21145705614432

Names of 21145705614432

• Cardinal: 21145705614432 can be written as Twenty-one trillion, one hundred forty-five billion, seven hundred five million, six hundred fourteen thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 2.1145705614432 × 10¹³

Factors of 21145705614432

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 164653

Divisors of 21145705614432

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 61 63 72 84 96 108 112 122 126 144 168 183 189 216 224 244 252 288 336 349 366 378 427 432 488 504 549 672 698 732 756 854 864 976 1008 1047 1098 1281 1396 1464 1512 1647 1708 1952 2016 2094 2196 2443 2562 2792 2928 3024 3141 3294 3416 3843 4188 4392 4886 5124 5584 5856 6048 6282 6588 6832 7329 7686 8376 8784 9423 9772 10248 11168 11529 12564 13176 13664 14658 15372 16752 17568 18846 19544 20496 21289 21987 23058 25128 26352 29316 30744 33504 37692 39088 40992 42578 43974 46116 50256 52704 58632 61488 63867 65961 75384 78176 85156 87948 92232 100512 117264 122976 127734 131922 149023 150768 164231 170312 175896 184464 191601 234528 255468 263844 298046 301536 328462 340624 351792 368928 383202 447069 492693 510936 527688 574803 596092 656924 681248 703584 766404 894138 985386 1021872 1055376 1149606 1149617 1192184 1313848 1341207 1478079 1532808 1788276 1970772 2043744 2110752 2299212 2299234 2384368 2627696 2682414 2956158 3065616 3448851 3576552 3941544 4023621 4434237 4598424 4598468 4768736 5255392 5364828 5912316 6131232 6897702 7153104 7883088 8047242 8868474 9196848 9196936 10018091 10346553 10729656 11824632 13795404 14306208 15766176 16094484 17736948 18393696 18393872 20036182 20693106 21459312 23649264 27590808 30054273 31039659 32188968 35473896 36787744 40072364 41386212 42918624 47298528 55181616 57316619 60108546 62079318 64377936 70126637 70947792 80144728 82772424 90162819 110363232 114633238 120217092 124158636 128755872 140253274 141895584 160289456 165544848 171949857 180325638 210379911 229266476 240434184 248317272 270488457 280506548 320578912 331089696 343899714 360651276 401216333 420759822 458532952 480868368 496634544 515849571 540976914 561013096 631139733 687799428 721302552 802432666 841519644 917065904 961736736 993269088 1031699142 1081953828 1122026192 1203648999 1262279466 1375598856 1442605104 1547548713 1604865332 1683039288 1834131808 1893419199 2063398284 2163907656 2244052384 2407297998 2524558932 2751197712 2885210208 3095097426 3209730664 3366078576 3496313759 3610946997 3786838398 4126796568 4327815312 4814595996 5049117864 5502395424 6190194852 6419461328 6732157152 6992627518 7221893994 7573676796 8253593136 8655630624 9629191992 10098235728 10488941277 10832840991 12380389704 12838922656 13985255036 14443787988 15147353592 16507186272 19258383984 20196471456 20977882554 21665681982 24474196313 24760779408 27970510072 28887575976 30294707184 31466823831 38516767968 41955765108 43331363964 48948392626 49521558816 55941020144 57775151952 60589414368 62933647662 73422588939 83911530216 86662727928 94400471493 97896785252 111882040288 115550303904 125867295324 146845177878 167823060432 173325455856 188800942986 195793570504 220267766817 251734590648 293690355756 335646120864 346650911712 377601885972 391587141008 440535533634 503469181296 587380711512 660803300451 755203771944 783174282016 881071067268 1006938362592 1174761423024 1321606600902 1510407543888 1762142134536 2349522846048 2643213201804 3020815087776 3524284269072 5286426403608 7048568538144 10572852807216 21145705614432
• Sum of all divisors σ(n): 71846901504000
• Sum of proper divisors (its aliquot sum) s(n): 50701195889568
• 21145705614432 is an abundant number, because the sum of its proper divisors (50701195889568) is greater than itself. Its abundance is 29555490275136

Bases of 21145705614432

• Binary: 100110011101101011110010001011000110001100000₂
• Hexadecimal: 0x133B5E458C60
• Base-36: 7HU7B5NC0

Squares and roots of 21145705614432

• 21145705614432 squared (21145705614432²) is 447140865932221006646682624
• 21145705614432 cubed (21145705614432³) is 9455109119184951937820207551664418029568
• The square root of 21145705614432 is 4598445.9999473735
• The cube root of 21145705614432 is 27652.9028099001

Scales and comparisons

• 21,145,705,614,432 seconds is equal to 672,368 years, 1 week, 4 days, 3 hours, 7 minutes, 12 seconds.
• To count from 1 to 21,145,705,614,432 would take you about one million, six hundred eighty thousand, nine hundred twenty 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 21145705614432 cubic inches would be around 2304.4 feet tall.

Recreational maths with 21145705614432

• 21145705614432 backwards is 23441650754112
• The number of decimal digits it has is: 14
• The sum of 21145705614432's digits is 45
• More coming soon!