21820135169664

Names of 21820135169664

• Cardinal: 21820135169664 can be written as Twenty-one trillion, eight hundred twenty billion, one hundred thirty-five million, one hundred sixty-nine thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 2.1820135169664 × 10¹³

Factors of 21820135169664

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 12770

Divisors of 21820135169664

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 64 72 78 96 104 108 117 128 144 156 169 192 208 216 234 288 312 338 351 384 416 432 468 507 576 624 676 702 832 864 936 1014 1152 1248 1352 1404 1521 1664 1728 1872 2028 2496 2704 2808 3042 3456 3744 4056 4561 4563 4992 5408 5616 6084 7488 8112 8191 9122 9126 10816 11232 12168 13683 14976 16224 16382 18244 18252 21632 22464 24336 24573 27366 32448 32764 36488 36504 41049 44928 48672 49146 54732 59293 64896 65528 72976 73008 73719 82098 97344 98292 106483 109464 118586 123147 131056 145952 146016 147438 164196 177879 194688 196584 212966 218928 221157 237172 246294 262112 291904 292032 294876 319449 328392 355758 393168 425932 437856 442314 474344 492588 524224 533637 583808 584064 589752 638898 656784 711516 770809 786336 851864 875712 884628 948688 958347 985176 1048448 1067274 1179504 1277796 1313568 1384279 1423032 1541618 1572672 1600911 1703728 1751424 1769256 1897376 1916694 1970352 2134548 2312427 2359008 2555592 2627136 2768558 2846064 2875041 3083236 3145344 3201822 3407456 3538512 3794752 3833388 3940704 4152837 4269096 4624854 4718016 5111184 5254272 5537116 5692128 5750082 6166472 6403644 6814912 6937281 7077024 7589504 7666776 7881408 8305674 8538192 9249708 9436032 10222368 11074232 11384256 11500164 12332944 12458511 12807288 13629824 13874562 14154048 15333552 15762816 16611348 17076384 18499416 20444736 20811843 22148464 22768512 23000328 24665888 24917022 25614576 27749124 28308096 30667104 33222696 34152768 36998832 37359151 37375533 40889472 41623686 44296928 46000656 49331776 49834044 51229152 55498248 61334208 66445392 68305536 73997664 74718302 74751066 83247372 88593856 92001312 98663552 99668088 102458304 110996496 112077453 122668416 132890784 147995328 149436604 149502132 166494744 177187712 184002624 199336176 204916608 221992992 224154906 265781568 295990656 298873208 299004264 332989488 336232359 368005248 398672352 443985984 448309812 485668963 531563136 597746416 598008528 665978976 672464718 797344704 887971968 896619624 971337926 1008697077 1195492832 1196017056 1331957952 1344929436 1457006889 1594689408 1793239248 1942675852 2017394154 2390985664 2392034112 2663915904 2689858872 2914013778 3586478496 3885351704 4034788308 4371020667 4781971328 4784068224 5379717744 5828027556 6313696519 7172956992 7770703408 8069576616 8742041334 10759435488 11656055112 12627393038 13113062001 14345913984 15541406816 16139153232 17484082668 18941089557 21518870976 23312110224 25254786076 26226124002 31082813632 32278306464 34968165336 37882179114 43037741952 46624220448 50509572152 52452248004 56823268671 62165627264 64556612928 69936330672 75764358228 93248440896 101019144304 104904496008 113646537342 129113225856 139872661344 151528716456 170469806013 186496881792 202038288608 209808992016 227293074684 279745322688 303057432912 340939612026 404076577216 419617984032 454586149368 559490645376 606114865824 681879224052 808153154432 839235968064 909172298736 1212229731648 1363758448104 1678471936128 1818344597472 2424459463296 2727516896208 3636689194944 5455033792416 7273378389888 10910067584832 21820135169664
• Sum of all divisors σ(n): 69758396006400
• Sum of proper divisors (its aliquot sum) s(n): 47938260836736
• 21820135169664 is an abundant number, because the sum of its proper divisors (47938260836736) is greater than itself. Its abundance is 26118125667072

Bases of 21820135169664

• Binary: 100111101100001100101011001111101111010000000₂
• Hexadecimal: 0x13D86567DE80
• Base-36: 7QG153MO0

Squares and roots of 21820135169664

• 21820135169664 squared (21820135169664²) is 476118298822407798065872896
• 21820135169664 cubed (21820135169664³) is 10388965637055414230255082134609219026944
• The square root of 21820135169664 is 4671202.7540735159
• The cube root of 21820135169664 is 27943.8223849079

Scales and comparisons

• 21,820,135,169,664 seconds is equal to 693,812 years, 41 weeks, 5 days, 18 hours, 14 minutes, 24 seconds.
• To count from 1 to 21,820,135,169,664 would take you about one million, seven hundred thirty-four thousand, five hundred thirty-two 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 21820135169664 cubic inches would be around 2328.7 feet tall.

Recreational maths with 21820135169664

• 21820135169664 backwards is 46696153102812
• 21820135169664 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21820135169664's digits is 54
• More coming soon!