138321168512
138,321,168,512 is an even composite number composed of three prime numbers multiplied together.
138321168512 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 138321168512:
27 × 712 × 4632
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 71 × 71 × 463 × 463)See below for interesting mathematical facts about the number 138321168512 from the Numbermatics database.
Names of 138321168512
- Cardinal: 138321168512 can be written as One hundred thirty-eight billion, three hundred twenty-one million, one hundred sixty-eight thousand, five hundred twelve.
Scientific notation
- Scientific notation: 1.38321168512 × 1011
Factors of 138321168512
Divisors of 138321168512
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 4 8 16 32 64 71 128 142 284 463 568 926 1136 1852 2272 3704 4544 5041 7408 9088 10082 14816 20164 29632 32873 40328 59264 65746 80656 131492 161312 214369 262984 322624 428738 525968 645248 857476 1051936 1714952 2103872 2333983 3429904 4207744 4667966 6859808 9335932 13719616 15220199 18671864 27439232 30440398 37343728 60880796 74687456 121761592 149374912 243523184 298749824 487046368 974092736 1080634129 1948185472 2161268258 4322536516 8645073032 17290146064 34580292128 69160584256 138321168512
- Sum of all divisors σ(n): 280102487895
- Sum of proper divisors (its aliquot sum) s(n): 141781319383
- 138321168512 is an abundant number, because the sum of its proper divisors (141781319383) is greater than itself. Its abundance is 3460150871
Bases of 138321168512
- Binary: 100000001101001001010110001000100000002
- Hexadecimal: 0x2034958880
- Base-36: 1RJKUOOW
Squares and roots of 138321168512
- 138321168512 squared (1383211685122) is 19132745658525100294144
- 138321168512 cubed (1383211685123) is 2646463736330086807167992990793728
-
The
square root of 138321168512 is 371915.5394871261 -
The
cube root of 138321168512 is 5171.6550503089
Scales and comparisons
How big is 138321168512?- 138,321,168,512 seconds is equal to 4,398 years, 9 weeks, 4 days, 10 hours, 48 minutes, 32 seconds.
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To count from 1 to 138,321,168,512 would take you about eight thousand, seven hundred ninety-six 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 138321168512 cubic inches would be around 431 feet tall.
Recreational maths with 138321168512
- 138321168512 backwards is 215861123831
- The number of decimal digits it has is: 12
- The sum of 138321168512's digits is 41
- More coming soon!
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