20397031620

Names of 20397031620

• Cardinal: 20397031620 can be written as Twenty billion, three hundred ninety-seven million, thirty-one thousand, six hundred twenty.

Scientific notation

• Scientific notation: 2.039703162 × 10¹⁰

Factors of 20397031620

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2556055

Divisors of 20397031620

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 19 20 21 28 30 35 38 42 57 60 70 76 84 95 105 114 133 140 190 210 228 266 285 380 399 420 532 570 665 798 1140 1330 1596 1995 2660 3990 7980 2556019 5112038 7668057 10224076 12780095 15336114 17892133 25560190 30672228 35784266 38340285 48564361 51120380 53676399 71568532 76680570 89460665 97128722 107352798 145693083 153361140 178921330 194257444 214705596 242821805 268381995 291386166 339950527 357842660 485643610 536763990 582772332 679901054 728465415 971287220 1019851581 1073527980 1359802108 1456930830 1699752635 2039703162 2913861660 3399505270 4079406324 5099257905 6799010540 10198515810 20397031620
• Sum of all divisors σ(n): 68705817600
• Sum of proper divisors (its aliquot sum) s(n): 48308785980
• 20397031620 is an abundant number, because the sum of its proper divisors (48308785980) is greater than itself. Its abundance is 27911754360

Bases of 20397031620

• Binary: 10010111111110000100000000011000100₂
• Hexadecimal: 0x4BFC200C4
• Base-36: 9DBV6BO

Squares and roots of 20397031620

• 20397031620 squared (20397031620²) is 416038898907279824400
• 20397031620 cubed (20397031620³) is 8485958576161770026474847528000
• The square root of 20397031620 is 142818.1767843295
• The cube root of 20397031620 is 2732.2618805001

Scales and comparisons

• 20,397,031,620 seconds is equal to 648 years, 29 weeks, 1 day, 18 hours, 7 minutes.
• To count from 1 to 20,397,031,620 would take you about one thousand, two hundred ninety-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 20397031620 cubic inches would be around 227.7 feet tall.

Recreational maths with 20397031620

• 20397031620 backwards is 02613079302
• The number of decimal digits it has is: 11
• The sum of 20397031620's digits is 33
• More coming soon!