21681310014
21,681,310,014 is an even composite number composed of six prime numbers multiplied together.
21681310014 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 21681310014:
2 × 38 × 7 × 13 × 67 × 271
(2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 7 × 13 × 67 × 271)See below for interesting mathematical facts about the number 21681310014 from the Numbermatics database.
Names of 21681310014
- Cardinal: 21681310014 can be written as Twenty-one billion, six hundred eighty-one million, three hundred ten thousand and fourteen.
Scientific notation
- Scientific notation: 2.1681310014 × 1010
Factors of 21681310014
Divisors of 21681310014
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 6 7 9 13 14 18 21 26 27 39 42 54 63 67 78 81 91 117 126 134 162 182 189 201 234 243 271 273 351 378 402 469 486 542 546 567 603 702 729 813 819 871 938 1053 1134 1206 1407 1458 1626 1638 1701 1742 1809 1897 2106 2187 2439 2457 2613 2814 3159 3402 3523 3618 3794 4221 4374 4878 4914 5103 5226 5427 5691 6097 6318 6561 7046 7317 7371 7839 8442 9477 10206 10569 10854 11382 12194 12663 13122 14634 14742 15309 15678 16281 17073 18157 18291 18954 21138 21951 22113 23517 24661 25326 28431 30618 31707 32562 34146 36314 36582 37989 43902 44226 45927 47034 48843 49322 51219 54471 54873 56862 63414 65853 66339 70551 73983 75978 85293 91854 95121 97686 102438 108942 109746 113967 127099 131706 132678 141102 146529 147966 153657 163413 164619 170586 190242 197559 199017 211653 221949 227934 236041 254198 285363 293058 307314 326826 329238 341901 381297 395118 398034 423306 439587 443898 460971 472082 490239 493857 570726 592677 597051 634959 665847 683802 708123 762594 856089 879174 921942 980478 987714 1025703 1143891 1185354 1194102 1269918 1331694 1382913 1416246 1470717 1481571 1652287 1712178 1778031 1904877 1997541 2051406 2124369 2287782 2568267 2765826 2941434 2963142 3077109 3304574 3431673 3556062 3809754 3995082 4148739 4248738 4412151 4444713 4956861 5136534 5714631 5992623 6154218 6373107 6863346 7704801 8297478 8824302 8889426 9913722 10295019 11429262 11985246 12446217 12746214 13236453 13334139 14870583 15409602 17977869 19119321 20590038 23114403 24892434 26472906 26668278 29741166 30885057 35955738 38238642 39709359 40002417 44611749 46228806 53933607 57357963 61770114 79418718 80004834 89223498 92655171 107867214 114715926 119128077 133835247 161800821 172073889 185310342 238256154 267670494 277965513 323601642 344147778 401505741 516221667 555931026 803011482 833896539 1032443334 1204517223 1548665001 1667793078 2409034446 3097330002 3613551669 7227103338 10840655007 21681310014
- Sum of all divisors σ(n): 61158429696
- Sum of proper divisors (its aliquot sum) s(n): 39477119682
- 21681310014 is an abundant number, because the sum of its proper divisors (39477119682) is greater than itself. Its abundance is 17795809668
Bases of 21681310014
- Binary: 101000011000100111010001001001111102
- Hexadecimal: 0x50C4E893E
- Base-36: 9YKHPVI
Squares and roots of 21681310014
- 21681310014 squared (216813100142) is 470079203923176680196
- 21681310014 cubed (216813100143) is 10191932951392718643024810282744
-
The
square root of 21681310014 is 147245.7470149817 -
The
cube root of 21681310014 is 2788.4434397583
Scales and comparisons
How big is 21681310014?- 21,681,310,014 seconds is equal to 689 years, 20 weeks, 5 days, 2 hours, 6 minutes, 54 seconds.
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To count from 1 to 21,681,310,014 would take you about one thousand, three hundred seventy-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 21681310014 cubic inches would be around 232.4 feet tall.
Recreational maths with 21681310014
- 21681310014 backwards is 41001318612
- 21681310014 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21681310014's digits is 27
- More coming soon!
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