21036030720
21,036,030,720 is an even composite number composed of six prime numbers multiplied together.
21036030720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21036030720:
28 × 3 × 5 × 41 × 53 × 2521
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 41 × 53 × 2521)See below for interesting mathematical facts about the number 21036030720 from the Numbermatics database.
Names of 21036030720
- Cardinal: 21036030720 can be written as Twenty-one billion, thirty-six million, thirty thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.103603072 × 1010
Factors of 21036030720
Divisors of 21036030720
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 41 48 53 60 64 80 82 96 106 120 123 128 159 160 164 192 205 212 240 246 256 265 318 320 328 384 410 424 480 492 530 615 636 640 656 768 795 820 848 960 984 1060 1230 1272 1280 1312 1590 1640 1696 1920 1968 2120 2173 2460 2521 2544 2624 3180 3280 3392 3840 3936 4240 4346 4920 5042 5088 5248 6360 6519 6560 6784 7563 7872 8480 8692 9840 10084 10176 10496 10865 12605 12720 13038 13120 13568 15126 15744 16960 17384 19680 20168 20352 21730 25210 25440 26076 26240 30252 31488 32595 33920 34768 37815 39360 40336 40704 43460 50420 50880 52152 52480 60504 65190 67840 69536 75630 78720 80672 86920 100840 101760 103361 104304 121008 130380 133613 139072 151260 157440 161344 173840 201680 203520 206722 208608 242016 260760 267226 278144 302520 310083 322688 347680 400839 403360 413444 417216 484032 516805 521520 534452 556288 605040 620166 645376 668065 695360 801678 806720 826888 834432 968064 1033610 1043040 1068904 1210080 1240332 1336130 1390720 1550415 1603356 1613440 1653776 1668864 1936128 2004195 2067220 2086080 2137808 2420160 2480664 2672260 2781440 3100830 3206712 3226880 3307552 4008390 4134440 4172160 4275616 4840320 4961328 5344520 5478133 6201660 6413424 6615104 8016780 8268880 8344320 8551232 9680640 9922656 10689040 10956266 12403320 12826848 13230208 16033560 16434399 16537760 17102464 19845312 21378080 21912532 24806640 25653696 26460416 27390665 32067120 32868798 33075520 34204928 39690624 42756160 43825064 49613280 51307392 54781330 64134240 65737596 66151040 79381248 82171995 85512320 87650128 99226560 102614784 109562660 128268480 131475192 132302080 164343990 171024640 175300256 198453120 219125320 256536960 262950384 328687980 350600512 396906240 438250640 513073920 525900768 657375960 701201024 876501280 1051801536 1314751920 1402402048 1753002560 2103603072 2629503840 3506005120 4207206144 5259007680 7012010240 10518015360 21036030720
- Sum of all divisors σ(n): 70148804544
- Sum of proper divisors (its aliquot sum) s(n): 49112773824
- 21036030720 is an abundant number, because the sum of its proper divisors (49112773824) is greater than itself. Its abundance is 28076743104
Bases of 21036030720
- Binary: 100111001011101100001011011000000002
- Hexadecimal: 0x4E5D85B00
- Base-36: 9NWB56O
Squares and roots of 21036030720
- 21036030720 squared (210360307202) is 442514588452783718400
- 21036030720 cubed (210360307203) is 9308750476740915569778229248000
-
The
square root of 21036030720 is 145038.0319778229 -
The
cube root of 21036030720 is 2760.5011482337
Scales and comparisons
How big is 21036030720?- 21,036,030,720 seconds is equal to 668 years, 45 weeks, 5 days, 13 hours, 52 minutes.
-
To count from 1 to 21,036,030,720 would take you about one thousand, three hundred thirty-seven 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 21036030720 cubic inches would be around 230 feet tall.
Recreational maths with 21036030720
- 21036030720 backwards is 02703063012
- 21036030720 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21036030720's digits is 24
- More coming soon!
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