21125320320
21,125,320,320 is an even composite number composed of six prime numbers multiplied together.
21125320320 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 21125320320:
27 × 3 × 5 × 13 × 331 × 2557
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 13 × 331 × 2557)See below for interesting mathematical facts about the number 21125320320 from the Numbermatics database.
Names of 21125320320
- Cardinal: 21125320320 can be written as Twenty-one billion, one hundred twenty-five million, three hundred twenty thousand, three hundred twenty.
Scientific notation
- Scientific notation: 2.112532032 × 1010
Factors of 21125320320
Divisors of 21125320320
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 64 65 78 80 96 104 120 128 130 156 160 192 195 208 240 260 312 320 331 384 390 416 480 520 624 640 662 780 832 960 993 1040 1248 1324 1560 1655 1664 1920 1986 2080 2496 2557 2648 3120 3310 3972 4160 4303 4965 4992 5114 5296 6240 6620 7671 7944 8320 8606 9930 10228 10592 12480 12785 12909 13240 15342 15888 17212 19860 20456 21184 21515 24960 25570 25818 26480 30684 31776 33241 34424 38355 39720 40912 42368 43030 51140 51636 52960 61368 63552 64545 66482 68848 76710 79440 81824 86060 99723 102280 103272 105920 122736 127104 129090 132964 137696 153420 158880 163648 166205 172120 199446 204560 206544 211840 245472 258180 265928 275392 306840 317760 327296 332410 344240 398892 409120 413088 490944 498615 516360 531856 550784 613680 635520 664820 688480 797784 818240 826176 846367 981888 997230 1032720 1063712 1227360 1329640 1376960 1595568 1636480 1652352 1692734 1994460 2065440 2127424 2454720 2539101 2659280 2753920 3191136 3385468 3988920 4130880 4231835 4254848 4909440 5078202 5318560 6382272 6770936 7977840 8261760 8463670 10156404 10637120 11002771 12695505 12764544 13541872 15955680 16927340 20312808 21274240 22005542 25391010 27083744 31911360 33008313 33854680 40625616 44011084 50782020 54167488 55013855 63822720 66016626 67709360 81251232 88022168 101564040 108334976 110027710 132033252 135418720 162502464 165041565 176044336 203128080 220055420 264066504 270837440 325004928 330083130 352088672 406256160 440110840 528133008 541674880 660166260 704177344 812512320 880221680 1056266016 1320332520 1408354688 1625024640 1760443360 2112532032 2640665040 3520886720 4225064064 5281330080 7041773440 10562660160 21125320320
- Sum of all divisors σ(n): 72764254080
- Sum of proper divisors (its aliquot sum) s(n): 51638933760
- 21125320320 is an abundant number, because the sum of its proper divisors (51638933760) is greater than itself. Its abundance is 30513613440
Bases of 21125320320
- Binary: 100111010110010101011001110100000002
- Hexadecimal: 0x4EB2ACE80
- Base-36: 9PDGXHC
Squares and roots of 21125320320
- 21125320320 squared (211253203202) is 446279158622604902400
- 21125320320 cubed (211253203203) is 9427790178042618556002336768000
-
The
square root of 21125320320 is 145345.5204676085 -
The
cube root of 21125320320 is 2764.4013789751
Scales and comparisons
How big is 21125320320?- 21,125,320,320 seconds is equal to 671 years, 37 weeks, 3 days, 32 minutes.
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To count from 1 to 21,125,320,320 would take you about one thousand, three hundred forty-three 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 21125320320 cubic inches would be around 230.4 feet tall.
Recreational maths with 21125320320
- 21125320320 backwards is 02302352112
- The number of decimal digits it has is: 11
- The sum of 21125320320's digits is 21
- More coming soon!
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