21473410728
21,473,410,728 is an even composite number composed of six prime numbers multiplied together.
21473410728 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21473410728:
23 × 3 × 74 × 11 × 19 × 1783
(2 × 2 × 2 × 3 × 7 × 7 × 7 × 7 × 11 × 19 × 1783)See below for interesting mathematical facts about the number 21473410728 from the Numbermatics database.
Names of 21473410728
- Cardinal: 21473410728 can be written as Twenty-one billion, four hundred seventy-three million, four hundred ten thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 2.1473410728 × 1010
Factors of 21473410728
Divisors of 21473410728
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 6 7 8 11 12 14 19 21 22 24 28 33 38 42 44 49 56 57 66 76 77 84 88 98 114 132 133 147 152 154 168 196 209 228 231 264 266 294 308 343 392 399 418 456 462 532 539 588 616 627 686 798 836 924 931 1029 1064 1078 1176 1254 1372 1463 1596 1617 1672 1783 1848 1862 2058 2156 2401 2508 2744 2793 2926 3192 3234 3566 3724 3773 4116 4312 4389 4802 5016 5349 5586 5852 6468 6517 7132 7203 7448 7546 8232 8778 9604 10241 10698 11172 11319 11704 12481 12936 13034 14264 14406 15092 17556 19208 19551 19613 20482 21396 22344 22638 24962 26068 26411 28812 30184 30723 33877 35112 37443 39102 39226 40964 42792 45276 45619 49924 52136 52822 57624 58839 61446 67754 71687 74886 78204 78452 79233 81928 87367 90552 91238 99848 101631 105644 117678 122892 135508 136857 137291 143374 149772 156408 156904 158466 174734 182476 203262 211288 215061 235356 237139 245784 262101 271016 273714 274582 286748 299544 316932 349468 364952 372647 406524 411873 430122 470712 474278 501809 524202 547428 549164 573496 611569 633864 698936 711417 745294 813048 823746 860244 948556 961037 1003618 1048404 1094856 1098328 1117941 1223138 1422834 1490588 1505427 1647492 1659973 1720488 1834707 1897112 1922074 2007236 2096808 2235882 2446276 2608529 2845668 2883111 2981176 3010854 3294984 3319946 3669414 3844148 4014472 4280983 4471764 4892552 4979919 5217058 5691336 5766222 6021708 6639892 6727259 7338828 7688296 7825587 8561966 8943528 9959838 10434116 11532444 11619811 12043416 12842949 13279784 13454518 14677656 15651174 17123932 18259703 19919676 20181777 20868232 23064888 23239622 25685898 26909036 31302348 34247864 34859433 36519406 39839352 40363554 46479244 47090813 51371796 53818072 54779109 62604696 69718866 73038812 80727108 81338677 92958488 94181626 102743592 109558218 127817921 139437732 141272439 146077624 161454216 162677354 188363252 219116436 244016031 255635842 278875464 282544878 325354708 376726504 383453763 438232872 488032062 511271684 565089756 650709416 766907526 894725447 976064124 1022543368 1130179512 1533815052 1789450894 1952128248 2684176341 3067630104 3578901788 5368352682 7157803576 10736705364 21473410728
- Sum of all divisors σ(n): 71956569600
- Sum of proper divisors (its aliquot sum) s(n): 50483158872
- 21473410728 is an abundant number, because the sum of its proper divisors (50483158872) is greater than itself. Its abundance is 29009748144
Bases of 21473410728
- Binary: 100111111111110101000111110101010002
- Hexadecimal: 0x4FFEA3EA8
- Base-36: 9V4PPRC
Squares and roots of 21473410728
- 21473410728 squared (214734107282) is 461107368293385489984
- 21473410728 cubed (214734107283) is 9901547909071031032061962148352
-
The
square root of 21473410728 is 146538.0862711125 -
The
cube root of 21473410728 is 2779.5021246659
Scales and comparisons
How big is 21473410728?- 21,473,410,728 seconds is equal to 682 years, 40 weeks, 6 days, 20 hours, 18 minutes, 48 seconds.
-
To count from 1 to 21,473,410,728 would take you about one thousand, three hundred sixty-five 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 21473410728 cubic inches would be around 231.6 feet tall.
Recreational maths with 21473410728
- 21473410728 backwards is 82701437412
- The number of decimal digits it has is: 11
- The sum of 21473410728's digits is 39
- More coming soon!
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