21371646744
21,371,646,744 is an even composite number composed of four prime numbers multiplied together.
21371646744 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of three hundred thirty-six divisors.
Prime factorization of 21371646744:
23 × 33 × 76 × 292
(2 × 2 × 2 × 3 × 3 × 3 × 7 × 7 × 7 × 7 × 7 × 7 × 29 × 29)See below for interesting mathematical facts about the number 21371646744 from the Numbermatics database.
Names of 21371646744
- Cardinal: 21371646744 can be written as Twenty-one billion, three hundred seventy-one million, six hundred forty-six thousand, seven hundred forty-four.
Scientific notation
- Scientific notation: 2.1371646744 × 1010
Factors of 21371646744
Divisors of 21371646744
- Number of divisors d(n): 336
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 29 36 42 49 54 56 58 63 72 84 87 98 108 116 126 147 168 174 189 196 203 216 232 252 261 294 343 348 378 392 406 441 504 522 588 609 686 696 756 783 812 841 882 1029 1044 1176 1218 1323 1372 1421 1512 1566 1624 1682 1764 1827 2058 2088 2401 2436 2523 2646 2744 2842 3087 3132 3364 3528 3654 4116 4263 4802 4872 5046 5292 5481 5684 5887 6174 6264 6728 7203 7308 7569 8232 8526 9261 9604 9947 10092 10584 10962 11368 11774 12348 12789 14406 14616 15138 16807 17052 17661 18522 19208 19894 20184 21609 21924 22707 23548 24696 25578 28812 29841 30276 33614 34104 35322 37044 38367 39788 41209 43218 43848 45414 47096 50421 51156 52983 57624 59682 60552 64827 67228 69629 70644 74088 76734 79576 82418 86436 89523 90828 100842 102312 105966 117649 119364 123627 129654 134456 139258 141288 151263 153468 158949 164836 172872 179046 181656 201684 208887 211932 235298 238728 247254 259308 268569 278516 288463 302526 306936 317898 329672 352947 358092 370881 403368 417774 423864 453789 470596 487403 494508 518616 537138 557032 576926 605052 626661 635796 705894 716184 741762 835548 865389 907578 941192 974806 989016 1058841 1074276 1112643 1153852 1210104 1253322 1271592 1411788 1462209 1483524 1671096 1730778 1815156 1879983 1949612 2019241 2117682 2148552 2225286 2307704 2506644 2596167 2823576 2924418 2967048 3176523 3411821 3461556 3630312 3759966 3899224 4038482 4235364 4386627 4450572 5013288 5192334 5848836 6057723 6353046 6823642 6923112 7519932 7788501 8076964 8470728 8773254 8901144 10235463 10384668 11697672 12115446 12706092 13159881 13647284 14134687 15039864 15577002 16153928 17546508 18173169 20470926 20769336 24230892 25412184 26319762 27294568 28269374 30706389 31154004 35093016 36346338 40941852 42404061 48461784 52639524 54519507 56538748 61412778 62308008 72692676 81883704 84808122 92119167 98942809 105279048 109039014 113077496 122825556 127212183 145385352 169616244 184238334 197885618 218078028 245651112 254424366 296828427 339232488 368476668 381636549 395771236 436156056 508848732 593656854 736953336 763273098 791542472 890485281 1017697464 1187313708 1526546196 1780970562 2374627416 2671455843 3053092392 3561941124 5342911686 7123882248 10685823372 21371646744
- Sum of all divisors σ(n): 71730508200
- Sum of proper divisors (its aliquot sum) s(n): 50358861456
- 21371646744 is an abundant number, because the sum of its proper divisors (50358861456) is greater than itself. Its abundance is 28987214712
Bases of 21371646744
- Binary: 100111110011101100101110011000110002
- Hexadecimal: 0x4F9D97318
- Base-36: 9TG4K60
Squares and roots of 21371646744
- 21371646744 squared (213716467442) is 456747284550325801536
- 21371646744 cubed (213716467443) is 9761441616690811920536044598784
-
The
square root of 21371646744 is 146190.4468287857 -
The
cube root of 21371646744 is 2775.1044191533
Scales and comparisons
How big is 21371646744?- 21,371,646,744 seconds is equal to 679 years, 28 weeks, 5 days, 32 minutes, 24 seconds.
-
To count from 1 to 21,371,646,744 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 21371646744 cubic inches would be around 231.3 feet tall.
Recreational maths with 21371646744
- 21371646744 backwards is 44764617312
- The number of decimal digits it has is: 11
- The sum of 21371646744's digits is 45
- More coming soon!
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