138740000
138,740,000 is an even composite number composed of four prime numbers multiplied together.
138740000 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 138740000:
25 × 54 × 7 × 991
(2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 5 × 7 × 991)See below for interesting mathematical facts about the number 138740000 from the Numbermatics database.
Names of 138740000
- Cardinal: 138740000 can be written as One hundred thirty-eight million, seven hundred forty thousand.
Scientific notation
- Scientific notation: 1.3874 × 108
Factors of 138740000
Divisors of 138740000
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 70 80 100 112 125 140 160 175 200 224 250 280 350 400 500 560 625 700 800 875 991 1000 1120 1250 1400 1750 1982 2000 2500 2800 3500 3964 4000 4375 4955 5000 5600 6937 7000 7928 8750 9910 10000 13874 14000 15856 17500 19820 20000 24775 27748 28000 31712 34685 35000 39640 49550 55496 69370 70000 79280 99100 110992 123875 138740 140000 158560 173425 198200 221984 247750 277480 346850 396400 495500 554960 619375 693700 792800 867125 991000 1109920 1238750 1387400 1734250 1982000 2477500 2774800 3468500 3964000 4335625 4955000 5549600 6937000 8671250 9910000 13874000 17342500 19820000 27748000 34685000 69370000 138740000
- Sum of all divisors σ(n): 390475008
- Sum of proper divisors (its aliquot sum) s(n): 251735008
- 138740000 is an abundant number, because the sum of its proper divisors (251735008) is greater than itself. Its abundance is 112995008
Bases of 138740000
- Binary: 10000100010100000001001000002
- Hexadecimal: 0x8450120
- Base-36: 2ALOGW
Squares and roots of 138740000
- 138740000 squared (1387400002) is 19248787600000000
- 138740000 cubed (1387400003) is 2670576791624000000000000
-
The
square root of 138740000 is 11778.7945053813 -
The
cube root of 138740000 is 517.6869652025
Scales and comparisons
How big is 138740000?- 138,740,000 seconds is equal to 4 years, 21 weeks, 2 days, 18 hours, 53 minutes, 20 seconds.
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To count from 1 to 138,740,000 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 138740000 cubic inches would be around 43.1 feet tall.
Recreational maths with 138740000
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