21242294268440

Names of 21242294268440

• Cardinal: 21242294268440 can be written as Twenty-one trillion, two hundred forty-two billion, two hundred ninety-four million, two hundred sixty-eight thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.124229426844 × 10¹³

Factors of 21242294268440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3132

Divisors of 21242294268440

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 49 56 70 98 140 196 245 280 343 392 490 686 821 980 1372 1642 1715 1960 2297 2744 3284 3430 4105 4594 5747 6568 6860 8210 9188 11485 11494 13720 16079 16420 18376 22970 22988 28735 32158 32840 40229 45940 45976 57470 64316 80395 80458 91880 112553 114940 128632 160790 160916 201145 225106 229880 281603 321580 321832 402290 450212 562765 563206 643160 674041 787871 804580 900424 1125530 1126412 1348082 1408015 1575742 1609160 1885837 2251060 2252824 2696164 2816030 3151484 3370205 3771674 3939355 4502120 4718287 5392328 5632060 6302968 6740410 7543348 7878710 9429185 9436574 11264120 13200859 13480820 15086696 15757420 18858370 18873148 23591435 26401718 26961640 31514840 33028009 37716740 37746296 47182870 52803436 66004295 66056018 75433480 92406013 94365740 105606872 132008590 132112036 165140045 184812026 188731480 231196063 264017180 264224072 330280090 369624052 462030065 462392126 528034360 646842091 660560180 739248104 924060130 924784252 1155980315 1293684182 1321120360 1548272177 1848120260 1849568504 2311960630 2587368364 3096544354 3234210455 3696240520 4623921260 5174736728 6193088708 6468420910 7741360885 9247842520 10837905239 12386177416 12936841820 15482721770 21675810478 25873683640 30965443540 43351620956 54189526195 61930887080 75865336673 86703241912 108379052390 151730673346 216758104780 303461346692 379326683365 433516209560 531057356711 606922693384 758653366730 1062114713422 1517306733460 2124229426844 2655286783555 3034613466920 4248458853688 5310573567110 10621147134220 21242294268440
• Sum of all divisors σ(n): 55830066264000
• Sum of proper divisors (its aliquot sum) s(n): 34587771995560
• 21242294268440 is an abundant number, because the sum of its proper divisors (34587771995560) is greater than itself. Its abundance is 13345477727120

Bases of 21242294268440

• Binary: 100110101000111011011011001110111001000011000₂
• Hexadecimal: 0x1351DB677218
• Base-36: 7J2KPJPQW

Squares and roots of 21242294268440

• 21242294268440 squared (21242294268440²) is 451235065786998874780033600
• 21242294268440 cubed (21242294268440³) is 9585268051686312535608637007030619584000
• The square root of 21242294268440 is 4608936.3489247713
• The cube root of 21242294268440 is 27694.9428696333

Scales and comparisons

• 21,242,294,268,440 seconds is equal to 675,439 years, 13 weeks, 8 hours, 47 minutes, 20 seconds.
• To count from 1 to 21,242,294,268,440 would take you about one million, six hundred eighty-eight thousand, five hundred ninety-eight 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 21242294268440 cubic inches would be around 2307.9 feet tall.

Recreational maths with 21242294268440

• 21242294268440 backwards is 04486249224212
• The number of decimal digits it has is: 14
• The sum of 21242294268440's digits is 50
• More coming soon!