21380215485440
21,380,215,485,440 is an even composite number composed of five prime numbers multiplied together.
21380215485440 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixty-four divisors.
Prime factorization of 21380215485440:
210 × 5 × 7 × 6532 × 1399
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 653 × 653 × 1399)See below for interesting mathematical facts about the number 21380215485440 from the Numbermatics database.
Names of 21380215485440
- Cardinal: 21380215485440 can be written as Twenty-one trillion, three hundred eighty billion, two hundred fifteen million, four hundred eighty-five thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.138021548544 × 1013
Factors of 21380215485440
Divisors of 21380215485440
- Number of divisors d(n): 264
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 256 280 320 448 512 560 640 653 896 1024 1120 1280 1306 1399 1792 2240 2560 2612 2798 3265 3584 4480 4571 5120 5224 5596 6530 6995 7168 8960 9142 9793 10448 11192 13060 13990 17920 18284 19586 20896 22384 22855 26120 27980 35840 36568 39172 41792 44768 45710 48965 52240 55960 73136 78344 83584 89536 91420 97930 104480 111920 146272 156688 167168 179072 182840 195860 208960 223840 292544 313376 334336 358144 365680 391720 417920 426409 447680 585088 626752 668672 716288 731360 783440 835840 852818 895360 913547 1170176 1253504 1432576 1462720 1566880 1671680 1705636 1790720 1827094 2132045 2340352 2507008 2925440 2984863 3133760 3343360 3411272 3581440 3654188 4264090 4567735 4680704 5014016 5850880 5969726 6267520 6394829 6822544 7162880 7308376 8528180 9135470 10028032 11701760 11939452 12535040 12789658 13645088 14616752 14924315 17056360 18270940 23403520 23878904 25070080 25579316 27290176 29233504 29848630 31974145 34112720 36541880 47757808 50140160 51158632 54580352 58467008 59697260 63948290 68225440 73083760 95515616 102317264 109160704 116934016 119394520 127896580 136450880 146167520 191031232 204634528 218321408 233868032 238789040 255793160 272901760 292335040 382062464 409269056 436642816 467736064 477578080 511586320 545803520 584670080 596546191 764124928 818538112 935472128 955156160 1023172640 1091607040 1169340160 1193092382 1528249856 1637076224 1910312320 2046345280 2183214080 2338680320 2386184764 2982730955 3056499712 3274152448 3820624640 4092690560 4175823337 4677360640 4772369528 5965461910 6548304896 7641249280 8185381120 8351646674 9544739056 11930923820 15282498560 16370762240 16703293348 19089478112 20879116685 23861847640 32741524480 33406586696 38178956224 41758233370 47723695280 66813173392 76357912448 83516466740 95447390560 133626346784 152715824896 167032933480 190894781120 267252693568 305431649792 334065866960 381789562240 534505387136 610863299584 668131733920 763579124480 1069010774272 1336263467840 1527158248960 2138021548544 2672526935680 3054316497920 4276043097088 5345053871360 10690107742720 21380215485440
- Sum of all divisors σ(n): 58746102979200
- Sum of proper divisors (its aliquot sum) s(n): 37365887493760
- 21380215485440 is an abundant number, because the sum of its proper divisors (37365887493760) is greater than itself. Its abundance is 15985672008320
Bases of 21380215485440
- Binary: 1001101110001111110000010011000110100000000002
- Hexadecimal: 0x1371F8263400
- Base-36: 7KTXOA1VK
Squares and roots of 21380215485440
- 21380215485440 squared (213802154854402) is 457113614203848374851993600
- 21380215485440 cubed (213802154854403) is 9773187573006564960852371434775773184000
-
The
square root of 21380215485440 is 4623874.5101310871 -
The
cube root of 21380215485440 is 27754.7525276649
Scales and comparisons
How big is 21380215485440?- 21,380,215,485,440 seconds is equal to 679,824 years, 37 weeks, 2 days, 17 hours, 57 minutes, 20 seconds.
-
To count from 1 to 21,380,215,485,440 would take you about one million, six hundred ninety-nine thousand, five hundred sixty-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 21380215485440 cubic inches would be around 2312.9 feet tall.
Recreational maths with 21380215485440
- 21380215485440 backwards is 04458451208312
- The number of decimal digits it has is: 14
- The sum of 21380215485440's digits is 47
- More coming soon!
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