21029856848

Names of 21029856848

• Cardinal: 21029856848 can be written as Twenty-one billion, twenty-nine million, eight hundred fifty-six thousand, eight hundred forty-eight.

Scientific notation

• Scientific notation: 2.1029856848 × 10¹⁰

Factors of 21029856848

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 371

Divisors of 21029856848

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 7 8 11 13 14 16 22 26 28 44 49 52 56 77 88 91 98 104 112 127 143 154 176 182 196 208 211 254 286 308 343 364 392 422 508 539 572 616 637 686 728 784 844 889 1001 1016 1078 1144 1232 1274 1372 1397 1456 1477 1651 1688 1778 2002 2032 2156 2288 2321 2548 2743 2744 2794 2954 3302 3376 3556 3773 4004 4312 4459 4642 5096 5486 5488 5588 5908 6223 6604 7007 7112 7546 8008 8624 8918 9284 9779 10192 10339 10972 11176 11557 11816 12446 13208 14014 14224 15092 16016 16247 17836 18161 18568 19201 19558 20678 21944 22352 23114 23632 24892 26416 26797 28028 30173 30184 32494 35672 36322 37136 38402 39116 41356 43561 43888 46228 49049 49784 53594 56056 60346 60368 64988 68453 71344 72373 72644 76804 78232 80899 82712 87122 92456 98098 99568 107188 112112 113729 120692 127127 129976 134407 136906 144746 145288 153608 156464 161798 165424 174244 184912 187579 196196 211211 214376 227458 241384 254254 259952 268814 273812 289492 290576 294767 307216 323596 348361 348488 375158 392392 422422 428752 454916 479171 482768 508508 537628 547624 566293 578984 589534 647192 696722 696976 750316 784784 796103 844844 889889 909832 940849 958342 1017016 1075256 1095248 1132586 1157968 1179068 1294384 1313053 1393444 1478477 1500632 1592206 1689688 1779778 1819664 1881698 1916684 2034032 2063369 2150512 2265172 2358136 2438527 2626106 2786888 2956954 3001264 3184412 3379376 3559556 3763396 3831971 3833368 4126738 4530344 4716272 4877054 5252212 5573776 5913908 6229223 6368824 7119112 7526792 7663942 7666736 8253476 9060688 9191371 9754108 10349339 10504424 11827816 12458446 12737648 14238224 14443583 15053584 15327884 16506952 17069689 18382742 19508216 20698678 21008848 23655632 24916892 26823797 28887166 30655768 33013904 34139378 36765484 39016432 41397356 49833784 53647594 57774332 61311536 68278756 73530968 82794712 99667568 101105081 107295188 115548664 119487823 136557512 147061936 165589424 187766579 202210162 214590376 231097328 238975646 273115024 375533158 404420324 429180752 477951292 751066316 808840648 955902584 1314366053 1502132632 1617681296 1911805168 2628732106 3004265264 5257464212 10514928424 21029856848
• Sum of all divisors σ(n): 56529715200
• Sum of proper divisors (its aliquot sum) s(n): 35499858352
• 21029856848 is an abundant number, because the sum of its proper divisors (35499858352) is greater than itself. Its abundance is 14470001504

Bases of 21029856848

• Binary: 10011100101011110100010011001010000₂
• Hexadecimal: 0x4E57A2650
• Base-36: 9NSMTE8

Squares and roots of 21029856848

• 21029856848 squared (21029856848²) is 442254879047372495104
• 21029856848 cubed (21029856848³) is 9300556796695798182569700872192
• The square root of 21029856848 is 145016.7467846385
• The cube root of 21029856848 is 2760.2310616609

Scales and comparisons

• 21,029,856,848 seconds is equal to 668 years, 35 weeks, 4 days, 2 hours, 54 minutes, 8 seconds.
• To count from 1 to 21,029,856,848 would take you about one thousand, three hundred thirty-seven 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 21029856848 cubic inches would be around 230 feet tall.

Recreational maths with 21029856848

• 21029856848 backwards is 84865892012
• The number of decimal digits it has is: 11
• The sum of 21029856848's digits is 53
• More coming soon!