21091012320
21,091,012,320 is an even composite number composed of seven prime numbers multiplied together.
21091012320 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 21091012320:
25 × 3 × 5 × 7 × 19 × 37 × 8929
(2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 19 × 37 × 8929)See below for interesting mathematical facts about the number 21091012320 from the Numbermatics database.
Names of 21091012320
- Cardinal: 21091012320 can be written as Twenty-one billion, ninety-one million, twelve thousand, three hundred twenty.
Scientific notation
- Scientific notation: 2.109101232 × 1010
Factors of 21091012320
Divisors of 21091012320
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 19 20 21 24 28 30 32 35 37 38 40 42 48 56 57 60 70 74 76 80 84 95 96 105 111 112 114 120 133 140 148 152 160 168 185 190 210 222 224 228 240 259 266 280 285 296 304 336 370 380 399 420 444 456 480 518 532 555 560 570 592 608 665 672 703 740 760 777 798 840 888 912 1036 1064 1110 1120 1140 1184 1295 1330 1406 1480 1520 1554 1596 1680 1776 1824 1995 2072 2109 2128 2220 2280 2590 2660 2812 2960 3040 3108 3192 3360 3515 3552 3885 3990 4144 4218 4256 4440 4560 4921 5180 5320 5624 5920 6216 6384 7030 7770 7980 8288 8436 8880 8929 9120 9842 10360 10545 10640 11248 12432 12768 14060 14763 15540 15960 16872 17760 17858 19684 20720 21090 21280 22496 24605 24864 26787 28120 29526 31080 31920 33744 35716 39368 41440 42180 44645 49210 53574 56240 59052 62160 62503 63840 67488 71432 73815 78736 84360 89290 98420 107148 112480 118104 124320 125006 133935 142864 147630 157472 168720 169651 178580 187509 196840 214296 236208 250012 267870 285728 295260 312515 330373 337440 339302 357160 375018 393680 428592 472416 500024 508953 535740 590520 625030 660746 678604 714320 750036 787360 848255 857184 937545 991119 1000048 1017906 1071480 1181040 1187557 1250060 1321492 1357208 1428640 1500072 1651865 1696510 1875090 1982238 2000096 2035812 2142960 2312611 2362080 2375114 2500120 2544765 2642984 2714416 3000144 3303730 3393020 3562671 3750180 3964476 4071624 4285920 4625222 4750228 4955595 5000240 5089530 5285968 5428832 5937785 6000288 6277087 6607460 6786040 6937833 7125342 7500360 7928952 8143248 9250444 9500456 9911190 10000480 10179060 10571936 11563055 11875570 12554174 13214920 13572080 13875666 14250684 15000720 15857904 16286496 17813355 18500888 18831261 19000912 19822380 20358120 23126110 23751140 25108348 26429840 27144160 27751332 28501368 30001440 31385435 31715808 34689165 35626710 37001776 37662522 38001824 39644760 40716240 43939609 46252220 47502280 50216696 52859680 55502664 57002736 62770870 69378330 71253420 74003552 75325044 79289520 81432480 87879218 92504440 94156305 95004560 100433392 111005328 114005472 125541740 131818827 138756660 142506840 150650088 158579040 175758436 185008880 188312610 190009120 200866784 219698045 222010656 251083480 263637654 277513320 285013680 301300176 351516872 370017760 376625220 439396090 502166960 527275308 555026640 570027360 602600352 659094135 703033744 753250440 878792180 1004333920 1054550616 1110053280 1318188270 1406067488 1506500880 1757584360 2109101232 2636376540 3013001760 3515168720 4218202464 5272753080 7030337440 10545506160 21091012320
- Sum of all divisors σ(n): 82093132800
- Sum of proper divisors (its aliquot sum) s(n): 61002120480
- 21091012320 is an abundant number, because the sum of its proper divisors (61002120480) is greater than itself. Its abundance is 39911108160
Bases of 21091012320
- Binary: 100111010010001111101001110111000002
- Hexadecimal: 0x4E91F4EE0
- Base-36: 9OT1L9C
Squares and roots of 21091012320
- 21091012320 squared (210910123202) is 444830800682391782400
- 21091012320 cubed (210910123203) is 9381931897507789489665159168000
-
The
square root of 21091012320 is 145227.4502978001 -
The
cube root of 21091012320 is 2762.9040845941
Scales and comparisons
How big is 21091012320?- 21,091,012,320 seconds is equal to 670 years, 32 weeks, 4 days, 22 hours, 32 minutes.
-
To count from 1 to 21,091,012,320 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 21091012320 cubic inches would be around 230.2 feet tall.
Recreational maths with 21091012320
- 21091012320 backwards is 02321019012
- 21091012320 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21091012320's digits is 21
- More coming soon!
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The information we have on file for 21091012320 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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