21027491463805281
21,027,491,463,805,281 is an odd composite number composed of four prime numbers multiplied together.
What does the number 21027491463805281 look like?
This visualization shows the relationship between its 4 prime factors (large circles) and 315 divisors.
21027491463805281 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of three hundred fifteen divisors.
Prime factorization of 21027491463805281:
32 × 74 × 136 × 4492
(3 × 3 × 7 × 7 × 7 × 7 × 13 × 13 × 13 × 13 × 13 × 13 × 449 × 449)See below for interesting mathematical facts about the number 21027491463805281 from the Numbermatics database.
Names of 21027491463805281
- Cardinal: 21027491463805281 can be written as Twenty-one quadrillion, twenty-seven trillion, four hundred ninety-one billion, four hundred sixty-three million, eight hundred five thousand, two hundred eighty-one.
Scientific notation
- Scientific notation: 2.1027491463805281 × 1016
Factors of 21027491463805281
Divisors of 21027491463805281
- Number of divisors d(n): 315
-
Complete list of divisors:
1 3 7 9 13 21 39 49 63 91 117 147 169 273 343 441 449 507 637 819 1029 1183 1347 1521 1911 2197 2401 3087 3143 3549 4041 4459 5733 5837 6591 7203 8281 9429 10647 13377 15379 17511 19773 21609 22001 24843 28287 28561 31213 40131 40859 46137 52533 57967 66003 74529 75881 85683 93639 107653 122577 138411 154007 173901 198009 199927 201601 227643 257049 280917 286013 322959 367731 371293 405769 462021 521703 531167 599781 604803 682929 753571 858039 968877 986453 1078049 1113879 1217307 1386063 1399489 1411207 1593501 1799343 1814409 2002091 2260713 2574117 2599051 2620813 2959359 3234147 3341637 3651921 3718169 4198467 4233621 4780503 4826809 5274997 6006273 6782139 6905171 7797153 7862439 8878077 9702441 9796423 9878449 11154507 12595401 12700863 12823889 14014637 14480427 15824991 18018819 18193357 18345691 20715513 23391459 23587317 26027183 29389269 29635347 33463521 33787663 34070569 38471667 42043911 43441281 47474973 48336197 54580071 55037073 62146539 68574961 69149143 78081549 88167807 88906041 89767223 101362989 102211707 115415001 126131733 127353499 128419837 145008591 163740213 165111219 166710557 182190281 205724883 207447429 234244647 236513641 238493983 269301669 304088967 306635121 338353379 382060497 385259511 435025773 442917397 484044001 500131671 546570843 617174649 622342287 628370561 709540923 715481949 807905007 891474493 898938859 1015060137 1146181491 1155778533 1166973899 1328752191 1452132003 1500395013 1639712529 1655595487 1669457881 1885111683 2128622769 2146445847 2167237241 2368473653 2674423479 2696816577 3045180411 3100421779 3500921697 3986256573 4356396009 4398593927 4966786461 5008373643 5655335049 5757926161 6292572013 6501711723 7105420959 8023270437 8090449731 8168817293 9301265337 10502765091 11589168409 11686205167 13195781781 14900359383 15025120929 15170660687 17273778483 18877716039 19505135169 21316262877 21702952453 24506451879 27903796011 30790157489 34767505227 35058615501 39587345343 40305483127 45511982061 51821335449 56633148117 57181721051 65108857359 73519355637 74853040093 81803436169 92370472467 104302515681 105175846503 106194624809 120916449381 136535946183 151920667171 171545163153 195326572077 224559120279 245410308507 277111417401 282138381889 318583874427 362749348143 400272047357 455762001513 514635489459 523971280651 673677360837 736230925521 743362373663 846415145667 955751623281 973089521209 1063444670197 1200816142071 1367286004539 1571913841953 1974968673223 2230087120989 2539245437001 2919268563627 3190334010591 3602448426213 3667798964557 4715741525859 5203536615641 5924906019669 6690261362967 6811626648463 8757805690881 9571002031773 11003396893671 13824780712561 15610609846923 17774718059007 20434879945389 25674592751899 33010190681013 41474342137683 46831829540769 47681386539241 61304639836167 77023778255697 124423026413049 143044159617723 179722149263293 231071334767091 333769705774687 429132478853169 539166447789879 1001309117324061 1617499343369637 2336387940422809 3003927351972183 7009163821268427 21027491463805281
- Sum of all divisors σ(n): 38471549499598709
- Sum of proper divisors (its aliquot sum) s(n): 17444058035793428
- 21027491463805281 is a deficient number, because the sum of its proper divisors (17444058035793428) is less than itself. Its deficiency is 3583433428011853
Bases of 21027491463805281
- Binary: 10010101011010001100100010111110011011110111001011000012
- Hexadecimal: 0x4AB4645F37B961
- Base-36: 5R1MG7ZT469
Squares and roots of 21027491463805281
- 21027491463805281 squared (210274914638052812) is 442155397260403959075280683488961
- 21027491463805281 cubed (210274914638052813) is 9297418841568577177848121306961033586320617003041
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21027491463805281 is a
perfect square number . Itssquare root is 145008591 -
The
cube root of 21027491463805281 is 276012.7569884385
Scales and comparisons
How big is 21027491463805281?- 21,027,491,463,805,281 seconds is equal to 668,609,186 years, 12 weeks, 6 days, 1 hour, 1 minute, 21 seconds.
-
To count from 1 to 21,027,491,463,805,281 would take you about two billion, five million, eight hundred twenty-seven thousand, five hundred fifty-eight 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 21027491463805281 cubic inches would be around 23001.1 feet tall.
Recreational maths with 21027491463805281
- 21027491463805281 backwards is 18250836419472012
- 21027491463805281 is a
Harshad number . - The number of decimal digits it has is: 17
- The sum of 21027491463805281's digits is 63
- More coming soon!
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