21126699840942720
21,126,699,840,942,720 is an even composite number composed of four prime numbers multiplied together.
21126699840942720 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 21126699840942720:
27 × 33 × 5 × 1222609944499
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 1222609944499)See below for interesting mathematical facts about the number 21126699840942720 from the Numbermatics database.
Names of 21126699840942720
- Cardinal: 21126699840942720 can be written as Twenty-one quadrillion, one hundred twenty-six trillion, six hundred ninety-nine billion, eight hundred forty million, nine hundred forty-two thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.112669984094272 × 1016
Factors of 21126699840942720
- Number of distinct prime factors ω(n): 4
- Total number of prime factors Ω(n): 12
- Sum of prime factors: 1222609944509
Divisors of 21126699840942720
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 128 135 144 160 180 192 216 240 270 288 320 360 384 432 480 540 576 640 720 864 960 1080 1152 1440 1728 1920 2160 2880 3456 4320 5760 8640 17280 1222609944499 2445219888998 3667829833497 4890439777996 6113049722495 7335659666994 9780879555992 11003489500491 12226099444990 14671319333988 18339149167485 19561759111984 22006979000982 24452198889980 29342638667976 33010468501473 36678298334970 39123518223968 44013958001964 48904397779960 55017447502455 58685277335952 66020937002946 73356596669940 78247036447936 88027916003928 97808795559920 110034895004910 117370554671904 132041874005892 146713193339880 156494072895872 165052342507365 176055832007856 195617591119840 220069790009820 234741109343808 264083748011784 293426386679760 330104685014730 352111664015712 391235182239680 440139580019640 469482218687616 528167496023568 586852773359520 660209370029460 704223328031424 782470364479360 880279160039280 1056334992047136 1173705546719040 1320418740058920 1408446656062848 1760558320078560 2112669984094272 2347411093438080 2640837480117840 3521116640157120 4225339968188544 5281674960235680 7042233280314240 10563349920471360 21126699840942720
- Sum of all divisors σ(n): 74823728603400000
- Sum of proper divisors (its aliquot sum) s(n): 53697028762457280
- 21126699840942720 is an abundant number, because the sum of its proper divisors (53697028762457280) is greater than itself. Its abundance is 32570328921514560
Bases of 21126699840942720
- Binary: 10010110000111010011111000111110100101110110010100000002
- Hexadecimal: 0x4B0E9F1F4BB280
- Base-36: 5S0SFX62LC0
Squares and roots of 21126699840942720
- 21126699840942720 squared (211266998409427202) is 446337446169289150547218320998400
- 21126699840942720 cubed (211266998409427203) is 9429637252991500947032365482685839575827611648000
-
The
square root of 21126699840942720 is 145350266.0504710601 -
The
cube root of 21126699840942720 is 276446.1551105543
Scales and comparisons
How big is 21126699840942720?- 21,126,699,840,942,720 seconds is equal to 671,763,705 years, 39 weeks, 6 days, 19 hours, 12 minutes.
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To count from 1 to 21,126,699,840,942,720 would take you about two billion, fifteen million, two hundred ninety-one thousand, one hundred seventeen 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 21126699840942720 cubic inches would be around 23037.2 feet tall.
Recreational maths with 21126699840942720
- 21126699840942720 backwards is 02724904899662112
- 21126699840942720 is a
Harshad number . - The number of decimal digits it has is: 17
- The sum of 21126699840942720's digits is 72
- More coming soon!
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