18420707448
18,420,707,448 is an even composite number composed of six prime numbers multiplied together.
18420707448 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 18420707448:
23 × 33 × 11 × 13 × 79 × 7549
(2 × 2 × 2 × 3 × 3 × 3 × 11 × 13 × 79 × 7549)See below for interesting mathematical facts about the number 18420707448 from the Numbermatics database.
Names of 18420707448
- Cardinal: 18420707448 can be written as Eighteen billion, four hundred twenty million, seven hundred seven thousand, four hundred forty-eight.
Scientific notation
- Scientific notation: 1.8420707448 × 1010
Factors of 18420707448
Divisors of 18420707448
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 4 6 8 9 11 12 13 18 22 24 26 27 33 36 39 44 52 54 66 72 78 79 88 99 104 108 117 132 143 156 158 198 216 234 237 264 286 297 312 316 351 396 429 468 474 572 594 632 702 711 792 858 869 936 948 1027 1144 1188 1287 1404 1422 1716 1738 1896 2054 2133 2376 2574 2607 2808 2844 3081 3432 3476 3861 4108 4266 5148 5214 5688 6162 6952 7549 7722 7821 8216 8532 9243 10296 10428 11297 12324 15098 15444 15642 17064 18486 20856 22594 22647 23463 24648 27729 30196 30888 31284 33891 36972 45188 45294 46926 55458 60392 62568 67782 67941 73944 83039 90376 90588 93852 98137 101673 110916 135564 135882 166078 181176 187704 196274 203346 203823 221832 249117 271128 271764 294411 305019 332156 392548 406692 407646 498234 543528 588822 596371 610038 664312 747351 785096 813384 815292 883233 996468 1079507 1177644 1192742 1220076 1494702 1630584 1766466 1789113 1992936 2159014 2242053 2355288 2385484 2440152 2649699 2989404 3238521 3532932 3578226 4318028 4484106 4770968 5299398 5367339 5978808 6477042 6560081 7065864 7156452 7752823 8636056 8968212 9715563 10598796 10734678 12954084 13120162 14312904 15505646 16102017 17936424 19431126 19680243 21197592 21469356 23258469 25908168 26240324 29146689 31011292 32204034 38862252 39360486 42938712 46516938 52480648 58293378 59040729 62022584 64408068 69775407 77724504 78720972 85281053 93033876 116586756 118081458 128816136 139550814 157441944 170562106 177122187 186067752 209326221 233173512 236162916 255843159 279101628 341124212 354244374 418652442 472325832 511686318 558203256 682248424 708488748 767529477 837304884 1023372636 1416977496 1535058954 1674609768 2046745272 2302588431 3070117908 4605176862 6140235816 9210353724 18420707448
- Sum of all divisors σ(n): 60883200000
- Sum of proper divisors (its aliquot sum) s(n): 42462492552
- 18420707448 is an abundant number, because the sum of its proper divisors (42462492552) is greater than itself. Its abundance is 24041785104
Bases of 18420707448
- Binary: 100010010011111010110110000011110002
- Hexadecimal: 0x449F5B078
- Base-36: 8GN7OU0
Squares and roots of 18420707448
- 18420707448 squared (184207074482) is 339322462884802672704
- 18420707448 cubed (184207074483) is 6250559819335788159088879099392
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The
square root of 18420707448 is 135722.9068654219 -
The
cube root of 18420707448 is 2641.0022331067
Scales and comparisons
How big is 18420707448?- 18,420,707,448 seconds is equal to 585 years, 37 weeks, 3 days, 15 hours, 10 minutes, 48 seconds.
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To count from 1 to 18,420,707,448 would take you about one thousand, one hundred seventy-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 18420707448 cubic inches would be around 220.1 feet tall.
Recreational maths with 18420707448
- 18420707448 backwards is 84470702481
- The number of decimal digits it has is: 11
- The sum of 18420707448's digits is 45
- More coming soon!
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