21121922070

Names of 21121922070

• Cardinal: 21121922070 can be written as Twenty-one billion, one hundred twenty-one million, nine hundred twenty-two thousand and seventy.

Scientific notation

• Scientific notation: 2.112192207 × 10¹⁰

Factors of 21121922070

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1620

Divisors of 21121922070

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 43 45 54 81 86 90 129 135 162 215 243 258 270 387 405 430 486 645 729 774 810 1161 1215 1290 1458 1567 1849 1935 2322 2430 3134 3483 3645 3698 3870 4701 5547 5805 6966 7290 7835 9245 9402 10449 11094 11610 14103 15670 16641 17415 18490 20898 23505 27735 28206 31347 33282 34830 42309 47010 49923 52245 55470 62694 67381 70515 83205 84618 99846 104490 126927 134762 141030 149769 156735 166410 202143 211545 249615 253854 299538 313470 336905 380781 404286 423090 449307 499230 606429 634635 673810 748845 761562 898614 1010715 1142343 1212858 1269270 1347921 1497690 1819287 1903905 2021430 2246535 2284686 2695842 2897383 3032145 3638574 3807810 4493070 5457861 5711715 5794766 6064290 6739605 8692149 9096435 10915722 11423430 13479210 14486915 16373583 17384298 18192870 26076447 27289305 28973830 32747166 43460745 49120749 52152894 54578610 78229341 81867915 86921490 98241498 130382235 156458682 163735830 234688023 245603745 260764470 391146705 469376046 491207490 704064069 782293410 1173440115 1408128138 2112192207 2346880230 3520320345 4224384414 7040640690 10560961035 21121922070
• Sum of all divisors σ(n): 58396838976
• Sum of proper divisors (its aliquot sum) s(n): 37274916906
• 21121922070 is an abundant number, because the sum of its proper divisors (37274916906) is greater than itself. Its abundance is 16152994836

Bases of 21121922070

• Binary: 10011101010111101101111010000010110₂
• Hexadecimal: 0x4EAF6F416
• Base-36: 9PBG3DI

Squares and roots of 21121922070

• 21121922070 squared (21121922070²) is 446135591931153084900
• 21121922070 cubed (21121922070³) is 9423241205423136264497893743000
• The square root of 21121922070 is 145333.8297506811
• The cube root of 21121922070 is 2764.2531424733

Scales and comparisons

• 21,121,922,070 seconds is equal to 671 years, 31 weeks, 5 days, 16 hours, 34 minutes, 30 seconds.
• To count from 1 to 21,121,922,070 would take you about one thousand, three hundred forty-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 21121922070 cubic inches would be around 230.4 feet tall.

Recreational maths with 21121922070

• 21121922070 backwards is 07022912112
• 21121922070 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21121922070's digits is 27
• More coming soon!