21345472512

Names of 21345472512

• Cardinal: 21345472512 can be written as Twenty-one billion, three hundred forty-five million, four hundred seventy-two thousand, five hundred twelve.

Scientific notation

• Scientific notation: 2.1345472512 × 10¹⁰

Factors of 21345472512

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 126

Divisors of 21345472512

• Number of divisors d(n): 780
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 32 36 39 42 48 49 52 54 56 63 64 72 78 81 84 91 96 98 101 104 108 112 117 126 128 144 147 156 162 168 182 189 192 196 202 208 216 224 234 252 256 273 288 294 303 312 324 336 351 364 378 384 392 404 416 432 441 448 468 504 512 546 567 576 588 606 624 637 648 672 702 707 728 756 768 784 808 819 832 864 882 896 909 936 1008 1024 1053 1092 1134 1152 1176 1212 1248 1274 1296 1313 1323 1344 1404 1414 1456 1512 1536 1568 1616 1638 1664 1728 1764 1792 1818 1872 1911 2016 2048 2106 2121 2184 2268 2304 2352 2424 2457 2496 2548 2592 2626 2646 2688 2727 2808 2828 2912 3024 3072 3136 3232 3276 3328 3456 3528 3584 3636 3744 3822 3939 3969 4032 4096 4212 4242 4368 4536 4608 4704 4848 4914 4949 4992 5096 5184 5252 5292 5376 5454 5616 5656 5733 5824 6048 6144 6272 6363 6464 6552 6656 6912 7056 7168 7272 7371 7488 7644 7878 7938 8064 8181 8424 8484 8736 9072 9191 9216 9408 9696 9828 9898 9984 10192 10368 10504 10584 10752 10908 11232 11312 11466 11648 11817 12096 12288 12544 12726 12928 13104 13312 13824 14112 14336 14544 14742 14847 14976 15288 15756 15876 16128 16362 16848 16968 17199 17472 18144 18382 18432 18816 19089 19392 19656 19796 19968 20384 20736 21008 21168 21504 21816 22464 22624 22932 23296 23634 24192 25088 25452 25856 26208 26624 27573 27648 28224 28672 29088 29484 29694 29952 30576 31512 31752 32256 32724 33696 33936 34398 34944 35451 36288 36764 36864 37632 38178 38784 39312 39592 39936 40768 41472 42016 42336 43008 43632 44541 44928 45248 45864 46592 47268 48384 50176 50904 51597 51712 52416 53248 55146 55296 56448 57267 58176 58968 59388 59904 61152 63024 63504 64337 64512 65448 67392 67872 68796 69888 70902 72576 73528 75264 76356 77568 78624 79184 79872 81536 82719 82944 84032 84672 86016 87264 89082 89856 90496 91728 93184 94536 96768 100352 101808 103194 103424 104832 106353 110292 110592 112896 114534 116352 117936 118776 119808 122304 126048 127008 128674 129024 130896 133623 134784 135744 137592 139776 141804 145152 147056 150528 152712 155136 157248 158368 159744 163072 165438 165888 168064 169344 174528 178164 179712 180992 183456 186368 189072 193011 193536 200704 203616 206388 206848 209664 212706 220584 225792 229068 232704 235872 237552 239616 244608 248157 252096 254016 257348 258048 261792 267246 269568 271488 275184 279552 283608 290304 294112 301056 305424 310272 314496 316736 326144 330876 331776 336128 338688 349056 356328 359424 361984 366912 372736 378144 386022 387072 400869 407232 412776 413696 419328 425412 441168 451584 458136 465408 471744 475104 479232 489216 496314 504192 508032 514696 523584 534492 539136 542976 550368 559104 567216 579033 580608 588224 602112 610848 620544 628992 633472 652288 661752 672256 677376 698112 712656 718848 723968 733824 744471 756288 772044 774144 801738 814464 825552 838656 850824 882336 903168 916272 930816 943488 950208 978432 992628 1008384 1016064 1029392 1047168 1068984 1078272 1085952 1100736 1118208 1134432 1158066 1161216 1176448 1221696 1241088 1257984 1266944 1304576 1323504 1344512 1354752 1396224 1425312 1437696 1447936 1467648 1488942 1512576 1544088 1603476 1628928 1651104 1677312 1701648 1737099 1764672 1806336 1832544 1861632 1886976 1900416 1956864 1985256 2016768 2032128 2058784 2094336 2137968 2156544 2171904 2201472 2268864 2316132 2322432 2352896 2443392 2515968 2533888 2609152 2647008 2689024 2709504 2792448 2850624 2895872 2935296 2977884 3025152 3088176 3206952 3257856 3302208 3354624 3403296 3474198 3529344 3665088 3723264 3773952 3800832 3913728 3970512 4033536 4064256 4117568 4188672 4275936 4313088 4343808 4402944 4537728 4632264 4705792 4886784 5031936 5067776 5211297 5294016 5378048 5419008 5584896 5701248 5870592 5955768 6050304 6176352 6413904 6515712 6604416 6806592 6948396 7058688 7330176 7547904 7601664 7827456 7941024 8067072 8128512 8235136 8377344 8551872 8687616 8805888 9075456 9264528 9411584 9773568 10063872 10135552 10422594 10588032 11169792 11402496 11741184 11911536 12100608 12352704 12827808 13031424 13208832 13613184 13896792 14117376 14660352 15095808 15203328 15882048 16134144 16257024 16470272 16754688 17103744 17611776 18150912 18529056 18823168 19547136 20271104 20845188 21176064 22804992 23482368 23823072 24201216 24705408 25655616 26062848 26417664 27226368 27793584 28234752 29320704 30191616 30406656 31764096 32940544 33509376 34207488 35223552 36301824 37058112 37646336 39094272 41690376 42352128 45609984 47646144 48402432 49410816 51311232 52835328 54452736 55587168 56469504 58641408 60813312 63528192 65881088 68414976 70447104 72603648 74116224 78188544 83380752 84704256 91219968 95292288 98821632 102622464 105670656 108905472 111174336 112939008 117282816 127056384 131762176 136829952 145207296 148232448 166761504 169408512 182439936 190584576 197643264 205244928 211341312 217810944 222348672 234565632 254112768 263524352 273659904 296464896 333523008 338817024 381169152 395286528 410489856 435621888 444697344 508225536 547319808 592929792 667046016 762338304 790573056 820979712 889394688 1016451072 1185859584 1334092032 1524676608 1641959424 1778789376 2371719168 2668184064 3049353216 3557578752 5336368128 7115157504 10672736256 21345472512
• Sum of all divisors σ(n): 80672470956
• Sum of proper divisors (its aliquot sum) s(n): 59326998444
• 21345472512 is an abundant number, because the sum of its proper divisors (59326998444) is greater than itself. Its abundance is 37981525932

Bases of 21345472512

• Binary: 10011111000010010100001000000000000₂
• Hexadecimal: 0x4F84A1000
• Base-36: 9T0JK00

Squares and roots of 21345472512

• 21345472512 squared (21345472512²) is 455629196760547590144
• 21345472512 cubed (21345472512³) is 9725620495116908031486594121728
• The square root of 21345472512 is 146100.8983955951
• The cube root of 21345472512 is 2773.9710499297

Scales and comparisons

• 21,345,472,512 seconds is equal to 678 years, 37 weeks, 3 days, 1 hour, 55 minutes, 12 seconds.
• To count from 1 to 21,345,472,512 would take you about one thousand, three hundred fifty-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 21345472512 cubic inches would be around 231.2 feet tall.

Recreational maths with 21345472512

• 21345472512 backwards is 21527454312
• 21345472512 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21345472512's digits is 36
• More coming soon!