21493249344

Names of 21493249344

• Cardinal: 21493249344 can be written as Twenty-one billion, four hundred ninety-three million, two hundred forty-nine thousand, three hundred forty-four.

Scientific notation

• Scientific notation: 2.1493249344 × 10¹⁰

Factors of 21493249344

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 86

Divisors of 21493249344

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 31 32 36 42 43 48 54 56 62 63 64 72 84 86 93 96 108 112 124 126 129 144 168 172 186 189 192 216 217 224 248 252 258 279 288 301 336 344 372 378 387 432 434 448 496 504 516 558 576 602 651 672 688 744 756 774 837 864 868 903 961 992 1008 1032 1116 1161 1204 1302 1333 1344 1376 1488 1512 1548 1674 1728 1736 1806 1849 1922 1953 1984 2016 2064 2232 2322 2408 2604 2666 2709 2752 2883 2976 3024 3096 3348 3472 3612 3698 3844 3906 3999 4032 4128 4464 4644 4816 5208 5332 5418 5547 5766 5859 5952 6048 6192 6696 6727 6944 7224 7396 7688 7812 7998 8127 8256 8649 8928 9288 9331 9632 10416 10664 10836 11094 11532 11718 11997 12096 12384 12943 13392 13454 13888 14448 14792 15376 15624 15996 16254 16641 17298 17856 18576 18662 19264 20181 20832 21328 21672 22188 23064 23436 23994 24768 25886 25947 26784 26908 27993 28896 29584 30752 31248 31992 32508 33282 34596 35991 37152 37324 38829 40362 41323 41664 42656 43344 44376 46128 46872 47988 49923 51772 51894 53568 53816 55986 57319 57792 59168 60543 61504 62496 63984 65016 66564 69192 71982 74304 74648 77658 80724 82646 83979 85312 86688 88752 92256 93744 95976 99846 103544 103788 107632 111972 114638 116487 118336 121086 123969 124992 127968 130032 133128 138384 143964 149296 155316 161448 165292 167958 171957 173376 177504 181629 184512 187488 191952 199692 207088 207576 215264 223944 229276 232974 242172 247938 251937 255936 260064 266256 276768 287928 289261 298592 310632 322896 330584 335916 343914 349461 355008 363258 371907 374976 383904 399384 401233 414176 415152 430528 447888 458552 465948 484344 495876 503874 515871 520128 532512 553536 575856 578522 597184 621264 645792 661168 671832 687828 698922 726516 743814 767808 798768 802466 828352 830304 867783 895776 917104 931896 968688 991752 1007748 1031742 1065024 1115721 1151712 1157044 1203699 1242528 1291584 1322336 1343664 1375656 1397844 1453032 1487628 1547613 1597536 1604932 1660608 1735566 1776889 1791552 1834208 1863792 1937376 1983504 2015496 2063484 2231442 2303424 2314088 2407398 2485056 2603349 2644672 2687328 2751312 2795688 2906064 2975256 3095226 3195072 3209864 3471132 3553778 3611097 3668416 3727584 3874752 3967008 4030992 4126968 4462884 4628176 4814796 5206698 5330667 5374656 5502624 5591376 5812128 5950512 6190452 6419728 6942264 7107556 7222194 7455168 7810047 7934016 8061984 8253936 8925768 9256352 9629592 10413396 10661334 10833291 11005248 11182752 11624256 11901024 12380904 12438223 12839456 13884528 14215112 14444388 15620094 15992001 16123968 16507872 17851536 18512704 19259184 20826792 21322668 21666582 22365504 23802048 24761808 24876446 25678912 27769056 28430224 28888776 31240188 31984002 33015744 35703072 37314669 38518368 41653584 42645336 43333164 47976003 49523616 49752892 55538112 56860448 57777552 62480376 63968004 71406144 74629338 77036736 83307168 85290672 86666328 95952006 99047232 99505784 111944007 113720896 115555104 124960752 127936008 149258676 166614336 170581344 173332656 191904012 199011568 223888014 231110208 249921504 255872016 298517352 335832021 341162688 346665312 383808024 398023136 447776028 499843008 511744032 597034704 671664042 693330624 767616048 796046272 895552056 1023488064 1194069408 1343328084 1535232096 1791104112 2388138816 2686656168 3070464192 3582208224 5373312336 7164416448 10746624672 21493249344
• Sum of all divisors σ(n): 76392999360
• Sum of proper divisors (its aliquot sum) s(n): 54899750016
• 21493249344 is an abundant number, because the sum of its proper divisors (54899750016) is greater than itself. Its abundance is 33406500672

Bases of 21493249344

• Binary: 10100000001000110001111010101000000₂
• Hexadecimal: 0x50118F540
• Base-36: 9VGIXC0

Squares and roots of 21493249344

• 21493249344 squared (21493249344²) is 461959767363356430336
• 21493249344 cubed (21493249344³) is 9929016466836853205957413699584
• The square root of 21493249344 is 146605.7616330271
• The cube root of 21493249344 is 2780.3578263763

Scales and comparisons

• 21,493,249,344 seconds is equal to 683 years, 21 weeks, 5 days, 11 hours, 2 minutes, 24 seconds.
• To count from 1 to 21,493,249,344 would take you about one thousand, three hundred sixty-six 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 21493249344 cubic inches would be around 231.7 feet tall.

Recreational maths with 21493249344

• 21493249344 backwards is 44394239412
• The number of decimal digits it has is: 11
• The sum of 21493249344's digits is 45
• More coming soon!