21397822446
21,397,822,446 is an even composite number composed of seven prime numbers multiplied together.
21397822446 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 21397822446:
2 × 3 × 74 × 11 × 132 × 17 × 47
(2 × 3 × 7 × 7 × 7 × 7 × 11 × 13 × 13 × 17 × 47)See below for interesting mathematical facts about the number 21397822446 from the Numbermatics database.
Names of 21397822446
- Cardinal: 21397822446 can be written as Twenty-one billion, three hundred ninety-seven million, eight hundred twenty-two thousand, four hundred forty-six.
Scientific notation
- Scientific notation: 2.1397822446 × 1010
Factors of 21397822446
Divisors of 21397822446
- Number of divisors d(n): 480
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Complete list of divisors:
1 2 3 6 7 11 13 14 17 21 22 26 33 34 39 42 47 49 51 66 77 78 91 94 98 102 119 141 143 147 154 169 182 187 221 231 238 273 282 286 294 329 338 343 357 374 429 442 462 507 517 539 546 561 611 637 658 663 686 714 799 833 858 987 1001 1014 1029 1034 1078 1122 1183 1222 1274 1309 1326 1547 1551 1598 1617 1666 1833 1859 1911 1974 2002 2058 2303 2366 2397 2401 2431 2499 2618 2873 3003 3094 3102 3234 3549 3619 3666 3718 3773 3822 3927 4277 4459 4606 4641 4794 4802 4862 4998 5577 5593 5746 5831 6006 6721 6909 7007 7098 7203 7238 7293 7546 7854 7943 8281 8554 8619 8789 8918 9163 9282 10387 10829 10857 11154 11186 11319 11662 12831 13013 13377 13442 13818 14014 14406 14586 15886 16121 16562 16779 17017 17238 17493 17578 18326 20111 20163 20774 21021 21658 21714 22638 23829 24843 25333 25662 26026 26367 26411 26754 27489 29939 31161 31213 31603 32242 32487 33558 34034 34986 39039 39151 40222 40326 40817 42042 47047 47658 48363 49049 49686 50666 51051 52734 52822 54978 55601 57967 59878 60333 61523 62322 62426 63206 64141 64974 72709 75803 75999 78078 78302 79233 81634 87373 89817 91091 93639 94094 94809 96726 98098 102102 111202 112847 114257 115934 117453 119119 120666 122451 123046 128282 135031 140777 141141 145418 147147 151606 151998 158466 166803 173901 174746 177331 179634 182182 184569 187278 189618 192423 209573 218127 221221 225694 227409 228514 234906 238238 244902 262119 270062 273273 274057 281554 282282 294294 329329 333606 338541 342771 343343 347802 354662 357357 369138 384846 389207 405093 405769 419146 422331 430661 436254 442442 448987 454818 508963 524238 530621 531993 546546 548114 611611 628719 637637 658658 663663 677082 685542 686686 714714 778414 799799 810186 811538 822171 833833 844662 861322 897974 945217 985439 987987 1017926 1030029 1061242 1063986 1167621 1217307 1223222 1241317 1257438 1275274 1291983 1327326 1346961 1467011 1485341 1526889 1548547 1591863 1599598 1644342 1667666 1834833 1890434 1912911 1918399 1970878 1975974 2060058 2305303 2335242 2399397 2434614 2482634 2501499 2583966 2693922 2724449 2835651 2934022 2956317 2970682 3014627 3053778 3097094 3183726 3562741 3669666 3723951 3825822 3836798 4281277 4401033 4456023 4463459 4610606 4645641 4798794 5002998 5448898 5598593 5671302 5755197 5836831 5912634 6029254 6616519 6898073 6915909 7125482 7447902 8173347 8562554 8802066 8912046 8926918 9043881 9291282 10397387 10688223 10839829 11197186 11510394 11673662 12843831 13233038 13390377 13796146 13831818 16137121 16346694 16795779 17510493 18087762 19071143 19849557 20694219 20794774 21102389 21376446 21679658 24939187 25687662 26780754 29968939 31192161 32274242 32519487 33591558 35020986 38142286 39190151 39699114 41388438 42204778 46315633 48411363 49878374 57213429 59937878 62384322 63307167 65038974 72781709 74817561 75878803 78380302 89906817 92631266 96822726 114426858 117570453 126614334 138946899 145563418 149635122 151757606 179813634 209782573 218345127 227636409 235140906 274331057 277893798 324209431 419565146 436690254 455272818 509471963 548662114 629347719 648418862 822993171 972628293 1018943926 1258695438 1528415889 1645986342 1945256586 3056831778 3566303741 7132607482 10698911223 21397822446
- Sum of all divisors σ(n): 63773526528
- Sum of proper divisors (its aliquot sum) s(n): 42375704082
- 21397822446 is an abundant number, because the sum of its proper divisors (42375704082) is greater than itself. Its abundance is 20977881636
Bases of 21397822446
- Binary: 100111110110110100011011011111011102
- Hexadecimal: 0x4FB68DBEE
- Base-36: 9TVPLGU
Squares and roots of 21397822446
- 21397822446 squared (213978224462) is 457866805430541422916
- 21397822446 cubed (213978224463) is 9797352606519953953204763572536
-
The
square root of 21397822446 is 146279.9454675863 -
The
cube root of 21397822446 is 2776.2369269575
Scales and comparisons
How big is 21397822446?- 21,397,822,446 seconds is equal to 680 years, 19 weeks, 6 days, 23 hours, 34 minutes, 6 seconds.
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To count from 1 to 21,397,822,446 would take you about one thousand, three hundred sixty 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 21397822446 cubic inches would be around 231.4 feet tall.
Recreational maths with 21397822446
- 21397822446 backwards is 64422879312
- The number of decimal digits it has is: 11
- The sum of 21397822446's digits is 48
- More coming soon!
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