18139921360
18,139,921,360 is an even composite number composed of six prime numbers multiplied together.
18139921360 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 18139921360:
24 × 5 × 11 × 61 × 181 × 1867
(2 × 2 × 2 × 2 × 5 × 11 × 61 × 181 × 1867)See below for interesting mathematical facts about the number 18139921360 from the Numbermatics database.
Names of 18139921360
- Cardinal: 18139921360 can be written as Eighteen billion, one hundred thirty-nine million, nine hundred twenty-one thousand, three hundred sixty.
Scientific notation
- Scientific notation: 1.813992136 × 1010
Factors of 18139921360
Divisors of 18139921360
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 4 5 8 10 11 16 20 22 40 44 55 61 80 88 110 122 176 181 220 244 305 362 440 488 610 671 724 880 905 976 1220 1342 1448 1810 1867 1991 2440 2684 2896 3355 3620 3734 3982 4880 5368 6710 7240 7468 7964 9335 9955 10736 11041 13420 14480 14936 15928 18670 19910 20537 22082 26840 29872 31856 37340 39820 41074 44164 53680 55205 74680 79640 82148 88328 102685 110410 113887 121451 149360 159280 164296 176656 205370 220820 227774 242902 328592 337927 410740 441640 455548 485804 569435 607255 675854 821480 883280 911096 971608 1138870 1214510 1252757 1351708 1642960 1689635 1822192 1943216 2277740 2429020 2505514 2703416 3379270 3717197 4555480 4858040 5011028 5406832 6263785 6758540 7434394 9110960 9716080 10022056 12527570 13517080 14868788 18585985 20044112 20613547 25055140 27034160 29737576 37171970 41227094 50110280 59475152 74343940 82454188 100220560 103067735 148687880 164908376 206135470 226749017 297375760 329816752 412270940 453498034 824541880 906996068 1133745085 1649083760 1813992136 2267490170 3627984272 4534980340 9069960680 18139921360
- Sum of all divisors σ(n): 47047238784
- Sum of proper divisors (its aliquot sum) s(n): 28907317424
- 18139921360 is an abundant number, because the sum of its proper divisors (28907317424) is greater than itself. Its abundance is 10767396064
Bases of 18139921360
- Binary: 100001110010011100100111011110100002
- Hexadecimal: 0x439393BD0
- Base-36: 8C01GWG
Squares and roots of 18139921360
- 18139921360 squared (181399213602) is 329056746946984249600
- 18139921360 cubed (181399213603) is 5969063512595714376902611456000
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The
square root of 18139921360 is 134684.5253174989 -
The
cube root of 18139921360 is 2627.5145723303
Scales and comparisons
How big is 18139921360?- 18,139,921,360 seconds is equal to 576 years, 41 weeks, 1 day, 19 hours, 2 minutes, 40 seconds.
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To count from 1 to 18,139,921,360 would take you about one thousand, one hundred fifty-three 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 18139921360 cubic inches would be around 219 feet tall.
Recreational maths with 18139921360
- 18139921360 backwards is 06312993181
- The number of decimal digits it has is: 11
- The sum of 18139921360's digits is 43
- More coming soon!
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