21372456015
21,372,456,015 is an odd composite number composed of six prime numbers multiplied together.
21372456015 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 21372456015:
33 × 5 × 172 × 31 × 41 × 431
(3 × 3 × 3 × 5 × 17 × 17 × 31 × 41 × 431)See below for interesting mathematical facts about the number 21372456015 from the Numbermatics database.
Names of 21372456015
- Cardinal: 21372456015 can be written as Twenty-one billion, three hundred seventy-two million, four hundred fifty-six thousand and fifteen.
Scientific notation
- Scientific notation: 2.1372456015 × 1010
Factors of 21372456015
Divisors of 21372456015
- Number of divisors d(n): 192
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Complete list of divisors:
1 3 5 9 15 17 27 31 41 45 51 85 93 123 135 153 155 205 255 279 289 369 431 459 465 527 615 697 765 837 867 1107 1271 1293 1395 1445 1581 1845 2091 2155 2295 2601 2635 3485 3813 3879 4185 4335 4743 5535 6273 6355 6465 7327 7803 7905 8959 10455 11439 11637 11849 13005 13361 14229 17671 18819 19065 19395 21607 21981 23715 26877 31365 34317 35547 36635 39015 40083 44795 53013 57195 58185 59245 64821 65943 66805 71145 80631 88355 94095 106641 108035 109905 120249 124559 134385 159039 171585 177735 194463 197829 200415 227137 241893 265065 300407 319923 324105 329715 360747 367319 373677 403155 477117 533205 547801 583389 601245 622795 681411 795195 901221 972315 989145 1101957 1121031 1135685 1209465 1502035 1599615 1643403 1803735 1836595 1868385 2044233 2385585 2703663 2739005 2916945 3305871 3363093 3407055 3861329 4506105 4930209 5106919 5509785 5605155 6132699 8110989 8217015 9312617 9917613 10221165 11583987 13518315 14790627 15320757 16529355 16815465 19306645 24651045 25534595 27937851 30663495 34751961 40554945 45962271 46563085 49588065 57919935 73953135 76603785 83813553 104255883 137886813 139689255 158314489 173759805 229811355 251440659 419067765 474943467 521279415 689434065 791572445 1257203295 1424830401 2374717335 4274491203 7124152005 21372456015
- Sum of all divisors σ(n): 42779197440
- Sum of proper divisors (its aliquot sum) s(n): 21406741425
- 21372456015 is an abundant number, because the sum of its proper divisors (21406741425) is greater than itself. Its abundance is 34285410
Bases of 21372456015
- Binary: 100111110011110010111001100010011112
- Hexadecimal: 0x4F9E5CC4F
- Base-36: 9TGLWLR
Squares and roots of 21372456015
- 21372456015 squared (213724560152) is 456781876113109680225
- 21372456015 cubed (213724560153) is 9762550555676615805479527803375
-
The
square root of 21372456015 is 146193.2146681233 -
The
cube root of 21372456015 is 2775.1394466083
Scales and comparisons
How big is 21372456015?- 21,372,456,015 seconds is equal to 679 years, 30 weeks, 9 hours, 20 minutes, 15 seconds.
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To count from 1 to 21,372,456,015 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 21372456015 cubic inches would be around 231.3 feet tall.
Recreational maths with 21372456015
- 21372456015 backwards is 51065427312
- The number of decimal digits it has is: 11
- The sum of 21372456015's digits is 36
- More coming soon!
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