138749064
138,749,064 is an even composite number composed of five prime numbers multiplied together.
138749064 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 138749064:
23 × 3 × 23 × 157 × 1601
(2 × 2 × 2 × 3 × 23 × 157 × 1601)See below for interesting mathematical facts about the number 138749064 from the Numbermatics database.
Names of 138749064
- Cardinal: 138749064 can be written as One hundred thirty-eight million, seven hundred forty-nine thousand and sixty-four.
Scientific notation
- Scientific notation: 1.38749064 × 108
Factors of 138749064
Divisors of 138749064
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 4 6 8 12 23 24 46 69 92 138 157 184 276 314 471 552 628 942 1256 1601 1884 3202 3611 3768 4803 6404 7222 9606 10833 12808 14444 19212 21666 28888 36823 38424 43332 73646 86664 110469 147292 220938 251357 294584 441876 502714 754071 883752 1005428 1508142 2010856 3016284 5781211 6032568 11562422 17343633 23124844 34687266 46249688 69374532 138749064
- Sum of all divisors σ(n): 364487040
- Sum of proper divisors (its aliquot sum) s(n): 225737976
- 138749064 is an abundant number, because the sum of its proper divisors (225737976) is greater than itself. Its abundance is 86988912
Bases of 138749064
- Binary: 10000100010100100100100010002
- Hexadecimal: 0x8452488
- Base-36: 2ALVGO
Squares and roots of 138749064
- 138749064 squared (1387490642) is 19251302760876096
- 138749064 cubed (1387490643) is 2671100238852174139974144
-
The
square root of 138749064 is 11779.1792583355 -
The
cube root of 138749064 is 517.6982385975
Scales and comparisons
How big is 138749064?- 138,749,064 seconds is equal to 4 years, 21 weeks, 2 days, 21 hours, 24 minutes, 24 seconds.
-
To count from 1 to 138,749,064 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 138749064 cubic inches would be around 43.1 feet tall.
Recreational maths with 138749064
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