120990720
120,990,720 is an even composite number composed of four prime numbers multiplied together.
120990720 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty-eight divisors.
Prime factorization of 120990720:
210 × 3 × 5 × 7877
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 7877)See below for interesting mathematical facts about the number 120990720 from the Numbermatics database.
Names of 120990720
- Cardinal: 120990720 can be written as One hundred twenty million, nine hundred ninety thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.2099072 × 108
Factors of 120990720
Divisors of 120990720
- Number of divisors d(n): 88
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 512 640 768 960 1024 1280 1536 1920 2560 3072 3840 5120 7680 7877 15360 15754 23631 31508 39385 47262 63016 78770 94524 118155 126032 157540 189048 236310 252064 315080 378096 472620 504128 630160 756192 945240 1008256 1260320 1512384 1890480 2016512 2520640 3024768 3780960 4033024 5041280 6049536 7561920 8066048 10082560 12099072 15123840 20165120 24198144 30247680 40330240 60495360 120990720
- Sum of all divisors σ(n): 387030384
- Sum of proper divisors (its aliquot sum) s(n): 266039664
- 120990720 is an abundant number, because the sum of its proper divisors (266039664) is greater than itself. Its abundance is 145048944
Bases of 120990720
- Binary: 1110011011000101100000000002
- Hexadecimal: 0x7362C00
- Base-36: 20191C
Squares and roots of 120990720
- 120990720 squared (1209907202) is 14638754326118400
- 120990720 cubed (1209907203) is 1771153425820180021248000
-
The
square root of 120990720 is 10999.5781737301 -
The
cube root of 120990720 is 494.5960994587
Scales and comparisons
How big is 120990720?- 120,990,720 seconds is equal to 3 years, 44 weeks, 8 hours, 32 minutes.
-
To count from 1 to 120,990,720 would take you about five 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 120990720 cubic inches would be around 41.2 feet tall.
Recreational maths with 120990720
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