138738000
138,738,000 is an even composite number composed of five prime numbers multiplied together.
138738000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 138738000:
24 × 3 × 53 × 19 × 1217
(2 × 2 × 2 × 2 × 3 × 5 × 5 × 5 × 19 × 1217)See below for interesting mathematical facts about the number 138738000 from the Numbermatics database.
Names of 138738000
- Cardinal: 138738000 can be written as One hundred thirty-eight million, seven hundred thirty-eight thousand.
Scientific notation
- Scientific notation: 1.38738 × 108
Factors of 138738000
Divisors of 138738000
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 19 20 24 25 30 38 40 48 50 57 60 75 76 80 95 100 114 120 125 150 152 190 200 228 240 250 285 300 304 375 380 400 456 475 500 570 600 750 760 912 950 1000 1140 1200 1217 1425 1500 1520 1900 2000 2280 2375 2434 2850 3000 3651 3800 4560 4750 4868 5700 6000 6085 7125 7302 7600 9500 9736 11400 12170 14250 14604 18255 19000 19472 22800 23123 24340 28500 29208 30425 36510 38000 46246 48680 57000 58416 60850 69369 73020 91275 92492 97360 114000 115615 121700 138738 146040 152125 182550 184984 231230 243400 277476 292080 304250 346845 365100 369968 456375 462460 486800 554952 578075 608500 693690 730200 912750 924920 1109904 1156150 1217000 1387380 1460400 1734225 1825500 1849840 2312300 2434000 2774760 2890375 3468450 3651000 4624600 5549520 5780750 6936900 7302000 8671125 9249200 11561500 13873800 17342250 23123000 27747600 34684500 46246000 69369000 138738000
- Sum of all divisors σ(n): 471219840
- Sum of proper divisors (its aliquot sum) s(n): 332481840
- 138738000 is an abundant number, because the sum of its proper divisors (332481840) is greater than itself. Its abundance is 193743840
Bases of 138738000
- Binary: 10000100010011111001010100002
- Hexadecimal: 0x844F950
- Base-36: 2ALMXC
Squares and roots of 138738000
- 138738000 squared (1387380002) is 19248232644000000
- 138738000 cubed (1387380003) is 2670461300563272000000000
-
The
square root of 138738000 is 11778.7096067439 -
The
cube root of 138738000 is 517.6844776265
Scales and comparisons
How big is 138738000?- 138,738,000 seconds is equal to 4 years, 21 weeks, 2 days, 18 hours, 20 minutes.
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To count from 1 to 138,738,000 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 138738000 cubic inches would be around 43.1 feet tall.
Recreational maths with 138738000
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