138809845040
138,809,845,040 is an even composite number composed of five prime numbers multiplied together.
138809845040 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 138809845040:
24 × 5 × 53 × 71 × 461101
(2 × 2 × 2 × 2 × 5 × 53 × 71 × 461101)See below for interesting mathematical facts about the number 138809845040 from the Numbermatics database.
Names of 138809845040
- Cardinal: 138809845040 can be written as One hundred thirty-eight billion, eight hundred nine million, eight hundred forty-five thousand and forty.
Scientific notation
- Scientific notation: 1.3880984504 × 1011
Factors of 138809845040
Divisors of 138809845040
- Number of divisors d(n): 80
-
Complete list of divisors:
1 2 4 5 8 10 16 20 40 53 71 80 106 142 212 265 284 355 424 530 568 710 848 1060 1136 1420 2120 2840 3763 4240 5680 7526 15052 18815 30104 37630 60208 75260 150520 301040 461101 922202 1844404 2305505 3688808 4611010 7377616 9222020 18444040 24438353 32738171 36888080 48876706 65476342 97753412 122191765 130952684 163690855 195506824 244383530 261905368 327381710 391013648 488767060 523810736 654763420 977534120 1309526840 1735123063 1955068240 2619053680 3470246126 6940492252 8675615315 13880984504 17351230630 27761969008 34702461260 69404922520 138809845040
- Sum of all divisors σ(n): 333454211136
- Sum of proper divisors (its aliquot sum) s(n): 194644366096
- 138809845040 is an abundant number, because the sum of its proper divisors (194644366096) is greater than itself. Its abundance is 55834521056
Bases of 138809845040
- Binary: 100000010100011011011000100101001100002
- Hexadecimal: 0x2051B62530
- Base-36: 1RRNSPWW
Squares and roots of 138809845040
- 138809845040 squared (1388098450402) is 19268173080028812601600
- 138809845040 cubed (1388098450403) is 2674612119442698995963295256064000
-
The
square root of 138809845040 is 372571.9327056187 -
The
cube root of 138809845040 is 5177.7382263587
Scales and comparisons
How big is 138809845040?- 138,809,845,040 seconds is equal to 4,413 years, 37 weeks, 4 days, 10 hours, 17 minutes, 20 seconds.
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To count from 1 to 138,809,845,040 would take you about eight thousand, eight hundred twenty-seven 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 138809845040 cubic inches would be around 431.5 feet tall.
Recreational maths with 138809845040
- 138809845040 backwards is 040548908831
- The number of decimal digits it has is: 12
- The sum of 138809845040's digits is 50
- More coming soon!
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