21380823867117

Names of 21380823867117

• Cardinal: 21380823867117 can be written as Twenty-one trillion, three hundred eighty billion, eight hundred twenty-three million, eight hundred sixty-seven thousand, one hundred seventeen.

Scientific notation

• Scientific notation: 2.1380823867117 × 10¹³

Factors of 21380823867117

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 189

Divisors of 21380823867117

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 11 13 33 39 61 101 143 169 183 303 429 507 671 793 1111 1313 1859 2013 2379 3333 3721 3939 5577 6161 8723 10201 10309 11163 14443 17069 18483 26169 30603 30927 40931 43329 48373 51207 67771 80093 112211 113399 122793 132613 145119 187759 203313 240279 336633 340197 375821 397839 532103 563277 622261 628849 881023 1030301 1041209 1127463 1458743 1596309 1723969 1866783 1886547 2643069 3090903 3123627 4134031 4376229 4885673 5171907 6844871 6917339 8089393 11333311 11453299 12402093 13393913 14657019 18963659 20534613 20752017 24268179 33999933 34359897 37957921 40181739 53742403 56890977 62848361 63513749 88983323 105162109 113873763 147333043 161227209 174120869 188545083 190541247 266949969 315486327 417537131 441999129 493452973 522362607 691331971 698651239 817028693 1156783199 1252611393 1480358919 1915329559 2073995913 2095953717 2451086079 3470349597 3833750021 5427982703 5745988677 6414888649 8987315623 10621373009 11501250063 16283948109 19244665947 26961946869 31864119027 42171250231 49838750273 70563775139 116835103099 126513750693 149516250819 211691325417 350505309297 548226253003 647903753549 1644678759009 1943711260647 7126941289039 21380823867117
• Sum of all divisors σ(n): 34579137722688
• Sum of proper divisors (its aliquot sum) s(n): 13198313855571
• 21380823867117 is a deficient number, because the sum of its proper divisors (13198313855571) is less than itself. Its deficiency is 8182510011546

Bases of 21380823867117

• Binary: 100110111001000011100011010010101111011101101₂
• Hexadecimal: 0x13721C695EED
• Base-36: 7KU7QHS6L

Squares and roots of 21380823867117

• 21380823867117 squared (21380823867117²) is 457139629236679946473891689
• 21380823867117 cubed (21380823867117³) is 9774021895388622928029957470281586690613
• The square root of 21380823867117 is 4623940.2966644151
• The cube root of 21380823867117 is 27755.0157823039

Scales and comparisons

• 21,380,823,867,117 seconds is equal to 679,844 years, 3 weeks, 2 days, 4 hours, 51 minutes, 57 seconds.
• To count from 1 to 21,380,823,867,117 would take you about one million, six hundred ninety-nine thousand, six hundred ten 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 21380823867117 cubic inches would be around 2312.9 feet tall.

Recreational maths with 21380823867117

• 21380823867117 backwards is 71176832808312
• The number of decimal digits it has is: 14
• The sum of 21380823867117's digits is 57
• More coming soon!