138872454720
138,872,454,720 is an even composite number composed of four prime numbers multiplied together.
138872454720 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of fifty-six divisors.
Prime factorization of 138872454720:
26 × 3 × 5 × 144658807
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 144658807)See below for interesting mathematical facts about the number 138872454720 from the Numbermatics database.
Names of 138872454720
- Cardinal: 138872454720 can be written as One hundred thirty-eight billion, eight hundred seventy-two million, four hundred fifty-four thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.3887245472 × 1011
Factors of 138872454720
Divisors of 138872454720
- Number of divisors d(n): 56
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 960 144658807 289317614 433976421 578635228 723294035 867952842 1157270456 1446588070 1735905684 2169882105 2314540912 2893176140 3471811368 4339764210 4629081824 5786352280 6943622736 8679528420 9258163648 11572704560 13887245472 17359056840 23145409120 27774490944 34718113680 46290818240 69436227360 138872454720
- Sum of all divisors σ(n): 440920046784
- Sum of proper divisors (its aliquot sum) s(n): 302047592064
- 138872454720 is an abundant number, because the sum of its proper divisors (302047592064) is greater than itself. Its abundance is 163175137344
Bases of 138872454720
- Binary: 100000010101010111000101111110010000002
- Hexadecimal: 0x2055717E40
- Base-36: 1RSP2NUO
Squares and roots of 138872454720
- 138872454720 squared (1388724547202) is 19285558679958450278400
- 138872454720 cubed (1388724547203) is 2678232874532432857768475394048000
-
The
square root of 138872454720 is 372655.9468464175 -
The
cube root of 138872454720 is 5178.5165760643
Scales and comparisons
How big is 138872454720?- 138,872,454,720 seconds is equal to 4,415 years, 37 weeks, 1 day, 1 hour, 52 minutes.
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To count from 1 to 138,872,454,720 would take you about eight thousand, eight hundred thirty-one 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 138872454720 cubic inches would be around 431.5 feet tall.
Recreational maths with 138872454720
- 138872454720 backwards is 027454278831
- The number of decimal digits it has is: 12
- The sum of 138872454720's digits is 51
- More coming soon!
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