71992664720

Names of 71992664720

• Cardinal: 71992664720 can be written as Seventy-one billion, nine hundred ninety-two million, six hundred sixty-four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 7.199266472 × 10¹⁰

Factors of 71992664720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 43914

Divisors of 71992664720

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 16 20 29 40 58 80 116 145 232 290 464 580 719 1160 1438 2320 2876 3595 5752 7190 11504 14380 20851 28760 41702 43159 57520 83404 86318 104255 166808 172636 208510 215795 333616 345272 417020 431590 690544 834040 863180 1251611 1668080 1726360 2503222 3452720 5006444 6258055 10012888 12516110 20025776 25032220 31031321 50064440 62062642 100128880 124125284 155156605 248250568 310313210 496501136 620626420 899908309 1241252840 1799816618 2482505680 3599633236 4499541545 7199266472 8999083090 14398532944 17998166180 35996332360 71992664720
• Sum of all divisors σ(n): 173399616000
• Sum of proper divisors (its aliquot sum) s(n): 101406951280
• 71992664720 is an abundant number, because the sum of its proper divisors (101406951280) is greater than itself. Its abundance is 29414286560

Bases of 71992664720

• Binary: 1000011000011000110001110001010010000₂
• Hexadecimal: 0x10C318E290
• Base-36: X2MKNM8

Squares and roots of 71992664720

• 71992664720 squared (71992664720²) is 5182943773486332678400
• 71992664720 cubed (71992664720³) is 373133933347213174018430786048000
• The square root of 71992664720 is 268314.4884645627
• The cube root of 71992664720 is 4160.0263635535

Scales and comparisons

• 71,992,664,720 seconds is equal to 2,289 years, 7 weeks, 3 days, 10 hours, 25 minutes, 20 seconds.
• To count from 1 to 71,992,664,720 would take you about four thousand, five hundred seventy-eight 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 71992664720 cubic inches would be around 346.7 feet tall.

Recreational maths with 71992664720

• 71992664720 backwards is 02746629917
• The number of decimal digits it has is: 11
• The sum of 71992664720's digits is 53
• More coming soon!