21641465585664

Names of 21641465585664

• Cardinal: 21641465585664 can be written as Twenty-one trillion, six hundred forty-one billion, four hundred sixty-five million, five hundred eighty-five thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 2.1641465585664 × 10¹³

Factors of 21641465585664

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 45468

Divisors of 21641465585664

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 27 32 34 36 48 51 54 64 68 72 96 102 108 127 128 136 144 153 192 204 216 254 256 272 288 306 381 384 408 432 459 508 512 544 576 612 762 768 816 864 918 1016 1024 1088 1143 1152 1224 1524 1536 1632 1728 1836 2032 2048 2159 2176 2286 2304 2448 3048 3072 3264 3429 3456 3672 4064 4096 4318 4352 4572 4608 4896 6096 6144 6477 6528 6858 6912 7344 8128 8192 8636 8704 9144 9216 9792 12192 12288 12954 13056 13716 13824 14688 16256 17272 17408 18288 18432 19431 19584 24384 24576 25908 26112 27432 27648 29376 32512 34544 34816 36576 36864 38862 39168 45319 48768 51816 52224 54864 55296 58293 58752 65024 69088 69632 73152 73728 77724 78336 90638 97536 103632 104448 109728 110592 116586 117504 130048 135957 138176 139264 146304 155448 156672 181276 195072 207264 208896 219456 221184 233172 235008 260096 271914 276352 292608 310896 313344 362552 390144 407871 414528 417792 438912 466344 470016 520192 543828 552704 585216 621792 626688 725104 770423 780288 815742 829056 877824 932688 940032 1040384 1087656 1105408 1170432 1223613 1243584 1253376 1450208 1540846 1560576 1631484 1658112 1755648 1865376 1880064 2175312 2210816 2311269 2340864 2447226 2487168 2900416 3081692 3121152 3262968 3316224 3511296 3730752 3760128 4350624 4421632 4622538 4681728 4894452 4974336 5755513 5800832 6163384 6525936 6632448 6933807 7022592 7461504 8701248 8843264 9245076 9363456 9788904 9948672 11511026 11601664 12326768 13051872 13264896 13867614 14045184 14923008 17266539 17402496 17686528 18490152 19577808 19897344 20801421 23022052 23203328 24653536 26103744 26529792 27735228 28090368 29846016 34533078 34804992 36980304 39155616 39794688 41602842 46044104 46406656 49307072 51799617 52207488 53059584 55470456 59692032 69066156 69609984 73960608 78311232 79589376 83205684 92088208 92813312 97843721 98614144 103599234 104414976 110940912 119384064 138132312 139219968 147921216 155398851 156622464 159178752 166411368 184176416 185626624 195687442 197228288 207198468 208829952 221881824 238768128 276264624 278439936 293531163 295842432 310797702 313244928 332822736 368352832 371253248 391374884 394456576 414396936 417659904 443763648 477536256 552529248 556879872 587062326 591684864 621595404 626489856 665645472 736705664 782749768 788913152 828793872 835319808 880593489 887527296 1105058496 1113759744 1174124652 1183369728 1243190808 1252979712 1331290944 1473411328 1565499536 1577826304 1657587744 1670639616 1761186978 1775054592 2210116992 2348249304 2366739456 2486381616 2505959424 2641780467 2662581888 2946822656 3130999072 3155652608 3315175488 3341279232 3522373956 3550109184 4420233984 4696498608 4733478912 4972763232 5011918848 5283560934 5325163776 5893645312 6261998144 6311305216 6630350976 7044747912 7100218368 8840467968 9392997216 9466957824 9945526464 10023837696 10567121868 10650327552 11787290624 12523996288 13260701952 14089495824 14200436736 17680935936 18785994432 18933915648 19891052928 21134243736 21300655104 23574581248 25047992576 26521403904 28178991648 28400873472 35361871872 37571988864 39782105856 42268487472 42601310208 47149162496 50095985152 53042807808 56357983296 56801746944 70723743744 75143977728 79564211712 84536974944 85202620416 100191970304 106085615616 112715966592 141447487488 150287955456 159128423424 169073949888 170405240832 200383940608 212171231232 225431933184 300575910912 318256846848 338147899776 400767881216 424342462464 450863866368 601151821824 636513693696 676295799552 801535762432 901727732736 1202303643648 1273027387392 1352591599104 1803455465472 2404607287296 2705183198208 3606910930944 5410366396416 7213821861888 10820732792832 21641465585664
• Sum of all divisors σ(n): 68426731929600
• Sum of proper divisors (its aliquot sum) s(n): 46785266343936
• 21641465585664 is an abundant number, because the sum of its proper divisors (46785266343936) is greater than itself. Its abundance is 25143800758272

Bases of 21641465585664

• Binary: 100111010111011001011110111100110000000000000₂
• Hexadecimal: 0x13AECBDE6000
• Base-36: 7O5Y9UDC0

Squares and roots of 21641465585664

• 21641465585664 squared (21641465585664²) is 468353032695479258522320896
• 21641465585664 cubed (21641465585664³) is 10135846039020580572101923852769185234944
• The square root of 21641465585664 is 4652038.8633011225
• The cube root of 21641465585664 is 27867.3425545715

Scales and comparisons

• 21,641,465,585,664 seconds is equal to 688,131 years, 34 weeks, 3 days, 18 hours, 14 minutes, 24 seconds.
• To count from 1 to 21,641,465,585,664 would take you about one million, seven hundred twenty thousand, three hundred twenty-nine 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 21641465585664 cubic inches would be around 2322.3 feet tall.

Recreational maths with 21641465585664

• 21641465585664 backwards is 46658556414612
• The number of decimal digits it has is: 14
• The sum of 21641465585664's digits is 63
• More coming soon!