21081622848

Names of 21081622848

• Cardinal: 21081622848 can be written as Twenty-one billion, eighty-one million, six hundred twenty-two thousand, eight hundred forty-eight.

Scientific notation

• Scientific notation: 2.1081622848 × 10¹⁰

Factors of 21081622848

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 141

Divisors of 21081622848

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 6 8 11 12 13 16 22 24 26 29 32 33 39 44 48 52 58 64 66 78 83 87 88 96 104 116 121 132 143 156 166 174 176 192 208 232 242 249 264 286 312 319 332 348 352 363 377 416 429 464 484 498 528 572 624 638 664 696 704 726 754 832 841 858 913 928 957 968 996 1056 1079 1131 1144 1248 1276 1328 1392 1452 1508 1573 1682 1716 1826 1856 1914 1936 1992 2112 2158 2262 2288 2407 2496 2523 2552 2656 2739 2784 2904 3016 3146 3237 3364 3432 3509 3652 3828 3872 3984 4147 4316 4524 4576 4719 4814 5046 5104 5312 5478 5568 5808 6032 6292 6474 6728 6864 7018 7221 7304 7656 7744 7968 8294 8632 9048 9152 9251 9438 9628 10043 10092 10208 10527 10933 10956 11616 11869 12064 12441 12584 12948 13456 13728 14036 14442 14608 15312 15936 16588 17264 18096 18502 18876 19256 20086 20184 20416 21054 21866 21912 23232 23738 24128 24882 25168 25896 26477 26912 27456 27753 28072 28884 29216 30129 30624 31291 32799 33176 34528 35607 36192 37004 37752 38512 40172 40368 42108 43732 43824 45617 47476 49764 50336 51792 52954 53824 55506 56144 57768 58432 60258 61248 62582 65598 66352 69056 69803 71214 72384 74008 75504 77024 79431 80344 80736 84216 87464 87648 91234 93873 94952 99528 100672 101761 103584 105908 111012 112288 115536 120263 120516 125164 130559 131196 132704 136851 139606 142428 148016 151008 154048 158862 160688 161472 168432 174928 175296 182468 187746 189904 199056 203522 207168 209409 211816 222024 224576 231072 240526 241032 250328 261118 262392 265408 273702 279212 284856 291247 296032 302016 305283 317724 321376 336864 344201 349856 360789 364936 375492 379808 391677 398112 407044 418818 423632 444048 462144 481052 482064 500656 522236 524784 547404 558424 569712 582494 592064 610566 635448 642752 673728 688402 699712 721578 729872 750984 759616 767833 783354 796224 814088 837636 847264 873741 888096 907439 962104 964128 1001312 1032603 1044472 1049568 1094808 1116848 1139424 1164988 1221132 1270896 1322893 1376804 1443156 1459744 1501968 1535666 1566708 1628176 1675272 1694528 1747482 1776192 1814878 1924208 1928256 2002624 2065206 2088944 2099136 2189616 2233696 2278848 2303499 2329976 2442264 2541792 2645786 2722317 2753608 2886312 2919488 3003936 3071332 3133416 3256352 3350544 3494964 3629756 3786211 3848416 3968679 4130412 4177888 4379232 4467392 4606998 4659952 4884528 5083584 5291572 5444634 5507216 5772624 6007872 6142664 6266832 6512704 6701088 6989928 7259512 7572422 7696832 7937358 8260824 8355776 8446163 8758464 9213996 9319904 9769056 9981829 10583144 10889268 11014432 11358633 11545248 12285328 12533664 13402176 13979856 14519024 15144844 15874716 16521648 16892326 18427992 18639808 19538112 19963658 21166288 21778536 22028864 22717266 23090496 24570656 25067328 25338489 27959712 29038048 29945487 30289688 31749432 33043296 33784652 36855984 39927316 42332576 43557072 45434532 49141312 50676978 55919424 58076096 59890974 60579376 63498864 66086592 67569304 73711968 79854632 84665152 87114144 90869064 101353956 109800119 119781948 121158752 126997728 135138608 147423936 159709264 174228288 181738128 202707912 219600238 239563896 242317504 253995456 270277216 319418528 329400357 363476256 405415824 439200476 479127792 540554432 638837056 658800714 726952512 810831648 878400952 958255584 1317601428 1621663296 1756801904 1916511168 2635202856 3513603808 5270405712 7027207616 10540811424 21081622848
• Sum of all divisors σ(n): 69205534944
• Sum of proper divisors (its aliquot sum) s(n): 48123912096
• 21081622848 is an abundant number, because the sum of its proper divisors (48123912096) is greater than itself. Its abundance is 27042289248

Bases of 21081622848

• Binary: 10011101000100100000000100101000000₂
• Hexadecimal: 0x4E8900940
• Base-36: 9ONGCAO

Squares and roots of 21081622848

• 21081622848 squared (21081622848²) is 444434821905315631104
• 21081622848 cubed (21081622848³) is 9369407295925912901333625864192
• The square root of 21081622848 is 145195.1199179917
• The cube root of 21081622848 is 2762.4940195417

Scales and comparisons

• 21,081,622,848 seconds is equal to 670 years, 17 weeks, 1 day, 6 hours, 20 minutes, 48 seconds.
• To count from 1 to 21,081,622,848 would take you about one thousand, three hundred forty 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 21081622848 cubic inches would be around 230.2 feet tall.

Recreational maths with 21081622848

• 21081622848 backwards is 84822618012
• The number of decimal digits it has is: 11
• The sum of 21081622848's digits is 42
• More coming soon!