21443938992

Names of 21443938992

• Cardinal: 21443938992 can be written as Twenty-one billion, four hundred forty-three million, nine hundred thirty-eight thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 2.1443938992 × 10¹⁰

Factors of 21443938992

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 145

Divisors of 21443938992

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 17 18 19 21 24 28 34 36 38 42 48 49 51 56 57 63 68 72 76 84 97 98 102 112 114 119 126 133 136 144 147 152 153 168 171 194 196 204 228 238 252 266 272 291 294 304 306 323 336 342 357 388 392 399 408 441 456 476 504 532 582 588 612 646 679 684 714 776 784 798 816 833 873 882 912 931 952 969 1008 1064 1071 1164 1176 1197 1224 1292 1358 1368 1428 1552 1596 1649 1666 1746 1764 1843 1862 1904 1938 2037 2128 2142 2261 2328 2352 2394 2448 2499 2584 2716 2736 2793 2856 2907 3192 3298 3332 3492 3528 3686 3724 3876 4074 4284 4522 4656 4753 4788 4947 4998 5168 5432 5529 5586 5712 5814 6111 6384 6596 6664 6783 6984 7056 7372 7448 7497 7752 8148 8379 8568 9044 9409 9506 9576 9894 9996 10864 11058 11172 11543 11628 12222 12901 13192 13328 13566 13968 14259 14744 14841 14896 14994 15504 15827 16296 16587 16758 17136 18088 18818 19012 19152 19788 19992 20349 22116 22344 23086 23256 24444 25802 26384 27132 28227 28518 29488 29682 29988 31331 31654 32592 33174 33516 34629 36176 37636 38024 38703 39576 39984 40698 42777 44232 44688 46172 46512 47481 48888 51604 54264 56454 57036 59364 59976 62662 63308 65863 66348 67032 69258 75272 76048 77406 79152 80801 81396 84681 85554 88464 90307 92344 93993 94962 97776 103208 103887 108528 112908 114072 116109 118728 119952 125324 126616 131726 132696 134064 138516 142443 150544 154812 159953 161602 162792 169362 171108 178771 180614 184688 187986 189924 197589 206416 207774 219317 225816 228144 232218 237456 242403 250648 253232 263452 265392 270921 277032 281979 284886 309624 319906 323204 325584 338724 342216 357542 361228 375972 379848 395178 415548 438634 451632 461041 464436 479859 484806 501296 526904 536313 541842 554064 563958 569772 592767 619248 639812 646408 657951 677448 684432 715084 722456 727209 751944 759696 790356 812763 831096 877268 922082 928872 959718 969612 1053808 1072626 1083684 1119671 1127916 1139544 1185534 1251397 1279624 1292816 1315902 1354896 1383123 1430168 1439577 1444912 1454418 1503888 1535219 1580712 1608939 1625526 1662192 1754536 1844164 1857744 1919436 1939224 1973853 2145252 2167368 2239342 2255832 2279088 2371068 2502794 2559248 2631804 2766246 2860336 2879154 2908836 3039107 3070438 3161424 3217878 3251052 3359013 3509072 3688328 3754191 3838872 3878448 3947706 4149369 4290504 4334736 4478684 4511664 4605657 4742136 5005588 5263608 5532492 5758308 5817672 6078214 6140876 6435756 6502104 6718026 7376656 7508382 7677744 7837697 7895412 8298738 8581008 8759779 8957368 9117321 9211314 9484272 10011176 10077039 10527216 11064984 11262573 11516616 11635344 12156428 12281752 12871512 13004208 13436052 13816971 15016764 15675394 15790824 16597476 17519558 17914736 18234642 18422628 20022352 20154078 21273749 22129968 22525146 23033232 23513091 24312856 24563504 25743024 26279337 26872104 27351963 27633942 30033528 31350788 31581648 33194952 35039116 36469284 36845256 40308156 42547498 45050292 47026182 48625712 52558674 53744208 54703926 55267884 60067056 62701576 63821247 66389904 70078232 70539273 72938568 73690512 78838011 80616312 85094996 90100584 94052364 105117348 109407852 110535768 125403152 127642494 140156464 141078546 145877136 148916243 157676022 161232624 170189992 180201168 188104728 191463741 210234696 218815704 221071536 255284988 282157092 297832486 315352044 340379984 376209456 382927482 420469392 437631408 446748729 510569976 564314184 595664972 630704088 765854964 893497458 1021139952 1128628368 1191329944 1261408176 1340246187 1531709928 1786994916 2382659888 2680492374 3063419856 3573989832 5360984748 7147979664 10721969496 21443938992
• Sum of all divisors σ(n): 78618706920
• Sum of proper divisors (its aliquot sum) s(n): 57174767928
• 21443938992 is an abundant number, because the sum of its proper divisors (57174767928) is greater than itself. Its abundance is 35730828936

Bases of 21443938992

• Binary: 10011111110001010001000101010110000₂
• Hexadecimal: 0x4FE288AB0
• Base-36: 9UN6180

Squares and roots of 21443938992

• 21443938992 squared (21443938992²) is 459842519492617976064
• 21443938992 cubed (21443938992³) is 9860834933927270673078932287488
• The square root of 21443938992 is 146437.4917567219
• The cube root of 21443938992 is 2778.2299426991

Scales and comparisons

• 21,443,938,992 seconds is equal to 681 years, 44 weeks, 1 day, 17 hours, 43 minutes, 12 seconds.
• To count from 1 to 21,443,938,992 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 21443938992 cubic inches would be around 231.5 feet tall.

Recreational maths with 21443938992

• 21443938992 backwards is 29983934412
• The number of decimal digits it has is: 11
• The sum of 21443938992's digits is 54
• More coming soon!