129942000
129,942,000 is an even composite number composed of four prime numbers multiplied together.
129942000 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 129942000:
24 × 32 × 53 × 7219
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 5 × 5 × 7219)See below for interesting mathematical facts about the number 129942000 from the Numbermatics database.
Names of 129942000
- Cardinal: 129942000 can be written as One hundred twenty-nine million, nine hundred forty-two thousand.
Scientific notation
- Scientific notation: 1.29942 × 108
Factors of 129942000
Divisors of 129942000
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 36 40 45 48 50 60 72 75 80 90 100 120 125 144 150 180 200 225 240 250 300 360 375 400 450 500 600 720 750 900 1000 1125 1200 1500 1800 2000 2250 3000 3600 4500 6000 7219 9000 14438 18000 21657 28876 36095 43314 57752 64971 72190 86628 108285 115504 129942 144380 173256 180475 216570 259884 288760 324855 346512 360950 433140 519768 541425 577520 649710 721900 866280 902375 1039536 1082850 1299420 1443800 1624275 1732560 1804750 2165700 2598840 2707125 2887600 3248550 3609500 4331400 5197680 5414250 6497100 7219000 8121375 8662800 10828500 12994200 14438000 16242750 21657000 25988400 32485500 43314000 64971000 129942000
- Sum of all divisors σ(n): 453906960
- Sum of proper divisors (its aliquot sum) s(n): 323964960
- 129942000 is an abundant number, because the sum of its proper divisors (323964960) is greater than itself. Its abundance is 194022960
Bases of 129942000
- Binary: 1111011111011000001111100002
- Hexadecimal: 0x7BEC1F0
- Base-36: 25D3W0
Squares and roots of 129942000
- 129942000 squared (1299420002) is 16884923364000000
- 129942000 cubed (1299420003) is 2194060711764888000000000
-
The
square root of 129942000 is 11399.2104989777 -
The
cube root of 129942000 is 506.5043532091
Scales and comparisons
How big is 129942000?- 129,942,000 seconds is equal to 4 years, 6 weeks, 5 days, 23 hours.
-
To count from 1 to 129,942,000 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 129942000 cubic inches would be around 42.2 feet tall.
Recreational maths with 129942000
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