139998400
139,998,400 is an even composite number composed of four prime numbers multiplied together.
139998400 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty-four divisors.
Prime factorization of 139998400:
26 × 52 × 17 × 5147
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 17 × 5147)See below for interesting mathematical facts about the number 139998400 from the Numbermatics database.
Names of 139998400
- Cardinal: 139998400 can be written as One hundred thirty-nine million, nine hundred ninety-eight thousand, four hundred.
Scientific notation
- Scientific notation: 1.399984 × 108
Factors of 139998400
Divisors of 139998400
- Number of divisors d(n): 84
-
Complete list of divisors:
1 2 4 5 8 10 16 17 20 25 32 34 40 50 64 68 80 85 100 136 160 170 200 272 320 340 400 425 544 680 800 850 1088 1360 1600 1700 2720 3400 5147 5440 6800 10294 13600 20588 25735 27200 41176 51470 82352 87499 102940 128675 164704 174998 205880 257350 329408 349996 411760 437495 514700 699992 823520 874990 1029400 1399984 1647040 1749980 2058800 2187475 2799968 3499960 4117600 4374950 5599936 6999920 8235200 8749900 13999840 17499800 27999680 34999600 69999200 139998400
- Sum of all divisors σ(n): 364818168
- Sum of proper divisors (its aliquot sum) s(n): 224819768
- 139998400 is an abundant number, because the sum of its proper divisors (224819768) is greater than itself. Its abundance is 84821368
Bases of 139998400
- Binary: 10000101100000110100110000002
- Hexadecimal: 0x85834C0
- Base-36: 2BCNGG
Squares and roots of 139998400
- 139998400 squared (1399984002) is 19599552002560000
- 139998400 cubed (1399984003) is 2743905921075195904000000
-
The
square root of 139998400 is 11832.0919536657 -
The
cube root of 139998400 is 519.2474320847
Scales and comparisons
How big is 139998400?- 139,998,400 seconds is equal to 4 years, 23 weeks, 3 days, 8 hours, 26 minutes, 40 seconds.
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To count from 1 to 139,998,400 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 139998400 cubic inches would be around 43.3 feet tall.
Recreational maths with 139998400
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