21381365340
21,381,365,340 is an even composite number composed of six prime numbers multiplied together.
21381365340 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred thirty-two divisors.
Prime factorization of 21381365340:
22 × 33 × 5 × 232 × 292 × 89
(2 × 2 × 3 × 3 × 3 × 5 × 23 × 23 × 29 × 29 × 89)See below for interesting mathematical facts about the number 21381365340 from the Numbermatics database.
Names of 21381365340
- Cardinal: 21381365340 can be written as Twenty-one billion, three hundred eighty-one million, three hundred sixty-five thousand, three hundred forty.
Scientific notation
- Scientific notation: 2.138136534 × 1010
Factors of 21381365340
Divisors of 21381365340
- Number of divisors d(n): 432
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 23 27 29 30 36 45 46 54 58 60 69 87 89 90 92 108 115 116 135 138 145 174 178 180 207 230 261 267 270 276 290 345 348 356 414 435 445 460 522 529 534 540 580 621 667 690 783 801 828 841 870 890 1035 1044 1058 1068 1242 1305 1334 1335 1380 1566 1587 1602 1682 1740 1780 2001 2047 2070 2116 2403 2484 2523 2581 2610 2645 2668 2670 3105 3132 3174 3204 3335 3364 3915 4002 4005 4094 4140 4205 4761 4806 5046 5162 5220 5290 5340 6003 6141 6210 6348 6670 7569 7743 7830 7935 8004 8010 8188 8410 9522 9612 10005 10092 10235 10324 10580 12006 12015 12282 12420 12615 12905 13340 14283 15138 15341 15486 15660 15870 16020 16820 18009 18423 19044 19343 20010 20470 22707 23229 23805 24012 24030 24564 25230 25810 28566 30015 30276 30682 30705 30972 31740 36018 36846 37845 38686 38715 40020 40940 45414 46023 46458 47081 47610 48060 50460 51620 55269 57132 58029 59363 60030 61364 61410 69687 71415 72036 73692 74849 75690 76705 77372 77430 90045 90828 92046 92115 92916 94162 95220 96715 110538 113535 116058 116145 118726 120060 122820 138069 139374 141243 142830 149698 151380 153410 154860 174087 178089 180090 184092 184230 188324 193430 221076 224547 227070 230115 232116 232290 235405 237452 276138 276345 278748 282486 285660 290145 296815 299396 306820 348174 348435 356178 360180 368460 374245 386860 414207 423729 444889 449094 454140 460230 464580 470810 522261 534267 552276 552690 564972 580290 593630 673641 690345 696348 696870 706215 712356 748490 828414 847458 870435 889778 890445 898188 920460 941620 1044522 1068534 1105380 1122735 1160580 1187260 1271187 1334667 1347282 1365349 1380690 1393740 1412430 1496980 1602801 1656828 1694916 1721527 1740870 1779556 1780890 2020923 2071035 2089044 2118645 2137068 2224445 2245470 2542374 2611305 2669334 2671335 2694564 2730698 2761380 2824860 3205602 3368205 3443054 3481740 3561780 4004001 4041846 4096047 4142070 4237290 4448890 4490940 5084748 5164581 5222610 5338668 5342670 5461396 6355935 6411204 6673335 6736410 6826745 6886108 8008002 8014005 8083692 8192094 8284140 8474580 8607635 8897780 10104615 10329162 10445220 10685340 12012003 12288141 12711870 13346670 13472820 13653490 15493743 16016004 16028010 16384188 17215270 20020005 20209230 20480235 20658324 24024006 24576282 25423740 25822905 26693340 27306980 30987486 32056020 34430540 36864423 39595121 40040010 40418460 40960470 46481229 48048012 49152564 51645810 60060015 61440705 61974972 73728846 77468715 79190242 80080020 81920940 92962458 103291620 118785363 120120030 122881410 147457692 154937430 158380484 184322115 185924916 197975605 232406145 237570726 240240060 245762820 309874860 356356089 368644230 395951210 464812290 475141452 593926815 712712178 737288460 791902420 929624580 1069068267 1187853630 1425424356 1781780445 2138136534 2375707260 3563560890 4276273068 5345341335 7127121780 10690682670 21381365340
- Sum of all divisors σ(n): 72827445600
- Sum of proper divisors (its aliquot sum) s(n): 51446080260
- 21381365340 is an abundant number, because the sum of its proper divisors (51446080260) is greater than itself. Its abundance is 30064714920
Bases of 21381365340
- Binary: 100111110100110110110111110010111002
- Hexadecimal: 0x4FA6DBE5C
- Base-36: 9TLWV30
Squares and roots of 21381365340
- 21381365340 squared (213813653402) is 457162783802553315600
- 21381365340 cubed (213813653403) is 9774764500333826865671921304000
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The
square root of 21381365340 is 146223.6825551867 -
The
cube root of 21381365340 is 2775.5250080441
Scales and comparisons
How big is 21381365340?- 21,381,365,340 seconds is equal to 679 years, 44 weeks, 5 days, 12 hours, 9 minutes.
-
To count from 1 to 21,381,365,340 would take you about one thousand, three hundred fifty-nine 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 21381365340 cubic inches would be around 231.3 feet tall.
Recreational maths with 21381365340
- 21381365340 backwards is 04356318312
- 21381365340 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21381365340's digits is 36
- More coming soon!
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The information we have on file for 21381365340 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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