21390200832

Names of 21390200832

• Cardinal: 21390200832 can be written as Twenty-one billion, three hundred ninety million, two hundred thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 2.1390200832 × 10¹⁰

Factors of 21390200832

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 120

Divisors of 21390200832

• Number of divisors d(n): 832
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 13 14 16 21 22 24 26 28 32 33 37 39 42 44 47 48 52 56 64 66 74 77 78 84 88 91 94 96 104 111 112 128 132 141 143 148 154 156 168 176 182 188 192 208 222 224 231 256 259 264 273 282 286 296 308 312 329 336 352 364 376 384 407 416 429 444 448 462 481 512 517 518 528 546 564 572 592 611 616 624 658 672 704 728 752 768 777 814 832 858 888 896 924 962 987 1001 1024 1034 1036 1056 1092 1128 1144 1184 1221 1222 1232 1248 1316 1344 1408 1443 1456 1504 1536 1551 1554 1628 1664 1716 1739 1776 1792 1833 1848 1924 1974 2002 2048 2068 2072 2112 2184 2256 2288 2368 2442 2444 2464 2496 2632 2688 2816 2849 2886 2912 3003 3008 3072 3102 3108 3256 3328 3367 3432 3478 3552 3584 3619 3666 3696 3848 3948 4004 4096 4136 4144 4224 4277 4368 4512 4576 4736 4884 4888 4928 4992 5217 5264 5291 5376 5632 5698 5772 5824 6006 6016 6144 6204 6216 6512 6656 6721 6734 6864 6956 7104 7168 7238 7332 7392 7696 7896 8008 8272 8288 8448 8547 8554 8736 9024 9152 9472 9768 9776 9856 9984 10101 10434 10528 10582 10752 10857 11264 11396 11544 11648 12012 12032 12173 12288 12408 12432 12831 13024 13312 13442 13468 13728 13912 14208 14336 14476 14664 14784 15392 15792 15873 16016 16544 16576 16896 17094 17108 17472 18048 18304 18944 19129 19536 19552 19712 19968 20163 20202 20868 21056 21164 21504 21714 22528 22607 22792 23088 23296 24024 24064 24346 24816 24864 25662 26048 26624 26884 26936 27456 27824 28416 28672 28952 29328 29568 30784 31584 31746 32032 33088 33152 33792 34188 34216 34944 36096 36519 36608 37037 37888 38258 39072 39104 39424 39936 40326 40404 41736 42112 42328 43008 43428 45056 45214 45584 46176 46592 47047 48048 48128 48692 49632 49728 51324 52096 53248 53768 53872 54912 55648 56832 57387 57904 58656 59136 61568 63168 63492 64064 66176 66304 67584 67821 68376 68432 69888 72192 73038 73216 74074 75776 76516 78144 78208 78848 79872 80652 80808 83472 84224 84656 86016 86856 90428 91168 92352 93184 94094 96096 96256 97384 99264 99456 102648 104192 107536 107744 109824 111111 111296 113664 114774 115808 117312 118272 123136 126336 126984 128128 132352 132608 133903 135168 135642 136752 136864 139776 141141 144384 146076 146432 148148 151552 153032 156288 156416 157696 158249 159744 161304 161616 166944 168448 169312 173712 180856 182336 184704 186368 188188 192192 192512 194768 198528 198912 205296 208384 215072 215488 219648 222222 222592 227328 229548 231616 234624 236544 246272 248677 252672 253968 256256 264704 265216 267806 271284 273504 273728 279552 282282 288768 292152 292864 296296 306064 312576 312832 315392 316498 322608 323232 333888 336896 338624 347424 361712 364672 369408 372736 376376 384384 389536 397056 397824 401709 410592 416768 430144 430976 439296 444444 445184 454656 459096 463232 469248 473088 474747 492544 497354 505344 507936 512512 529408 530432 535612 542568 547008 547456 559104 564564 577536 584304 585728 592592 612128 625152 625664 632996 645216 646464 667776 673792 677248 694848 723424 729344 738816 746031 752752 768768 779072 794112 795648 803418 821184 833536 860288 861952 878592 888888 890368 918192 926464 938496 946176 949494 985088 994708 1010688 1015872 1025024 1058816 1060864 1071224 1085136 1094016 1094912 1118208 1129128 1168608 1185184 1224256 1250304 1251328 1265992 1290432 1292928 1335552 1347584 1354496 1389696 1446848 1458688 1477632 1492062 1505504 1537536 1558144 1588224 1591296 1606836 1642368 1667072 1720576 1723904 1740739 1757184 1777776 1780736 1836384 1852928 1876992 1898988 1970176 1989416 2021376 2031744 2050048 2117632 2142448 2170272 2188032 2189824 2258256 2337216 2370368 2448512 2500608 2502656 2531984 2580864 2585856 2671104 2708992 2779392 2893696 2917376 2955264 2984124 3011008 3075072 3116288 3176448 3182592 3213672 3284736 3441152 3447808 3481478 3555552 3561472 3672768 3705856 3753984 3797976 3978832 4042752 4063488 4100096 4284896 4340544 4376064 4379648 4516512 4674432 4740736 4897024 5001216 5063968 5161728 5171712 5222217 5342208 5417984 5558784 5787392 5834752 5910528 5968248 6022016 6150144 6232576 6352896 6427344 6569472 6882304 6895616 6962956 7111104 7122944 7345536 7411712 7507968 7595952 7957664 8126976 8569792 8681088 8752128 8759296 9033024 9348864 9481472 9794048 10127936 10323456 10343424 10444434 10684416 10835968 11117568 11574784 11669504 11936496 12044032 12300288 12465152 12854688 13138944 13764608 13791232 13925912 14222208 14691072 14823424 15191904 15915328 16253952 17139584 17362176 17504256 17518592 18066048 18697728 18962944 19588096 20255872 20646912 20686848 20888868 21368832 21671936 22235136 23149568 23872992 24088064 24930304 25709376 26277888 27529216 27851824 28444416 29382144 30383808 31830656 32507904 34279168 34724352 35008512 36132096 37395456 37925888 39176192 40511744 41293824 41373696 41777736 44470272 46299136 47745984 48176128 49860608 51418752 52555776 55703648 56888832 58764288 60767616 63661312 65015808 68558336 69448704 72264192 74790912 75851776 78352384 81023488 82587648 83555472 92598272 95491968 96352256 102837504 111407296 113777664 117528576 121535232 127322624 137116672 138897408 144528384 149581824 151703552 162046976 167110944 190983936 192704512 205675008 222814592 227555328 235057152 243070464 254645248 274233344 277794816 289056768 324093952 334221888 381967872 411350016 445629184 455110656 486140928 509290496 548466688 578113536 648187904 668443776 763935744 822700032 891258368 972281856 1018580992 1336887552 1527871488 1645400064 1782516736 1944563712 2673775104 3055742976 3565033472 5347550208 7130066944 10695100416 21390200832
• Sum of all divisors σ(n): 80319504384
• Sum of proper divisors (its aliquot sum) s(n): 58929303552
• 21390200832 is an abundant number, because the sum of its proper divisors (58929303552) is greater than itself. Its abundance is 37539102720

Bases of 21390200832

• Binary: 10011111010111101001001000000000000₂
• Hexadecimal: 0x4FAF49000
• Base-36: 9TR68LC

Squares and roots of 21390200832

• 21390200832 squared (21390200832²) is 457540691633293492224
• 21390200832 cubed (21390200832³) is 9786887282848329896269990330368
• The square root of 21390200832 is 146253.8916815549
• The cube root of 21390200832 is 2775.9072685071

Scales and comparisons

• 21,390,200,832 seconds is equal to 680 years, 7 weeks, 2 days, 18 hours, 27 minutes, 12 seconds.
• To count from 1 to 21,390,200,832 would take you about one thousand, three hundred sixty 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 21390200832 cubic inches would be around 231.3 feet tall.

Recreational maths with 21390200832

• 21390200832 backwards is 23800209312
• The number of decimal digits it has is: 11
• The sum of 21390200832's digits is 30
• More coming soon!