21007237888
21,007,237,888 is an even composite number composed of six prime numbers multiplied together.
21007237888 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 21007237888:
28 × 7 × 13 × 43 × 67 × 313
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 13 × 43 × 67 × 313)See below for interesting mathematical facts about the number 21007237888 from the Numbermatics database.
Names of 21007237888
- Cardinal: 21007237888 can be written as Twenty-one billion, seven million, two hundred thirty-seven thousand, eight hundred eighty-eight.
Scientific notation
- Scientific notation: 2.1007237888 × 1010
Factors of 21007237888
Divisors of 21007237888
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 4 7 8 13 14 16 26 28 32 43 52 56 64 67 86 91 104 112 128 134 172 182 208 224 256 268 301 313 344 364 416 448 469 536 559 602 626 688 728 832 871 896 938 1072 1118 1204 1252 1376 1456 1664 1742 1792 1876 2144 2191 2236 2408 2504 2752 2881 2912 3328 3484 3752 3913 4069 4288 4382 4472 4816 5008 5504 5762 5824 6097 6968 7504 7826 8138 8576 8764 8944 9632 10016 11008 11524 11648 12194 13459 13936 15008 15652 16276 17152 17528 17888 19264 20032 20167 20971 23048 23296 24388 26918 27872 28483 30016 31304 32552 35056 35776 37453 38528 40064 40334 41942 46096 48776 53836 55744 56966 60032 62608 65104 70112 71552 74906 77056 80128 80668 83884 92192 94213 97552 107672 111488 113932 120064 125216 130208 140224 143104 146797 149812 161336 167768 174967 184384 188426 195104 215344 222976 227864 250432 260416 262171 272623 280448 293594 299624 322672 335536 349934 368768 376852 390208 430688 455728 500864 520832 524342 545246 560896 587188 599248 645344 671072 699868 737536 753704 780416 861376 901753 911456 1001728 1041664 1048684 1090492 1174376 1198496 1224769 1290688 1342144 1399736 1507408 1560832 1722752 1803506 1822912 1908361 2097368 2180984 2348752 2396992 2449538 2581376 2684288 2799472 3014816 3445504 3607012 3645824 3816722 4194736 4361968 4697504 4793984 4899076 5162752 5368576 5598944 6029632 6312271 7214024 7291648 7633444 8389472 8723936 9395008 9587968 9798152 11197888 11722789 12059264 12624542 14428048 15266888 16778944 17447872 18790016 19596304 22395776 23445578 24118528 25249084 28856096 30533776 33557888 34895744 37580032 39192608 44791552 46891156 50498168 57712192 61067552 67115776 69791488 78385216 82059523 93782312 100996336 115424384 122135104 156770432 164119046 187564624 201992672 230848768 244270208 313540864 328238092 375129248 403985344 488540416 656476184 750258496 807970688 1312952368 1500516992 1615941376 2625904736 3001033984 5251809472 10503618944 21007237888
- Sum of all divisors σ(n): 53768777216
- Sum of proper divisors (its aliquot sum) s(n): 32761539328
- 21007237888 is an abundant number, because the sum of its proper divisors (32761539328) is greater than itself. Its abundance is 11754301440
Bases of 21007237888
- Binary: 100111001000010000100000011000000002
- Hexadecimal: 0x4E4210300
- Base-36: 9NF60HS
Squares and roots of 21007237888
- 21007237888 squared (210072378882) is 441304043683022700544
- 21007237888 cubed (210072378883) is 9270579026585601537231995011072
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The
square root of 21007237888 is 144938.7383966067 -
The
cube root of 21007237888 is 2759.2411048013
Scales and comparisons
How big is 21007237888?- 21,007,237,888 seconds is equal to 667 years, 50 weeks, 1 day, 7 hours, 51 minutes, 28 seconds.
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To count from 1 to 21,007,237,888 would take you about one thousand, three hundred thirty-five 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 21007237888 cubic inches would be around 229.9 feet tall.
Recreational maths with 21007237888
- 21007237888 backwards is 88873270012
- The number of decimal digits it has is: 11
- The sum of 21007237888's digits is 46
- More coming soon!
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