272 cubed (813015397272³) is 537398328936661681840825335359067648
• The square root of 813015397272 is 901673.6645106143
• The cube root of 813015397272 is 9333.2505273753

Scales and comparisons

• 813,015,397,272 seconds is equal to 25,851 years, 19 weeks, 3 days, 10 hours, 21 minutes, 12 seconds.
• To count from 1 to 813,015,397,272 would take you about fifty-one thousand, seven hundred 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 813015397272 cubic inches would be around 777.8 feet tall.

Recreational maths with 813015397272

• 813015397272 backwards is 272793510318
• The number of decimal digits it has is: 12
• The sum of 813015397272's digits is 48
• More coming soon!