21016943638528

Names of 21016943638528

• Cardinal: 21016943638528 can be written as Twenty-one trillion, sixteen billion, nine hundred forty-three million, six hundred thirty-eight thousand, five hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1016943638528 × 10¹³

Factors of 21016943638528

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 2101

Divisors of 21016943638528

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 8 16 29 32 37 58 61 64 74 83 116 122 128 148 166 232 244 256 296 332 464 488 512 592 664 928 976 1024 1073 1184 1328 1769 1856 1889 1952 2048 2146 2257 2368 2407 2656 3071 3538 3712 3778 3904 4292 4514 4736 4814 5063 5312 6142 7076 7424 7556 7808 8584 9028 9472 9628 10126 10624 12284 14152 14848 15112 15616 17168 18056 18944 19256 20252 21248 24568 28304 29696 30224 31232 34336 36112 37888 38512 40504 42496 49136 54781 56608 59392 60448 62464 65453 68672 69893 72224 75776 77024 81008 84992 89059 98272 109562 113216 115229 120896 124928 130906 137344 139786 144448 146827 154048 156787 162016 169984 178118 187331 196544 219124 226432 230458 241792 261812 274688 279572 288896 293654 308096 313574 324032 356236 374662 393088 438248 452864 460916 483584 523624 549376 559144 577792 587308 616192 627148 648064 712472 749324 786176 876496 905728 921832 967168 1047248 1098752 1118288 1155584 1174616 1232384 1254296 1296128 1424944 1498648 1572352 1752992 1811456 1843664 1934336 2026897 2094496 2197504 2236576 2311168 2349232 2464768 2508592 2592256 2849888 2997296 3144704 3341641 3505984 3622912 3687328 3868672 4053794 4188992 4263473 4473152 4546823 4622336 4698464 4929536 5017184 5184512 5432599 5699776 5801119 5994592 6289408 6683282 7011968 7374656 8107588 8377984 8526946 8946304 9093646 9396928 9564007 10034368 10369024 10865198 11399552 11602238 11989184 13366564 14023936 14749312 16215176 16755968 17053892 17892608 18187292 18793856 19128014 20068736 21730396 22799104 23204476 23978368 26733128 28047872 29498624 32430352 33511936 34107784 35785216 36374584 37587712 38256028 40137472 43460792 45598208 46408952 47956736 53466256 56095744 58997248 64860704 67023872 68215568 71570432 72749168 75175424 76512056 80274944 86921584 91196416 92817904 95913472 106932512 112191488 117994496 123640717 129721408 134047744 136431136 143140864 145498336 150350848 153024112 160549888 168232451 173843168 182392832 185635808 191826944 213865024 235988992 247281434 259442816 272862272 277356203 290996672 300701696 306048224 321099776 336464902 347686336 353868259 371271616 383653888 427730048 494562868 518885632 545724544 554712406 581993344 612096448 672929804 695372672 707736518 742543232 855460096 989125736 1037771264 1091449088 1109424812 1163986688 1224192896 1345859608 1390745344 1415473036 1485086464 1710920192 1978251472 2075542528 2182898176 2218849624 2327973376 2448385792 2691719216 2781490688 2830946072 2970172928 3421840384 3956502944 4151085056 4365796352 4437699248 4655946752 4896771584 5383438432 5562981376 5661892144 5940345856 6843680768 7913005888 8731592704 8875398496 9311893504 9793543168 10262179511 10766876864 11125962752 11323784288 11880691712 15826011776 17750796992 19587086336 20524359022 21533753728 22647568576 31652023552 35501593984 41048718044 43067507456 45295137152 63304047104 71003187968 82097436088 86135014912 90590274304 126608094208 142006375936 164194872176 172270029824 181180548608 253216188416 284012751872 328389744352 344540059648 362361097216 568025503744 656779488704 724722194432 1313558977408 2627117954816 5254235909632 10508471819264 21016943638528
• Sum of all divisors σ(n): 45950637096000
• Sum of proper divisors (its aliquot sum) s(n): 24933693457472
• 21016943638528 is an abundant number, because the sum of its proper divisors (24933693457472) is greater than itself. Its abundance is 3916749818944

Bases of 21016943638528

• Binary: 100110001110101100011011101011011100000000000₂
• Hexadecimal: 0x131D6375B800
• Base-36: 7G71TLMV4

Squares and roots of 21016943638528

• 21016943638528 squared (21016943638528²) is 441711919905062567526006784
• 21016943638528 cubed (21016943638528³) is 9283434525110694186267526714187371773952
• The square root of 21016943638528 is 4584424.0247306967
• The cube root of 21016943638528 is 27596.6598030755

Scales and comparisons

• 21,016,943,638,528 seconds is equal to 668,273 years, 41 weeks, 3 days, 11 hours, 35 minutes, 28 seconds.
• To count from 1 to 21,016,943,638,528 would take you about one million, six hundred seventy thousand, six hundred eighty-four 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 21016943638528 cubic inches would be around 2299.7 feet tall.

Recreational maths with 21016943638528

• 21016943638528 backwards is 82583634961012
• 21016943638528 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21016943638528's digits is 58
• More coming soon!