21423557376
21,423,557,376 is an even composite number composed of five prime numbers multiplied together.
21423557376 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21423557376:
28 × 33 × 13 × 31 × 7691
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 13 × 31 × 7691)See below for interesting mathematical facts about the number 21423557376 from the Numbermatics database.
Names of 21423557376
- Cardinal: 21423557376 can be written as Twenty-one billion, four hundred twenty-three million, five hundred fifty-seven thousand, three hundred seventy-six.
Scientific notation
- Scientific notation: 2.1423557376 × 1010
Factors of 21423557376
Divisors of 21423557376
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 24 26 27 31 32 36 39 48 52 54 62 64 72 78 93 96 104 108 117 124 128 144 156 186 192 208 216 234 248 256 279 288 312 351 372 384 403 416 432 468 496 558 576 624 702 744 768 806 832 837 864 936 992 1116 1152 1209 1248 1404 1488 1612 1664 1674 1728 1872 1984 2232 2304 2418 2496 2808 2976 3224 3328 3348 3456 3627 3744 3968 4464 4836 4992 5616 5952 6448 6696 6912 7254 7488 7691 7936 8928 9672 9984 10881 11232 11904 12896 13392 14508 14976 15382 17856 19344 21762 22464 23073 23808 25792 26784 29016 29952 30764 35712 38688 43524 44928 46146 51584 53568 58032 61528 69219 71424 77376 87048 89856 92292 99983 103168 107136 116064 123056 138438 154752 174096 184584 199966 207657 214272 232128 238421 246112 276876 299949 309504 348192 369168 399932 415314 464256 476842 492224 553752 599898 696384 715263 738336 799864 830628 899847 928512 953684 984448 1107504 1199796 1392768 1430526 1476672 1599728 1661256 1799694 1907368 1968896 2145789 2215008 2399592 2699541 2785536 2861052 2953344 3099473 3199456 3322512 3599388 3814736 4291578 4430016 4799184 5399082 5722104 5906688 6198946 6398912 6437367 6645024 7198776 7629472 8583156 8860032 9298419 9598368 10798164 11444208 12397892 12797824 12874734 13290048 14397552 15258944 17166312 17720064 18596838 19196736 21596328 22888416 24795784 25595648 25749468 26580096 27895257 28795104 30517888 34332624 37193676 38393472 43192656 45776832 49591568 51498936 53160192 55790514 57590208 61035776 68665248 74387352 76786944 83685771 86385312 91553664 99183136 102997872 111581028 115180416 137330496 148774704 167371542 172770624 183107328 198366272 205995744 223162056 230360832 274660992 297549408 334743084 345541248 396732544 411991488 446324112 549321984 595098816 669486168 691082496 793465088 823982976 892648224 1190197632 1338972336 1647965952 1785296448 2380395264 2677944672 3570592896 5355889344 7141185792 10711778688 21423557376
- Sum of all divisors σ(n): 70436567040
- Sum of proper divisors (its aliquot sum) s(n): 49013009664
- 21423557376 is an abundant number, because the sum of its proper divisors (49013009664) is greater than itself. Its abundance is 27589452288
Bases of 21423557376
- Binary: 100111111001111000110001011000000002
- Hexadecimal: 0x4FCF18B00
- Base-36: 9UB16O0
Squares and roots of 21423557376
- 21423557376 squared (214235573762) is 458968810642764005376
- 21423557376 cubed (214235573763) is 9832744648599734108400308453376
-
The
square root of 21423557376 is 146367.8836903779 -
The
cube root of 21423557376 is 2777.3494644555
Scales and comparisons
How big is 21423557376?- 21,423,557,376 seconds is equal to 681 years, 10 weeks, 3 days, 20 hours, 9 minutes, 36 seconds.
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To count from 1 to 21,423,557,376 would take you about one thousand, three hundred sixty-two 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 21423557376 cubic inches would be around 231.4 feet tall.
Recreational maths with 21423557376
- 21423557376 backwards is 67375532412
- The number of decimal digits it has is: 11
- The sum of 21423557376's digits is 45
- More coming soon!
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