20474638464

Names of 20474638464

• Cardinal: 20474638464 can be written as Twenty billion, four hundred seventy-four million, six hundred thirty-eight thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 2.0474638464 × 10¹⁰

Factors of 20474638464

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 262698

Divisors of 20474638464

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 29 32 42 48 56 58 64 84 87 96 112 116 128 168 174 192 203 224 232 336 348 384 406 448 464 609 672 696 812 896 928 1218 1344 1392 1624 1856 2436 2688 2784 3248 3712 4872 5568 6496 9744 11136 12992 19488 25984 38976 77952 262657 525314 787971 1050628 1575942 1838599 2101256 3151884 3677198 4202512 5515797 6303768 7354396 7617053 8405024 11031594 12607536 14708792 15234106 16810048 22063188 22851159 25215072 29417584 30468212 33620096 44126376 45702318 50430144 53319371 58835168 60936424 88252752 91404636 100860288 106638742 117670336 121872848 159958113 176505504 182809272 213277484 235340672 243745696 319916226 353011008 365618544 426554968 487491392 639832452 706022016 731237088 853109936 974982784 1279664904 1462474176 1706219872 2559329808 2924948352 3412439744 5118659616 6824879488 10237319232 20474638464
• Sum of all divisors σ(n): 64298678400
• Sum of proper divisors (its aliquot sum) s(n): 43824039936
• 20474638464 is an abundant number, because the sum of its proper divisors (43824039936) is greater than itself. Its abundance is 23349401472

Bases of 20474638464

• Binary: 10011000100011000100011000010000000₂
• Hexadecimal: 0x4C4623080
• Base-36: 9EM2K5C

Squares and roots of 20474638464

• 20474638464 squared (20474638464²) is 419210820231508279296
• 20474638464 cubed (20474638464³) is 8583189984437028800008336441344
• The square root of 20474638464 is 143089.6168979425
• The cube root of 20474638464 is 2735.7227413035

Scales and comparisons

• 20,474,638,464 seconds is equal to 651 years, 1 week, 3 days, 23 hours, 34 minutes, 24 seconds.
• To count from 1 to 20,474,638,464 would take you about one thousand, three 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 20474638464 cubic inches would be around 228 feet tall.

Recreational maths with 20474638464

• 20474638464 backwards is 46483647402
• 20474638464 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20474638464's digits is 48
• More coming soon!