21322155878464

Names of 21322155878464

• Cardinal: 21322155878464 can be written as Twenty-one trillion, three hundred twenty-two billion, one hundred fifty-five million, eight hundred seventy-eight thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 2.1322155878464 × 10¹³

Factors of 21322155878464

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 82466

Divisors of 21322155878464

• Number of divisors d(n): 63
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 64 98 112 196 224 392 448 784 1568 3136 82457 164914 329828 577199 659656 1154398 1319312 2308796 2638624 4040393 4617592 5277248 8080786 9235184 16161572 18470368 32323144 36940736 64646288 129292576 258585152 6799156849 13598313698 27196627396 47594097943 54393254792 95188195886 108786509584 190376391772 217573019168 333158685601 380752783544 435146038336 666317371202 761505567088 1332634742404 1523011134176 2665269484808 3046022268352 5330538969616 10661077939232 21322155878464
• Sum of all divisors σ(n): 49219693343373
• Sum of proper divisors (its aliquot sum) s(n): 27897537464909
• 21322155878464 is an abundant number, because the sum of its proper divisors (27897537464909) is greater than itself. Its abundance is 6575381586445

Bases of 21322155878464

• Binary: 100110110010001110011100001101110100001000000₂
• Hexadecimal: 0x13647386E840
• Base-36: 7K39H36F4

Squares and roots of 21322155878464

• 21322155878464 squared (21322155878464²) is 454634331305516911538999296
• 21322155878464 cubed (21322155878464³) is 9693784079797477158925439712398357561344
• 21322155878464 is a perfect square number. Its square root is 4617592
• The cube root of 21322155878464 is 27729.6063688575

Scales and comparisons

• 21,322,155,878,464 seconds is equal to 677,978 years, 31 weeks, 2 days, 13 hours, 21 minutes, 4 seconds.
• To count from 1 to 21,322,155,878,464 would take you about one million, six hundred ninety-four thousand, nine hundred forty-six 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 21322155878464 cubic inches would be around 2310.8 feet tall.

Recreational maths with 21322155878464

• 21322155878464 backwards is 46487855122312
• The number of decimal digits it has is: 14
• The sum of 21322155878464's digits is 58
• More coming soon!