138860800
138,860,800 is an even composite number composed of four prime numbers multiplied together.
138860800 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred eight divisors.
Prime factorization of 138860800:
28 × 52 × 13 × 1669
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 13 × 1669)See below for interesting mathematical facts about the number 138860800 from the Numbermatics database.
Names of 138860800
- Cardinal: 138860800 can be written as One hundred thirty-eight million, eight hundred sixty thousand, eight hundred.
Scientific notation
- Scientific notation: 1.388608 × 108
Factors of 138860800
Divisors of 138860800
- Number of divisors d(n): 108
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Complete list of divisors:
1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 64 65 80 100 104 128 130 160 200 208 256 260 320 325 400 416 520 640 650 800 832 1040 1280 1300 1600 1664 1669 2080 2600 3200 3328 3338 4160 5200 6400 6676 8320 8345 10400 13352 16640 16690 20800 21697 26704 33380 41600 41725 43394 53408 66760 83200 83450 86788 106816 108485 133520 166900 173576 213632 216970 267040 333800 347152 427264 433940 534080 542425 667600 694304 867880 1068160 1084850 1335200 1388608 1735760 2136320 2169700 2670400 2777216 3471520 4339400 5340800 5554432 6943040 8678800 10681600 13886080 17357600 27772160 34715200 69430400 138860800
- Sum of all divisors σ(n): 370362580
- Sum of proper divisors (its aliquot sum) s(n): 231501780
- 138860800 is an abundant number, because the sum of its proper divisors (231501780) is greater than itself. Its abundance is 92640980
Bases of 138860800
- Binary: 10000100011011011001000000002
- Hexadecimal: 0x846D900
- Base-36: 2AO9OG
Squares and roots of 138860800
- 138860800 squared (1388608002) is 19282321776640000
- 138860800 cubed (1388608003) is 2677558627761651712000000
-
The
square root of 138860800 is 11783.9212488881 -
The
cube root of 138860800 is 517.8371704885
Scales and comparisons
How big is 138860800?- 138,860,800 seconds is equal to 4 years, 21 weeks, 4 days, 4 hours, 26 minutes, 40 seconds.
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To count from 1 to 138,860,800 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 138860800 cubic inches would be around 43.2 feet tall.
Recreational maths with 138860800
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