21237904512

Names of 21237904512

• Cardinal: 21237904512 can be written as Twenty-one billion, two hundred thirty-seven million, nine hundred four thousand, five hundred twelve.

Scientific notation

• Scientific notation: 2.1237904512 × 10¹⁰

Factors of 21237904512

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 35

Divisors of 21237904512

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 19 22 24 27 32 33 36 38 44 48 54 57 64 66 72 76 81 88 96 99 108 114 121 128 132 144 152 162 171 176 192 198 209 216 228 242 243 264 288 297 304 324 342 352 363 384 396 418 432 456 484 486 513 528 576 594 608 627 648 684 704 726 729 792 836 864 891 912 968 972 1026 1056 1089 1152 1188 1216 1254 1296 1331 1368 1408 1452 1458 1539 1584 1672 1728 1782 1824 1881 1936 1944 2052 2112 2178 2187 2299 2376 2432 2508 2592 2662 2673 2736 2904 2916 3078 3168 3267 3344 3456 3564 3648 3762 3872 3888 3993 4104 4224 4356 4374 4598 4617 4752 5016 5184 5324 5346 5472 5643 5808 5832 6156 6336 6534 6561 6688 6897 7128 7296 7524 7744 7776 7986 8019 8208 8712 8748 9196 9234 9504 9801 10032 10368 10648 10692 10944 11286 11616 11664 11979 12312 12672 13068 13122 13376 13794 13851 14256 15048 15488 15552 15972 16038 16416 16929 17424 17496 18392 18468 19008 19602 20064 20691 21296 21384 21888 22572 23232 23328 23958 24057 24624 25289 26136 26244 26752 27588 27702 28512 29403 30096 31104 31944 32076 32832 33858 34848 34992 35937 36784 36936 38016 39204 40128 41382 41553 42592 42768 45144 46464 46656 47916 48114 49248 50578 50787 52272 52488 55176 55404 57024 58806 60192 62073 63888 64152 65664 67716 69696 69984 71874 72171 73568 73872 75867 78408 80256 82764 83106 85184 85536 88209 90288 93312 95832 96228 98496 101156 101574 104544 104976 107811 110352 110808 114048 117612 120384 124146 124659 127776 128304 135432 139392 139968 143748 144342 147136 147744 151734 152361 156816 165528 166212 170368 171072 176418 180576 186219 191664 192456 196992 202312 203148 209088 209952 215622 220704 221616 227601 235224 240768 248292 249318 255552 256608 264627 270864 279936 287496 288684 294272 295488 303468 304722 313632 323433 331056 332424 342144 352836 361152 372438 383328 384912 404624 406296 418176 419904 431244 441408 443232 455202 457083 470448 496584 498636 511104 513216 529254 541728 558657 574992 577368 590976 606936 609444 627264 646866 662112 664848 682803 705672 722304 744876 766656 769824 793881 809248 812592 839808 862488 882816 886464 910404 914166 940896 970299 993168 997272 1026432 1058508 1083456 1117314 1149984 1154736 1213872 1218888 1254528 1293732 1324224 1329696 1365606 1371249 1411344 1489752 1533312 1539648 1587762 1618496 1625184 1675971 1724976 1772928 1820808 1828332 1881792 1940598 1986336 1994544 2048409 2117016 2166912 2234628 2299968 2309472 2427744 2437776 2587464 2648448 2659392 2731212 2742498 2822688 2910897 2979504 3079296 3175524 3236992 3250368 3351942 3449952 3641616 3656664 3763584 3881196 3972672 3989088 4096818 4234032 4469256 4599936 4618944 4855488 4875552 5027913 5174928 5318784 5462424 5484996 5645376 5821794 5959008 6145227 6351048 6500736 6703884 6899904 7283232 7313328 7762392 7945344 7978176 8193636 8468064 8732691 8938512 9237888 9710976 9751104 10055826 10349856 10924848 10969992 11290752 11643588 11918016 12290454 12702096 13407768 13799808 14566464 14626656 15083739 15524784 15956352 16387272 16936128 17465382 17877024 18435681 19502208 20111652 20699712 21849696 21939984 23287176 23836032 24580908 25404192 26815536 29132928 29253312 30167478 31049568 32774544 33872256 34930764 35754048 36871362 40223304 41399424 43699392 43879968 46574352 49161816 50808384 53631072 55307043 58506624 60334956 62099136 65549088 69861528 71508096 73742724 80446608 87398784 87759936 93148704 98323632 101616768 107262144 110614086 120669912 124198272 131098176 139723056 147485448 160893216 165921129 175519872 186297408 196647264 214524288 221228172 241339824 262196352 279446112 294970896 321786432 331842258 372594816 393294528 442456344 482679648 558892224 589941792 643572864 663684516 786589056 884912688 965359296 1117784448 1179883584 1327369032 1769825376 1930718592 2359767168 2654738064 3539650752 5309476128 7079301504 10618952256 21237904512
• Sum of all divisors σ(n): 73476842400
• Sum of proper divisors (its aliquot sum) s(n): 52238937888
• 21237904512 is an abundant number, because the sum of its proper divisors (52238937888) is greater than itself. Its abundance is 31001033376

Bases of 21237904512

• Binary: 10011110001111000001011010010000000₂
• Hexadecimal: 0x4F1E0B480
• Base-36: 9R8I000

Squares and roots of 21237904512

• 21237904512 squared (21237904512²) is 451048588060829958144
• 21237904512 cubed (21237904512³) is 9579326843508329898531228745728
• The square root of 21237904512 is 145732.3042842593
• The cube root of 21237904512 is 2769.3035002437

Scales and comparisons

• 21,237,904,512 seconds is equal to 675 years, 15 weeks, 4 days, 1 hour, 55 minutes, 12 seconds.
• To count from 1 to 21,237,904,512 would take you about one thousand, three hundred fifty 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 21237904512 cubic inches would be around 230.8 feet tall.

Recreational maths with 21237904512

• 21237904512 backwards is 21540973212
• 21237904512 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21237904512's digits is 36
• More coming soon!