21493082960646

Names of 21493082960646

• Cardinal: 21493082960646 can be written as Twenty-one trillion, four hundred ninety-three billion, eighty-two million, nine hundred sixty thousand, six hundred forty-six.

Scientific notation

• Scientific notation: 2.1493082960646 × 10¹³

Factors of 21493082960646

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 77777261

Divisors of 21493082960646

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 11 22 33 53 66 79 106 158 159 237 318 474 583 869 1166 1738 1749 2607 3498 4187 5214 8374 12561 25122 46057 92114 138171 276342 77777113 155554226 233331339 466662678 855548243 1711096486 2566644729 4122186989 5133289458 6144391927 8244373978 12288783854 12366560967 18433175781 24733121934 36866351562 45344056879 67588311197 90688113758 135176622394 136032170637 202764933591 272064341274 325652772131 405529867182 651305544262 976958316393 1953916632786 3582180493441 7164360986882 10746541480323 21493082960646
• Sum of all divisors σ(n): 48383587077120
• Sum of proper divisors (its aliquot sum) s(n): 26890504116474
• 21493082960646 is an abundant number, because the sum of its proper divisors (26890504116474) is greater than itself. Its abundance is 5397421155828

Bases of 21493082960646

• Binary: 100111000110000111111100100110011001100000110₂
• Hexadecimal: 0x138C3F933306
• Base-36: 7M9SANR46

Squares and roots of 21493082960646

• 21493082960646 squared (21493082960646²) is 461952615153211424784737316
• 21493082960646 cubed (21493082960646³) is 9928785881375347652707133855006675666136
• The square root of 21493082960646 is 4636063.3042103729
• The cube root of 21493082960646 is 27803.5065193069

Scales and comparisons

• 21,493,082,960,646 seconds is equal to 683,413 years, 28 weeks, 6 days, 6 hours, 24 minutes, 6 seconds.
• To count from 1 to 21,493,082,960,646 would take you about one million, seven hundred eight thousand, five hundred thirty-three 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 21493082960646 cubic inches would be around 2317 feet tall.

Recreational maths with 21493082960646

• 21493082960646 backwards is 64606928039412
• The number of decimal digits it has is: 14
• The sum of 21493082960646's digits is 60
• More coming soon!