21408427392
21,408,427,392 is an even composite number composed of six prime numbers multiplied together.
What does the number 21408427392 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 384 divisors.
21408427392 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21408427392:
27 × 3 × 112 × 31 × 89 × 167
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 11 × 11 × 31 × 89 × 167)See below for interesting mathematical facts about the number 21408427392 from the Numbermatics database.
Names of 21408427392
- Cardinal: 21408427392 can be written as Twenty-one billion, four hundred eight million, four hundred twenty-seven thousand, three hundred ninety-two.
Scientific notation
- Scientific notation: 2.1408427392 × 1010
Factors of 21408427392
Divisors of 21408427392
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 6 8 11 12 16 22 24 31 32 33 44 48 62 64 66 88 89 93 96 121 124 128 132 167 176 178 186 192 242 248 264 267 334 341 352 356 363 372 384 484 496 501 528 534 668 682 704 712 726 744 968 979 992 1002 1023 1056 1068 1336 1364 1408 1424 1452 1488 1837 1936 1958 1984 2004 2046 2112 2136 2672 2728 2759 2848 2904 2937 2976 3674 3751 3872 3916 3968 4008 4092 4224 4272 5177 5344 5456 5511 5518 5696 5808 5874 5952 7348 7502 7744 7832 8016 8184 8277 8544 10354 10688 10769 10912 11022 11036 11253 11392 11616 11748 11904 14696 14863 15004 15488 15531 15664 16032 16368 16554 17088 20207 20708 21376 21538 21824 22044 22072 22506 23232 23496 29392 29726 30008 30349 31062 31328 32064 32307 32736 33108 34176 40414 41416 43076 43648 44088 44144 44589 45012 46464 46992 56947 58784 59452 60016 60621 60698 62124 62656 64128 64614 65472 66216 80828 82832 86152 88176 88288 89178 90024 91047 93984 113894 117568 118904 120032 121242 121396 124248 125312 129228 130944 132432 161656 163493 165664 170841 172304 176352 176576 178356 180048 182094 187968 227788 235136 237808 240064 242484 242792 248496 258456 264864 323312 326986 331328 333839 341682 344608 352704 353152 356712 360096 364188 375936 455576 460753 475616 480128 484968 485584 490479 496992 516912 529728 626417 646624 653972 662656 667678 683364 689216 705408 713424 720192 728376 911152 921506 951232 969936 971168 980958 993984 1001517 1033824 1059456 1252834 1293248 1307944 1335356 1366728 1378432 1382259 1426848 1440384 1456752 1798423 1822304 1843012 1879251 1902464 1939872 1942336 1961916 1987968 2003034 2067648 2505668 2586496 2615888 2670712 2733456 2764518 2853696 2913504 3596846 3644608 3686024 3758502 3879744 3884672 3923832 4006068 4135296 5011336 5068283 5231776 5341424 5395269 5466912 5529036 5707392 5827008 7193692 7289216 7372048 7517004 7759488 7847664 8012136 10022672 10136566 10463552 10682848 10790538 10933824 11058072 11654016 14387384 14744096 15034008 15204849 15695328 16024272 20045344 20273132 20927104 21365696 21581076 21867648 22116144 28774768 29488192 30068016 30409698 31390656 32048544 40090688 40546264 42731392 43162152 44232288 55751113 57549536 58976384 60136032 60819396 62781312 64097088 80181376 81092528 86324304 88464576 111502226 115099072 120272064 121638792 128194176 162185056 167253339 172648608 176929152 223004452 230198144 240544128 243277584 324370112 334506678 345297216 446008904 486555168 648740224 669013356 690594432 892017808 973110336 1338026712 1784035616 1946220672 2676053424 3568071232 5352106848 7136142464 10704213696 21408427392
- Sum of all divisors σ(n): 65637734400
- Sum of proper divisors (its aliquot sum) s(n): 44229307008
- 21408427392 is an abundant number, because the sum of its proper divisors (44229307008) is greater than itself. Its abundance is 22820879616
Bases of 21408427392
- Binary: 100111111000000101010101101100000002
- Hexadecimal: 0x4FC0AAD80
- Base-36: 9U20WAO
Squares and roots of 21408427392
- 21408427392 squared (214084273922) is 458320763398535921664
- 21408427392 cubed (214084273923) is 9811926785463567438047543820288
-
The
square root of 21408427392 is 146316.1897808989 -
The
cube root of 21408427392 is 2776.6954935589
Scales and comparisons
How big is 21408427392?- 21,408,427,392 seconds is equal to 680 years, 37 weeks, 3 days, 17 hours, 23 minutes, 12 seconds.
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To count from 1 to 21,408,427,392 would take you about one thousand, three hundred sixty-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 21408427392 cubic inches would be around 231.4 feet tall.
Recreational maths with 21408427392
- 21408427392 backwards is 29372480412
- The number of decimal digits it has is: 11
- The sum of 21408427392's digits is 42
- More coming soon!
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