138798800
138,798,800 is an even composite number composed of five prime numbers multiplied together.
138798800 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 138798800:
24 × 52 × 7 × 19 × 2609
(2 × 2 × 2 × 2 × 5 × 5 × 7 × 19 × 2609)See below for interesting mathematical facts about the number 138798800 from the Numbermatics database.
Names of 138798800
- Cardinal: 138798800 can be written as One hundred thirty-eight million, seven hundred ninety-eight thousand, eight hundred.
Scientific notation
- Scientific notation: 1.387988 × 108
Factors of 138798800
Divisors of 138798800
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 4 5 7 8 10 14 16 19 20 25 28 35 38 40 50 56 70 76 80 95 100 112 133 140 152 175 190 200 266 280 304 350 380 400 475 532 560 665 700 760 950 1064 1330 1400 1520 1900 2128 2609 2660 2800 3325 3800 5218 5320 6650 7600 10436 10640 13045 13300 18263 20872 26090 26600 36526 41744 49571 52180 53200 65225 73052 91315 99142 104360 130450 146104 182630 198284 208720 247855 260900 292208 346997 365260 396568 456575 495710 521800 693994 730520 793136 913150 991420 1043600 1239275 1387988 1461040 1734985 1826300 1982840 2478550 2775976 3469970 3652600 3965680 4957100 5551952 6939940 7305200 8674925 9914200 13879880 17349850 19828400 27759760 34699700 69399400 138798800
- Sum of all divisors σ(n): 401313600
- Sum of proper divisors (its aliquot sum) s(n): 262514800
- 138798800 is an abundant number, because the sum of its proper divisors (262514800) is greater than itself. Its abundance is 123716000
Bases of 138798800
- Binary: 10000100010111100110110100002
- Hexadecimal: 0x845E6D0
- Base-36: 2AMXU8
Squares and roots of 138798800
- 138798800 squared (1387988002) is 19265106881440000
- 138798800 cubed (1387988003) is 2673973717015614272000000
-
The
square root of 138798800 is 11781.2902519207 -
The
cube root of 138798800 is 517.7600892577
Scales and comparisons
How big is 138798800?- 138,798,800 seconds is equal to 4 years, 21 weeks, 3 days, 11 hours, 13 minutes, 20 seconds.
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To count from 1 to 138,798,800 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 138798800 cubic inches would be around 43.1 feet tall.
Recreational maths with 138798800
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