21125385320
21,125,385,320 is an even composite number composed of six prime numbers multiplied together.
What does the number 21125385320 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 256 divisors.
21125385320 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 21125385320:
23 × 5 × 133 × 37 × 73 × 89
(2 × 2 × 2 × 5 × 13 × 13 × 13 × 37 × 73 × 89)See below for interesting mathematical facts about the number 21125385320 from the Numbermatics database.
Names of 21125385320
- Cardinal: 21125385320 can be written as Twenty-one billion, one hundred twenty-five million, three hundred eighty-five thousand, three hundred twenty.
Scientific notation
- Scientific notation: 2.112538532 × 1010
Factors of 21125385320
Divisors of 21125385320
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 4 5 8 10 13 20 26 37 40 52 65 73 74 89 104 130 146 148 169 178 185 260 292 296 338 356 365 370 445 481 520 584 676 712 730 740 845 890 949 962 1157 1352 1460 1480 1690 1780 1898 1924 2197 2314 2405 2701 2920 3293 3380 3560 3796 3848 4394 4628 4745 4810 5402 5785 6253 6497 6586 6760 7592 8788 9256 9490 9620 10804 10985 11570 12337 12506 12994 13172 13505 15041 16465 17576 18980 19240 21608 21970 23140 24674 25012 25988 26344 27010 30082 31265 32485 32930 35113 37960 42809 43940 46280 49348 50024 51976 54020 60164 61685 62530 64970 65860 70226 75205 81289 84461 85618 87880 98696 108040 120328 123370 125060 129940 131720 140452 150410 160381 162578 168922 171236 175565 195533 214045 240389 246740 250120 259880 280904 300820 320762 325156 337844 342472 351130 391066 406445 422305 428090 456469 480778 493480 556517 601640 641524 650312 675688 702260 782132 801905 812890 844610 856180 912938 961556 977665 1097993 1113034 1201945 1283048 1404520 1564264 1603810 1625780 1689220 1712360 1825876 1923112 1955330 2195986 2226068 2282345 2403890 2782585 3125057 3207620 3251560 3378440 3651752 3910660 4391972 4452136 4564690 4807780 5489965 5565170 5934097 6250114 6415240 7234721 7821320 8783944 9129380 9615560 10979930 11130340 11868194 12500228 14273909 14469442 15625285 18258760 21959860 22260680 23736388 25000456 28547818 28938884 29670485 31250570 36173605 40625741 43919720 47472776 57095636 57877768 59340970 62501140 71369545 72347210 81251482 114191272 118681940 125002280 142739090 144694420 162502964 203128705 237363880 285478180 289388840 325005928 406257410 528134633 570956360 812514820 1056269266 1625029640 2112538532 2640673165 4225077064 5281346330 10562692660 21125385320
- Sum of all divisors σ(n): 54209736000
- Sum of proper divisors (its aliquot sum) s(n): 33084350680
- 21125385320 is an abundant number, because the sum of its proper divisors (33084350680) is greater than itself. Its abundance is 11958965360
Bases of 21125385320
- Binary: 100111010110010101111001100011010002
- Hexadecimal: 0x4EB2BCC68
- Base-36: 9PDIBMW
Squares and roots of 21125385320
- 21125385320 squared (211253853202) is 446281904918471502400
- 21125385320 cubed (211253853203) is 9427877202746313673639304768000
-
The
square root of 21125385320 is 145345.7440725389 -
The
cube root of 21125385320 is 2764.4042142125
Scales and comparisons
How big is 21125385320?- 21,125,385,320 seconds is equal to 671 years, 37 weeks, 3 days, 18 hours, 35 minutes, 20 seconds.
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To count from 1 to 21,125,385,320 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 21125385320 cubic inches would be around 230.4 feet tall.
Recreational maths with 21125385320
- 21125385320 backwards is 02358352112
- The number of decimal digits it has is: 11
- The sum of 21125385320's digits is 32
- More coming soon!
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