21308512680
21,308,512,680 is an even composite number composed of seven prime numbers multiplied together.
21308512680 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21308512680:
23 × 32 × 5 × 7 × 13 × 61 × 10663
(2 × 2 × 2 × 3 × 3 × 5 × 7 × 13 × 61 × 10663)See below for interesting mathematical facts about the number 21308512680 from the Numbermatics database.
Names of 21308512680
- Cardinal: 21308512680 can be written as Twenty-one billion, three hundred eight million, five hundred twelve thousand, six hundred eighty.
Scientific notation
- Scientific notation: 2.130851268 × 1010
Factors of 21308512680
Divisors of 21308512680
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 13 14 15 18 20 21 24 26 28 30 35 36 39 40 42 45 52 56 60 61 63 65 70 72 78 84 90 91 104 105 117 120 122 126 130 140 156 168 180 182 183 195 210 234 244 252 260 273 280 305 312 315 360 364 366 390 420 427 455 468 488 504 520 546 549 585 610 630 728 732 780 793 819 840 854 910 915 936 1092 1098 1170 1220 1260 1281 1365 1464 1560 1586 1638 1708 1820 1830 2135 2184 2196 2340 2379 2440 2520 2562 2730 2745 3172 3276 3416 3640 3660 3843 3965 4095 4270 4392 4680 4758 5124 5460 5490 5551 6344 6405 6552 7137 7320 7686 7930 8190 8540 9516 10248 10663 10920 10980 11102 11895 12810 14274 15372 15860 16380 16653 17080 19032 19215 21326 21960 22204 23790 25620 27755 28548 30744 31720 31989 32760 33306 35685 38430 42652 44408 47580 49959 51240 53315 55510 57096 63978 66612 71370 74641 76860 83265 85304 95160 95967 99918 106630 111020 127956 133224 138619 142740 149282 153720 159945 166530 191934 199836 213260 222040 223923 249795 255912 277238 285480 298564 319890 333060 373205 383868 399672 415857 426520 447846 479835 499590 554476 597128 639780 650443 666120 671769 693095 746410 767736 831714 895692 959670 970333 999180 1108952 1119615 1247571 1279560 1300886 1343538 1386190 1492820 1663428 1791384 1919340 1940666 1951329 1998360 2079285 2239230 2495142 2601772 2687076 2772380 2910999 2985640 3252215 3326856 3358845 3838680 3881332 3902658 4158570 4478460 4553101 4851665 4990284 5203544 5374152 5544760 5821998 5853987 6237855 6504430 6717690 7762664 7805316 8317140 8455759 8732997 8956920 9106202 9703330 9756645 9980568 11643996 11707974 12475710 13008860 13435380 13659303 14554995 15610632 16634280 16911518 17465994 18212404 19406660 19513290 22765505 23287992 23415948 24951420 25367277 26017720 26870760 27318606 29109990 29269935 33823036 34931988 36424808 38813320 39026580 40977909 42278795 43664985 45531010 46831896 49902840 50734554 54637212 58219980 58539870 59190313 67646072 68296515 69863976 76101831 78053160 81955818 84557590 87329970 91062020 101469108 109274424 116439960 117079740 118380626 126836385 136593030 152203662 163911636 169115180 174659940 177570939 182124040 202938216 204889545 234159480 236761252 253672770 273186060 295951565 304407324 327823272 338230360 349319880 355141878 380509155 409779090 473522504 507345540 532712817 546372120 591903130 608814648 710283756 761018310 819558180 887854695 1014691080 1065425634 1183806260 1420567512 1522036620 1639116360 1775709390 2130851268 2367612520 2663564085 3044073240 3551418780 4261702536 5327128170 7102837560 10654256340 21308512680
- Sum of all divisors σ(n): 86639454720
- Sum of proper divisors (its aliquot sum) s(n): 65330942040
- 21308512680 is an abundant number, because the sum of its proper divisors (65330942040) is greater than itself. Its abundance is 44022429360
Bases of 21308512680
- Binary: 100111101100001011000011001101010002
- Hexadecimal: 0x4F61619A8
- Base-36: 9SEJDM0
Squares and roots of 21308512680
- 21308512680 squared (213085126802) is 454052712633720782400
- 21308512680 cubed (213085126803) is 9675187984544035487349920832000
-
The
square root of 21308512680 is 145974.3562410877 -
The
cube root of 21308512680 is 2772.3690749995
Scales and comparisons
How big is 21308512680?- 21,308,512,680 seconds is equal to 677 years, 28 weeks, 2 days, 7 hours, 18 minutes.
-
To count from 1 to 21,308,512,680 would take you about one thousand, three hundred fifty-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 21308512680 cubic inches would be around 231 feet tall.
Recreational maths with 21308512680
- 21308512680 backwards is 08621580312
- 21308512680 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21308512680's digits is 36
- More coming soon!
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The information we have on file for 21308512680 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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