21437136240

Names of 21437136240

• Cardinal: 21437136240 can be written as Twenty-one billion, four hundred thirty-seven million, one hundred thirty-six thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.143713624 × 10¹⁰

Factors of 21437136240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 750

Divisors of 21437136240

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 39 40 48 52 60 65 78 80 104 120 130 156 169 195 208 240 260 312 338 390 507 520 624 676 727 780 845 1014 1040 1352 1454 1560 1690 2028 2181 2535 2704 2908 3120 3380 3635 4056 4362 5070 5816 6760 7270 8112 8724 9451 10140 10905 11632 13520 14540 17448 18902 20280 21810 28353 29080 34896 37804 40560 43620 47255 56706 58160 75608 87240 94510 113412 122863 141765 151216 174480 189020 226824 245726 283530 368589 378040 453648 491452 528529 567060 614315 737178 756080 982904 1057058 1134120 1228630 1474356 1585587 1842945 1965808 2114116 2268240 2457260 2642645 2948712 3171174 3685890 4228232 4914520 5285290 5897424 6342348 6870877 7371780 7927935 8456464 9829040 10570580 12684696 13741754 14743560 15855870 20612631 21141160 25369392 27483508 29487120 31711740 34354385 41225262 42282320 54967016 63423480 68708770 82450524 89321401 103063155 109934032 126846960 137417540 164901048 178642802 206126310 267964203 274835080 329802096 357285604 412252620 446607005 535928406 549670160 714571208 824505240 893214010 1071856812 1339821015 1429142416 1649010480 1786428020 2143713624 2679642030 3572856040 4287427248 5359284060 7145712080 10718568120 21437136240
• Sum of all divisors σ(n): 72059399064
• Sum of proper divisors (its aliquot sum) s(n): 50622262824
• 21437136240 is an abundant number, because the sum of its proper divisors (50622262824) is greater than itself. Its abundance is 29185126584

Bases of 21437136240

• Binary: 10011111101110000001011110101110000₂
• Hexadecimal: 0x4FDC0BD70
• Base-36: 9UJ486O

Squares and roots of 21437136240

• 21437136240 squared (21437136240²) is 459550810172321337600
• 21437136240 cubed (21437136240³) is 9851453326866430391190234624000
• The square root of 21437136240 is 146414.2624200251
• The cube root of 21437136240 is 2777.9361283927

Scales and comparisons

• 21,437,136,240 seconds is equal to 681 years, 33 weeks, 4 minutes.
• To count from 1 to 21,437,136,240 would take you about one thousand, three hundred sixty-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 21437136240 cubic inches would be around 231.5 feet tall.

Recreational maths with 21437136240

• 21437136240 backwards is 04263173412
• The number of decimal digits it has is: 11
• The sum of 21437136240's digits is 33
• More coming soon!