139664400
139,664,400 is an even composite number composed of four prime numbers multiplied together.
139664400 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty divisors.
Prime factorization of 139664400:
24 × 3 × 52 × 116387
(2 × 2 × 2 × 2 × 3 × 5 × 5 × 116387)See below for interesting mathematical facts about the number 139664400 from the Numbermatics database.
Names of 139664400
- Cardinal: 139664400 can be written as One hundred thirty-nine million, six hundred sixty-four thousand, four hundred.
Scientific notation
- Scientific notation: 1.396644 × 108
Factors of 139664400
Divisors of 139664400
- Number of divisors d(n): 60
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 200 240 300 400 600 1200 116387 232774 349161 465548 581935 698322 931096 1163870 1396644 1745805 1862192 2327740 2793288 2909675 3491610 4655480 5586576 5819350 6983220 8729025 9310960 11638700 13966440 17458050 23277400 27932880 34916100 46554800 69832200 139664400
- Sum of all divisors σ(n): 447395472
- Sum of proper divisors (its aliquot sum) s(n): 307731072
- 139664400 is an abundant number, because the sum of its proper divisors (307731072) is greater than itself. Its abundance is 168066672
Bases of 139664400
- Binary: 10000101001100011100000100002
- Hexadecimal: 0x8531C10
- Base-36: 2B5HQO
Squares and roots of 139664400
- 139664400 squared (1396644002) is 19506144627360000
- 139664400 cubed (1396644003) is 2724313985693457984000000
-
The
square root of 139664400 is 11817.9693687199 -
The
cube root of 139664400 is 518.8341732091
Scales and comparisons
How big is 139664400?- 139,664,400 seconds is equal to 4 years, 22 weeks, 6 days, 11 hours, 40 minutes.
-
To count from 1 to 139,664,400 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 139664400 cubic inches would be around 43.2 feet tall.
Recreational maths with 139664400
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