18137730842
18,137,730,842 is an even composite number composed of five prime numbers multiplied together.
18137730842 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 18137730842:
2 × 7 × 112 × 43 × 4992
(2 × 7 × 11 × 11 × 43 × 499 × 499)See below for interesting mathematical facts about the number 18137730842 from the Numbermatics database.
Names of 18137730842
- Cardinal: 18137730842 can be written as Eighteen billion, one hundred thirty-seven million, seven hundred thirty thousand, eight hundred forty-two.
Scientific notation
- Scientific notation: 1.8137730842 × 1010
Factors of 18137730842
Divisors of 18137730842
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 7 11 14 22 43 77 86 121 154 242 301 473 499 602 847 946 998 1694 3311 3493 5203 5489 6622 6986 10406 10978 21457 36421 38423 42914 60379 72842 76846 120758 150199 236027 249001 300398 422653 472054 498002 845306 1652189 1743007 2596297 2739011 3304378 3486014 5192594 5478022 10707043 18174079 19173077 21414086 30129121 36348158 38346154 60258242 74949301 117777473 149898602 210903847 235554946 421807694 824442311 1295552203 1648884622 2591104406 9068865421 18137730842
- Sum of all divisors σ(n): 35041916448
- Sum of proper divisors (its aliquot sum) s(n): 16904185606
- 18137730842 is a deficient number, because the sum of its proper divisors (16904185606) is less than itself. Its deficiency is 1233545236
Bases of 18137730842
- Binary: 100001110010001011111001111000110102
- Hexadecimal: 0x43917CF1A
- Base-36: 8BYQIOQ
Squares and roots of 18137730842
- 18137730842 squared (181377308422) is 328977280096838028964
- 18137730842 cubed (181377308423) is 5966901359529691864618832107688
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The
square root of 18137730842 is 134676.3930390175 -
The
cube root of 18137730842 is 2627.4088046969
Scales and comparisons
How big is 18137730842?- 18,137,730,842 seconds is equal to 576 years, 37 weeks, 4 days, 10 hours, 34 minutes, 2 seconds.
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To count from 1 to 18,137,730,842 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 18137730842 cubic inches would be around 219 feet tall.
Recreational maths with 18137730842
- 18137730842 backwards is 24803773181
- The number of decimal digits it has is: 11
- The sum of 18137730842's digits is 44
- More coming soon!
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