21559120128

Names of 21559120128

• Cardinal: 21559120128 can be written as Twenty-one billion, five hundred fifty-nine million, one hundred twenty thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1559120128 × 10¹⁰

Factors of 21559120128

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 163

Divisors of 21559120128

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 28 31 32 36 39 42 48 52 56 62 63 64 72 78 84 91 93 96 104 107 112 117 124 126 128 144 156 168 182 186 192 208 214 217 224 234 248 252 256 273 279 288 312 321 336 364 372 384 403 416 428 434 448 468 496 504 546 558 576 624 642 651 672 728 744 749 768 806 819 832 856 868 896 936 961 963 992 1008 1092 1116 1152 1209 1248 1284 1302 1344 1391 1456 1488 1498 1612 1638 1664 1712 1736 1792 1872 1922 1926 1953 1984 2016 2184 2232 2247 2304 2418 2496 2568 2604 2688 2782 2821 2883 2912 2976 2996 3224 3276 3317 3328 3424 3472 3627 3744 3844 3852 3906 3968 4032 4173 4368 4464 4494 4836 4992 5136 5208 5376 5564 5642 5766 5824 5952 5992 6448 6552 6634 6727 6741 6848 6944 7254 7488 7688 7704 7812 7936 8064 8346 8463 8649 8736 8928 8988 9672 9737 9951 9984 10272 10416 11128 11284 11532 11648 11904 11984 12493 12519 12896 13104 13268 13454 13482 13696 13888 14508 14976 15376 15408 15624 16128 16692 16926 17298 17472 17856 17976 19344 19474 19902 20181 20544 20832 22256 22568 23064 23219 23296 23808 23968 24986 25038 25389 25792 26208 26536 26908 26964 27392 27776 29016 29211 29853 29952 30752 30816 31248 33384 33852 34596 34944 35712 35952 37479 38688 38948 39804 40362 41088 41664 43121 44512 45136 46128 46438 47936 49972 50076 50778 51584 52416 53072 53816 53928 55552 58032 58422 59706 60543 61504 61632 62496 66768 67704 69192 69657 69888 71424 71904 74958 77376 77896 79608 80724 82176 83328 86242 87451 87633 89024 90272 92256 92876 95872 99944 100152 101556 102827 103168 104832 106144 107632 107856 112437 116064 116844 119412 121086 123008 123264 124992 129363 133536 135408 138384 139314 143808 149916 154752 155792 159216 161448 166656 172484 174902 175266 178048 180544 184512 185752 191744 199888 200304 203112 205654 208971 209664 212288 215264 215712 224874 232128 233688 238824 242172 246016 246528 249984 258726 262353 267072 270816 276768 278628 287616 299832 301847 308481 309504 311584 318432 322896 344968 349804 350532 356096 361088 369024 371504 388089 399776 400608 406224 411308 417942 424576 430528 431424 449748 464256 467376 477648 484344 499968 517452 524706 534144 541632 553536 557256 575232 599664 603694 616962 623168 636864 645792 689936 699608 701064 719789 722176 738048 743008 776178 787059 799552 801216 812448 822616 835884 849152 861056 862848 899496 905541 925443 928512 934752 955296 968688 1034904 1049412 1068288 1083264 1107072 1114512 1199328 1207388 1233924 1246336 1273728 1291584 1336751 1379872 1399216 1402128 1439578 1486016 1552356 1574118 1599104 1602432 1624896 1645232 1671768 1722112 1725696 1798992 1811082 1850886 1869504 1910592 1937376 2069808 2098824 2159367 2166528 2214144 2229024 2398656 2414776 2467848 2492672 2547456 2583168 2673502 2716623 2759744 2798432 2804256 2879156 2972032 3104712 3148236 3198208 3204864 3249792 3290464 3343536 3597984 3622164 3701772 3739008 3821184 3874752 4010253 4139616 4197648 4318734 4458048 4797312 4829552 4935696 5166336 5347004 5433246 5519488 5596864 5608512 5758312 5944064 6209424 6296472 6478101 6499584 6580928 6687072 7195968 7244328 7403544 7478016 7642368 7749504 8020506 8279232 8395296 8637468 8916096 9357257 9594624 9659104 9871392 10694008 10866492 11038976 11193728 11217024 11516624 12030759 12418848 12592944 12956202 13161856 13374144 14391936 14488656 14807088 15499008 16041012 16558464 16790592 17274936 17832192 18714514 19318208 19742784 21388016 21732984 22387456 22434048 23033248 24061518 24837696 25185888 25912404 26323712 26748288 28071771 28783872 28977312 29614176 32082024 33116928 33581184 34549872 37429028 38636416 39485568 42776032 43465968 46066496 48123036 49675392 50371776 51824808 53496576 56143542 57954624 59228352 64164048 67162368 69099744 74858056 77272832 78971136 84215313 85552064 86931936 92132992 96246072 99350784 100743552 103649616 112287084 115909248 118456704 128328096 138199488 149716112 168430626 171104128 173863872 184265984 192492144 201487104 207299232 224574168 231818496 236913408 256656192 276398976 299432224 336861252 342208256 347727744 384984288 414598464 449148336 513312384 552797952 598864448 673722504 695455488 769968576 829196928 898296672 1026624768 1197728896 1347445008 1539937152 1658393856 1796593344 2395457792 2694890016 3079874304 3593186688 5389780032 7186373376 10779560064 21559120128
• Sum of all divisors σ(n): 79791251904
• Sum of proper divisors (its aliquot sum) s(n): 58232131776
• 21559120128 is an abundant number, because the sum of its proper divisors (58232131776) is greater than itself. Its abundance is 36673011648

Bases of 21559120128

• Binary: 10100000101000001100001000100000000₂
• Hexadecimal: 0x505061100
• Base-36: 9WJQRK0

Squares and roots of 21559120128

• 21559120128 squared (21559120128²) is 464795660693534736384
• 21559120128 cubed (21559120128³) is 10020585483865043174643468337152
• The square root of 21559120128 is 146830.2425524115
• The cube root of 21559120128 is 2783.1952687975

Scales and comparisons

• 21,559,120,128 seconds is equal to 685 years, 26 weeks, 4 days, 20 hours, 28 minutes, 48 seconds.
• To count from 1 to 21,559,120,128 would take you about one thousand, three hundred seventy-one 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 21559120128 cubic inches would be around 231.9 feet tall.

Recreational maths with 21559120128

• 21559120128 backwards is 82102195512
• 21559120128 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21559120128's digits is 36
• More coming soon!