21088094720

Names of 21088094720

• Cardinal: 21088094720 can be written as Twenty-one billion, eighty-eight million, ninety-four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.108809472 × 10¹⁰

Factors of 21088094720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 102

Divisors of 21088094720

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 17 20 22 28 29 31 32 34 35 40 44 49 55 56 58 62 64 68 70 77 80 85 88 98 110 112 116 119 124 128 136 140 145 154 155 160 170 176 187 196 203 217 220 224 232 238 245 248 256 272 280 290 308 310 319 320 340 341 352 374 385 392 406 434 440 448 464 476 490 493 496 512 527 539 544 560 580 595 616 620 638 640 680 682 704 748 770 784 812 833 868 880 896 899 928 935 952 980 986 992 1015 1054 1078 1085 1088 1120 1160 1190 1232 1240 1276 1280 1309 1360 1364 1408 1421 1496 1519 1540 1568 1595 1624 1666 1705 1736 1760 1792 1798 1856 1870 1904 1960 1972 1984 2030 2108 2156 2170 2176 2233 2240 2320 2380 2387 2464 2465 2480 2552 2560 2618 2635 2695 2720 2728 2816 2842 2992 3038 3080 3136 3190 3248 3332 3410 3451 3472 3520 3584 3596 3689 3712 3740 3808 3920 3944 3968 4060 4165 4216 4312 4340 4352 4466 4480 4495 4640 4760 4774 4928 4930 4960 5104 5236 5270 5390 5423 5440 5456 5632 5684 5797 5984 6076 6160 6272 6293 6380 6496 6545 6664 6820 6902 6944 7040 7105 7192 7378 7424 7480 7595 7616 7840 7888 7936 8120 8330 8432 8624 8680 8704 8932 8960 8990 9163 9280 9520 9548 9856 9860 9889 9920 10208 10472 10540 10780 10846 10880 10912 11165 11368 11594 11935 11968 12152 12320 12544 12586 12760 12992 13090 13328 13640 13804 13888 14080 14210 14384 14756 14848 14960 15190 15232 15283 15631 15680 15776 15872 16240 16660 16709 16864 17248 17255 17360 17864 17920 17980 18326 18445 18560 19040 19096 19712 19720 19778 19840 20416 20944 21080 21560 21692 21760 21824 22330 22736 23188 23870 23936 24157 24304 24640 25088 25172 25520 25823 25984 26180 26656 27115 27280 27608 27776 28160 28420 28768 28985 29512 29920 30380 30464 30566 31262 31360 31465 31552 32480 33320 33418 33728 34496 34510 34720 35728 35960 36652 36890 37120 37961 38080 38192 39424 39440 39556 39680 40579 40832 41888 42160 43120 43384 43520 43648 44051 44660 45472 45815 46376 47740 47872 48314 48608 49280 49445 50344 51040 51646 51968 52360 53312 54230 54560 55216 55552 56840 57536 57970 59024 59840 60760 60928 61132 62524 62720 62930 63104 64960 66640 66836 67456 68992 69020 69223 69440 71456 71920 73304 73780 74240 75922 76160 76384 76415 78155 78880 79112 79360 81158 81664 83545 83776 84320 86240 86768 87296 88102 89320 90944 91630 92752 95480 95744 96628 97216 98560 98890 100688 102080 103292 103936 104720 106624 106981 108460 109120 110432 111104 113680 115072 115940 118048 119680 120785 121520 122264 125048 125440 125860 126208 129115 129920 133280 133672 134912 137984 138040 138446 138880 142912 143840 146608 147560 151844 152320 152768 152830 156310 157760 158224 162316 163328 167090 167552 168113 168640 172480 173536 174592 176204 178640 181888 183260 185504 189805 190960 193256 194432 197120 197780 201376 202895 204160 206584 209440 213248 213962 216920 218240 220255 220864 227360 230144 231880 236096 239360 241570 243040 244528 250096 251720 252416 258230 259840 265727 266560 267344 269824 275968 276080 276892 277760 284053 285824 287680 293216 295120 303688 304640 305536 305660 312620 315520 316448 324632 334180 335104 336226 337280 344960 346115 347072 352408 357280 363776 366520 371008 379610 381920 386512 388864 395560 402752 405790 408320 413168 418880 426496 427924 433840 436480 440510 441728 454720 460288 463760 472192 478720 483140 484561 486080 489056 500192 503440 516460 519680 531454 533120 534688 534905 552160 553784 555520 568106 571648 575360 586432 590240 607376 611072 611320 625240 631040 632896 649264 668360 670208 672452 674560 689920 692230 694144 704816 714560 727552 733040 742016 748867 759220 763840 773024 777728 791120 805504 811580 816640 826336 837760 840565 855848 867680 872960 881020 883456 909440 927520 944384 966280 969122 972160 978112 1000384 1006880 1032920 1062908 1066240 1069376 1069810 1104320 1107568 1136212 1143296 1150720 1172864 1176791 1180480 1214752 1222144 1222640 1250480 1262080 1265792 1298528 1328635 1336720 1344904 1349120 1379840 1384460 1388288 1409632 1420265 1429120 1466080 1484032 1497734 1518440 1527680 1546048 1582240 1611008 1623160 1652672 1675520 1681130 1711696 1735360 1762040 1766912 1818880 1855040 1888768 1932560 1938244 1944320 1956224 2000768 2013760 2065840 2125816 2132480 2138752 2139620 2208640 2215136 2272424 2301440 2345728 2353582 2360960 2422805 2429504 2445280 2500960 2531584 2597056 2657270 2673440 2689808 2768920 2776576 2819264 2840530 2858240 2932160 2968064 2995468 3036880 3055360 3092096 3164480 3222016 3246320 3305344 3351040 3362260 3423392 3470720 3524080 3637760 3710080 3744335 3865120 3876488 3888640 3912448 4001536 4027520 4131680 4251632 4277504 4279240 4417280 4430272 4544848 4691456 4707164 4721920 4845610 4859008 4890560 5001920 5063168 5194112 5314540 5346880 5379616 5537840 5638528 5681060 5716480 5864320 5883955 5990936 6073760 6110720 6184192 6328960 6492640 6610688 6724520 6846784 6941440 7048160 7420160 7488670 7730240 7752976 7824896 8003072 8055040 8237537 8263360 8503264 8555008 8558480 8834560 8860544 9089696 9414328 9443840 9691220 9718016 9781120 10003840 10388224 10629080 10693760 10759232 11075680 11277056 11362120 11728640 11767910 11981872 12147520 12368384 12657920 12985280 13221376 13449040 13693568 13882880 14096320 14840320 14977340 15460480 15505952 16110080 16475074 16526720 17006528 17116960 17721088 18179392 18828656 19382440 19436032 19562240 20007680 20776448 21258160 21387520 21518464 22151360 22554112 22724240 23457280 23535820 23963744 24295040 25315840 25970560 26898080 27387136 28192640 29954680 30920960 31011904 32950148 33053440 34013056 34233920 35442176 36358784 37657312 38764880 39124480 40015360 41187685 42516320 42775040 43036928 44302720 45448480 47071640 47927488 48590080 51941120 53796160 54774272 56385280 59909360 61841920 62023808 65900296 66106880 68026112 68467840 72717568 75314624 77529760 82375370 85032640 86073856 88605440 90896960 94143280 95854976 97180160 103882240 107592320 112770560 119818720 124047616 131800592 136052224 136935680 145435136 150629248 155059520 164750740 170065280 177210880 181793920 188286560 191709952 215184640 239637440 248095232 263601184 273871360 301258496 310119040 329501480 340130560 363587840 376573120 383419904 430369280 479274880 527202368 602516992 620238080 659002960 680261120 727175680 753146240 958549760 1054404736 1240476160 1318005920 1506292480 1917099520 2108809472 2636011840 3012584960 4217618944 5272023680 10544047360 21088094720
• Sum of all divisors σ(n): 72548213760
• Sum of proper divisors (its aliquot sum) s(n): 51460119040
• 21088094720 is an abundant number, because the sum of its proper divisors (51460119040) is greater than itself. Its abundance is 30372024320

Bases of 21088094720

• Binary: 10011101000111100101100101000000000₂
• Hexadecimal: 0x4E8F2CA00
• Base-36: 9ORB20W

Squares and roots of 21088094720

• 21088094720 squared (21088094720²) is 444707738919691878400
• 21088094720 cubed (21088094720³) is 9378038921055492804913922048000
• The square root of 21088094720 is 145217.4050174425
• The cube root of 21088094720 is 2762.7766777067

Scales and comparisons

• 21,088,094,720 seconds is equal to 670 years, 27 weeks, 6 days, 4 hours, 5 minutes, 20 seconds.
• To count from 1 to 21,088,094,720 would take you about one thousand, three hundred forty-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 21088094720 cubic inches would be around 230.2 feet tall.

Recreational maths with 21088094720

• 21088094720 backwards is 02749088012
• The number of decimal digits it has is: 11
• The sum of 21088094720's digits is 41
• More coming soon!