21027105792

Names of 21027105792

• Cardinal: 21027105792 can be written as Twenty-one billion, twenty-seven million, one hundred five thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 2.1027105792 × 10¹⁰

Factors of 21027105792

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 123

Divisors of 21027105792

• Number of divisors d(n): 1056
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 17 18 21 22 24 27 28 32 33 34 36 42 44 48 49 51 54 56 63 64 66 68 72 77 83 84 88 96 98 99 102 108 112 119 126 128 132 136 144 147 153 154 166 168 176 187 189 192 196 198 204 216 224 231 238 249 252 256 264 272 288 294 297 306 308 332 336 352 357 374 378 384 392 396 408 432 441 448 459 462 476 498 504 512 528 539 544 561 576 581 588 594 612 616 664 672 693 704 714 747 748 756 768 784 792 816 833 864 882 896 913 918 924 952 996 1008 1024 1056 1071 1078 1088 1122 1152 1162 1176 1188 1224 1232 1309 1323 1328 1344 1386 1408 1411 1428 1494 1496 1512 1536 1568 1584 1617 1632 1666 1683 1728 1743 1764 1792 1826 1836 1848 1904 1992 2016 2079 2112 2142 2156 2176 2241 2244 2304 2324 2352 2376 2448 2464 2499 2618 2646 2656 2688 2739 2772 2816 2822 2856 2988 2992 3024 3072 3136 3168 3213 3234 3264 3332 3366 3456 3486 3528 3584 3652 3672 3696 3808 3927 3984 4032 4067 4158 4224 4233 4284 4312 4352 4482 4488 4608 4648 4704 4752 4851 4896 4928 4998 5049 5229 5236 5292 5312 5376 5478 5544 5632 5644 5712 5976 5984 6048 6272 6336 6391 6426 6468 6528 6664 6732 6912 6972 7056 7168 7304 7344 7392 7497 7616 7854 7968 8064 8134 8217 8316 8448 8466 8568 8624 8704 8964 8976 9163 9216 9296 9408 9504 9702 9792 9856 9877 9996 10098 10458 10472 10584 10624 10752 10956 11088 11264 11288 11424 11781 11952 11968 12096 12201 12544 12672 12699 12782 12852 12936 13056 13328 13464 13824 13944 14112 14553 14608 14688 14784 14994 15232 15521 15687 15708 15936 16128 16268 16434 16632 16896 16932 17136 17248 17408 17928 17952 18326 18592 18816 19008 19173 19404 19584 19712 19754 19992 20196 20916 20944 21168 21248 21504 21912 22176 22491 22576 22848 23562 23904 23936 24192 24402 24651 25088 25344 25398 25564 25704 25872 26112 26656 26928 27489 27648 27888 28224 29106 29216 29376 29568 29631 29988 30464 31042 31374 31416 31872 32256 32536 32868 33264 33792 33864 34272 34496 35343 35856 35904 36603 36652 37184 37632 38016 38097 38346 38808 39168 39424 39508 39984 40392 41832 41888 42336 42496 43824 44352 44737 44982 45152 45696 46563 47124 47808 47872 48384 48804 49302 50176 50688 50796 51128 51408 51744 52224 53312 53856 54978 55776 56448 57519 58212 58432 58752 59136 59262 59976 60928 62084 62748 62832 63744 64512 65072 65736 66528 67728 68544 68992 69139 70686 71712 71808 73206 73304 74368 75264 76032 76194 76692 77616 78336 78848 79016 79968 80784 82467 83664 83776 84672 84992 87648 88704 88893 89474 89964 90304 91392 93126 94248 95616 95744 96768 97608 98604 101376 101592 102256 102816 103488 106624 107712 108647 109809 109956 111552 112896 115038 116424 116864 117504 118272 118524 119952 121856 124168 125496 125664 127488 130144 131472 133056 134211 135456 137088 137984 138278 139689 141372 143424 143616 146412 146608 148736 150528 152064 152388 153384 155232 156672 158032 159936 161568 164934 167328 167552 169344 172557 175296 177408 177786 178948 179928 180608 182784 186252 188496 191232 191488 193536 195216 197208 203184 204512 205632 206976 207417 213248 215424 217294 219618 219912 223104 225792 230076 232848 233728 235008 236544 237048 239904 247401 248336 250992 251328 254976 260288 262944 266112 266679 268422 270912 274176 275968 276556 279378 282744 286848 287232 292824 293216 297472 304128 304776 306768 310464 316064 319872 323136 325941 329868 334656 335104 338688 345114 350592 354816 355572 357896 359856 361216 365568 372504 376992 382464 390432 394416 402633 406368 409024 411264 413952 414834 419067 426496 430848 434588 439236 439824 446208 451584 460152 465696 467456 470016 474096 479808 494802 496672 501984 502656 520576 525888 532224 533358 536844 541824 548352 551936 553112 558756 565488 573696 574464 585648 586432 594944 609552 613536 620928 622251 632128 639744 646272 651882 659736 669312 670208 677376 690228 701184 709632 711144 715792 719712 722432 745008 753984 760529 764928 780864 788832 805266 812736 818048 822528 827904 829668 838134 852992 861696 869176 878472 879648 892416 920304 931392 934912 948192 959616 977823 989604 993344 1003968 1005312 1041152 1051776 1064448 1066716 1073688 1083648 1096704 1106224 1117512 1130976 1147392 1171296 1172864 1207899 1219104 1227072 1241856 1244502 1264256 1279488 1292544 1303764 1319472 1338624 1340416 1354752 1380456 1402368 1422288 1431584 1439424 1444864 1490016 1507968 1521058 1561728 1577664 1610532 1625472 1636096 1645056 1655808 1659336 1676268 1723392 1738352 1756944 1759296 1784832 1840608 1862784 1866753 1896384 1919232 1955646 1979208 1986688 2007936 2010624 2082304 2103552 2128896 2133432 2147376 2167296 2212448 2235024 2261952 2281587 2294784 2342592 2345728 2415798 2438208 2454144 2483712 2489004 2528512 2558976 2585088 2607528 2638944 2677248 2760912 2804736 2844576 2863168 2878848 2933469 2980032 3015936 3042116 3123456 3155328 3221064 3250944 3272192 3290112 3318672 3352536 3476704 3513888 3518592 3681216 3725568 3733506 3792768 3838464 3911292 3958416 3973376 4015872 4021248 4164608 4207104 4266864 4294752 4334592 4424896 4470048 4523904 4563174 4685184 4691456 4831596 4876416 4908288 4967424 4978008 5057024 5170176 5215056 5277888 5354496 5521824 5689152 5726336 5757696 5866938 5960064 6031872 6084232 6246912 6310656 6442128 6501888 6544384 6637344 6705072 6844761 6953408 7027776 7037184 7362432 7451136 7467012 7585536 7676928 7822584 7916832 7946752 8031744 8414208 8533728 8589504 8849792 8940096 9047808 9126348 9370368 9382912 9663192 9752832 9816576 9956016 10114048 10430112 10555776 11043648 11378304 11452672 11515392 11733876 11920128 12063744 12168464 12493824 12621312 12884256 13003776 13274688 13410144 13689522 13906816 14055552 14074368 14724864 14902272 14934024 15171072 15645168 15833664 15893504 16063488 17067456 17179008 17699584 17880192 18095616 18252696 18740736 19326384 19505664 19633152 19912032 20534283 20860224 21111552 22087296 22756608 22905344 23030784 23467752 23840256 24336928 25242624 25768512 26549376 26820288 27379044 27813632 28111104 28148736 29449728 29868048 30342144 31290336 31667328 34134912 34358016 35399168 35760384 36191232 36505392 37481472 38652768 39011328 39824064 41068566 41720448 42223104 44174592 45513216 45810688 46935504 47680512 48673856 51537024 53098752 53640576 54758088 55627264 56222208 58899456 59736096 62580672 63334656 68269824 68716032 70798336 71520768 73010784 77305536 79648128 82137132 83440896 84446208 88349184 91026432 93871008 97347712 103074048 106197504 107281152 109516176 111254528 112444416 119472192 125161344 126669312 136539648 137432064 143041536 146021568 154611072 159296256 164274264 166881792 176698368 187742016 194695424 206148096 212395008 214562304 219032352 238944384 250322688 253338624 273079296 292043136 309222144 318592512 328548528 333763584 375484032 389390848 412296192 429124608 438064704 477888768 500645376 584086272 618444288 637185024 657097056 750968064 778781696 876129408 955777536 1001290752 1168172544 1236888576 1314194112 1501936128 1752258816 1911555072 2336345088 2628388224 3003872256 3504517632 5256776448 7009035264 10513552896 21027105792
• Sum of all divisors σ(n): 84680951040
• Sum of proper divisors (its aliquot sum) s(n): 63653845248
• 21027105792 is an abundant number, because the sum of its proper divisors (63653845248) is greater than itself. Its abundance is 42626739456

Bases of 21027105792

• Binary: 10011100101010100000010110000000000₂
• Hexadecimal: 0x4E5502C00
• Base-36: 9NQZUO0

Squares and roots of 21027105792

• 21027105792 squared (21027105792²) is 442139177987959947264
• 21027105792 cubed (21027105792³) is 9296907270340751513378868953088
• The square root of 21027105792 is 145007.2611699153
• The cube root of 21027105792 is 2760.1106949931

Scales and comparisons

• 21,027,105,792 seconds is equal to 668 years, 31 weeks, 6 hours, 43 minutes, 12 seconds.
• To count from 1 to 21,027,105,792 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 21027105792 cubic inches would be around 230 feet tall.

Recreational maths with 21027105792

• 21027105792 backwards is 29750172012
• 21027105792 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21027105792's digits is 36
• More coming soon!