139985400
139,985,400 is an even composite number composed of five prime numbers multiplied together.
139985400 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 139985400:
23 × 3 × 52 × 181 × 1289
(2 × 2 × 2 × 3 × 5 × 5 × 181 × 1289)See below for interesting mathematical facts about the number 139985400 from the Numbermatics database.
Names of 139985400
- Cardinal: 139985400 can be written as One hundred thirty-nine million, nine hundred eighty-five thousand, four hundred.
Scientific notation
- Scientific notation: 1.399854 × 108
Factors of 139985400
Divisors of 139985400
- Number of divisors d(n): 96
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 150 181 200 300 362 543 600 724 905 1086 1289 1448 1810 2172 2578 2715 3620 3867 4344 4525 5156 5430 6445 7240 7734 9050 10312 10860 12890 13575 15468 18100 19335 21720 25780 27150 30936 32225 36200 38670 51560 54300 64450 77340 96675 108600 128900 154680 193350 233309 257800 386700 466618 699927 773400 933236 1166545 1399854 1866472 2333090 2799708 3499635 4666180 5599416 5832725 6999270 9332360 11665450 13998540 17498175 23330900 27997080 34996350 46661800 69992700 139985400
- Sum of all divisors σ(n): 436690800
- Sum of proper divisors (its aliquot sum) s(n): 296705400
- 139985400 is an abundant number, because the sum of its proper divisors (296705400) is greater than itself. Its abundance is 156720000
Bases of 139985400
- Binary: 10000101100000000001111110002
- Hexadecimal: 0x85801F8
- Base-36: 2BCDFC
Squares and roots of 139985400
- 139985400 squared (1399854002) is 19595912213160000
- 139985400 cubed (1399854003) is 2743141609524087864000000
-
The
square root of 139985400 is 11831.5425875073 -
The
cube root of 139985400 is 519.2313594591
Scales and comparisons
How big is 139985400?- 139,985,400 seconds is equal to 4 years, 23 weeks, 3 days, 4 hours, 50 minutes.
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To count from 1 to 139,985,400 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 139985400 cubic inches would be around 43.3 feet tall.
Recreational maths with 139985400
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