138030900
138,030,900 is an even composite number composed of five prime numbers multiplied together.
138030900 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 138030900:
22 × 3 × 52 × 7 × 65729
(2 × 2 × 3 × 5 × 5 × 7 × 65729)See below for interesting mathematical facts about the number 138030900 from the Numbermatics database.
Names of 138030900
- Cardinal: 138030900 can be written as One hundred thirty-eight million, thirty thousand, nine hundred.
Scientific notation
- Scientific notation: 1.380309 × 108
Factors of 138030900
Divisors of 138030900
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 5 6 7 10 12 14 15 20 21 25 28 30 35 42 50 60 70 75 84 100 105 140 150 175 210 300 350 420 525 700 1050 2100 65729 131458 197187 262916 328645 394374 460103 657290 788748 920206 985935 1314580 1380309 1643225 1840412 1971870 2300515 2760618 3286450 3943740 4601030 4929675 5521236 6572900 6901545 9202060 9859350 11502575 13803090 19718700 23005150 27606180 34507725 46010300 69015450 138030900
- Sum of all divisors σ(n): 456429120
- Sum of proper divisors (its aliquot sum) s(n): 318398220
- 138030900 is an abundant number, because the sum of its proper divisors (318398220) is greater than itself. Its abundance is 180367320
Bases of 138030900
- Binary: 10000011101000101111001101002
- Hexadecimal: 0x83A2F34
- Base-36: 2A6HBO
Squares and roots of 138030900
- 138030900 squared (1380309002) is 19052529354810000
- 138030900 cubed (1380309003) is 2629837774120843629000000
-
The
square root of 138030900 is 11748.6552421971 -
The
cube root of 138030900 is 516.8034924937
Scales and comparisons
How big is 138030900?- 138,030,900 seconds is equal to 4 years, 20 weeks, 1 day, 13 hours, 55 minutes.
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To count from 1 to 138,030,900 would take you about 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 138030900 cubic inches would be around 43.1 feet tall.
Recreational maths with 138030900
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