21248449872
21,248,449,872 is an even composite number composed of six prime numbers multiplied together.
21248449872 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21248449872:
24 × 3 × 13 × 173 × 29 × 239
(2 × 2 × 2 × 2 × 3 × 13 × 17 × 17 × 17 × 29 × 239)See below for interesting mathematical facts about the number 21248449872 from the Numbermatics database.
Names of 21248449872
- Cardinal: 21248449872 can be written as Twenty-one billion, two hundred forty-eight million, four hundred forty-nine thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 2.1248449872 × 1010
Factors of 21248449872
Divisors of 21248449872
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 6 8 12 13 16 17 24 26 29 34 39 48 51 52 58 68 78 87 102 104 116 136 156 174 204 208 221 232 239 272 289 312 348 377 408 442 464 478 493 578 624 663 696 717 754 816 867 884 956 986 1131 1156 1326 1392 1434 1479 1508 1734 1768 1912 1972 2262 2312 2652 2868 2958 3016 3107 3468 3536 3757 3824 3944 4063 4524 4624 4913 5304 5736 5916 6032 6214 6409 6931 6936 7514 7888 8126 8381 9048 9321 9826 10608 11271 11472 11832 12189 12428 12818 13862 13872 14739 15028 16252 16762 18096 18642 19227 19652 20793 22542 23664 24378 24856 25143 25636 27724 29478 30056 32504 33524 37284 38454 39304 41586 45084 48756 49712 50286 51272 52819 55448 58956 60112 63869 65008 67048 69071 74568 76908 78608 83172 90103 90168 97512 100572 102544 105638 108953 110896 117827 117912 127738 134096 138142 142477 149136 153816 158457 166344 180206 180336 191607 195024 201144 207213 211276 217906 235654 235824 255476 270309 276284 284954 307632 316914 326859 332688 353481 360412 383214 402288 414426 422552 427431 435812 471308 510952 540618 552568 569908 633828 653718 706962 720824 766428 828852 845104 854862 871624 897923 942616 1021904 1081236 1105136 1139816 1174207 1267656 1307436 1413924 1441648 1531751 1532856 1657704 1709724 1743248 1795846 1852201 1885232 2003059 2162472 2279632 2348414 2535312 2614872 2693769 2827848 3063502 3065712 3315408 3419448 3522621 3591692 3704402 4006118 4324944 4595253 4696828 5229744 5387538 5556603 5655696 6009177 6127004 6838896 7045242 7183384 7408804 8012236 9190506 9393656 10775076 11113206 12018354 12254008 14090484 14366768 14817608 15264691 16024472 18381012 18787312 21550152 22226412 24036708 24508016 26039767 28180968 29635216 30529382 32048944 34052003 36762024 43100304 44452824 45794073 48073416 52079534 56361936 61058764 68104006 73524048 78119301 88905648 91588146 96146832 102156009 104159068 122117528 136208012 156238602 183176292 204312018 208318136 244235056 272416024 312477204 366352584 408624036 416636272 442676039 544832048 624954408 732705168 817248072 885352078 1249908816 1328028117 1634496144 1770704156 2656056234 3541408312 5312112468 7082816624 10624224936 21248449872
- Sum of all divisors σ(n): 65245824000
- Sum of proper divisors (its aliquot sum) s(n): 43997374128
- 21248449872 is an abundant number, because the sum of its proper divisors (43997374128) is greater than itself. Its abundance is 22748924256
Bases of 21248449872
- Binary: 100111100101000000110011101010100002
- Hexadecimal: 0x4F2819D50
- Base-36: 9RES0UO
Squares and roots of 21248449872
- 21248449872 squared (212484498722) is 451496621962896816384
- 21248449872 cubed (212484498723) is 9593603339155947246843812302848
-
The
square root of 21248449872 is 145768.4803789901 -
The
cube root of 21248449872 is 2769.7617763129
Scales and comparisons
How big is 21248449872?- 21,248,449,872 seconds is equal to 675 years, 33 weeks, 3 hours, 11 minutes, 12 seconds.
-
To count from 1 to 21,248,449,872 would take you about one thousand, three hundred fifty-one 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 21248449872 cubic inches would be around 230.8 feet tall.
Recreational maths with 21248449872
- 21248449872 backwards is 27894484212
- 21248449872 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21248449872's digits is 51
- More coming soon!
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