138155415380
138,155,415,380 is an even composite number composed of four prime numbers multiplied together.
138155415380 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of fifty-four divisors.
Prime factorization of 138155415380:
22 × 5 × 172 × 48892
(2 × 2 × 5 × 17 × 17 × 4889 × 4889)See below for interesting mathematical facts about the number 138155415380 from the Numbermatics database.
Names of 138155415380
- Cardinal: 138155415380 can be written as One hundred thirty-eight billion, one hundred fifty-five million, four hundred fifteen thousand, three hundred eighty.
Scientific notation
- Scientific notation: 1.3815541538 × 1011
Factors of 138155415380
Divisors of 138155415380
- Number of divisors d(n): 54
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Complete list of divisors:
1 2 4 5 10 17 20 34 68 85 170 289 340 578 1156 1445 2890 4889 5780 9778 19556 24445 48890 83113 97780 166226 332452 415565 831130 1412921 1662260 2825842 5651684 7064605 14129210 23902321 28258420 47804642 95609284 119511605 239023210 406339457 478046420 812678914 1625357828 2031697285 4063394570 6907770769 8126789140 13815541538 27631083076 34538853845 69077707690 138155415380
- Sum of all divisors σ(n): 308259578634
- Sum of proper divisors (its aliquot sum) s(n): 170104163254
- 138155415380 is an abundant number, because the sum of its proper divisors (170104163254) is greater than itself. Its abundance is 31948747874
Bases of 138155415380
- Binary: 100000001010101011010001010111010101002
- Hexadecimal: 0x202AB45754
- Base-36: 1RGU60R8
Squares and roots of 138155415380
- 138155415380 squared (1381554153802) is 19086918798820340544400
- 138155415380 cubed (1381554153803) is 2636961194975354801904637332872000
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The
square root of 138155415380 is 371692.6356278801 -
The
cube root of 138155415380 is 5169.5884573525
Scales and comparisons
How big is 138155415380?- 138,155,415,380 seconds is equal to 4,392 years, 47 weeks, 4 days, 16 minutes, 20 seconds.
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To count from 1 to 138,155,415,380 would take you about eight thousand, seven hundred eighty-five 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 138155415380 cubic inches would be around 430.8 feet tall.
Recreational maths with 138155415380
- 138155415380 backwards is 083514551831
- The number of decimal digits it has is: 12
- The sum of 138155415380's digits is 44
- More coming soon!
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