121691664
121,691,664 is an even composite number composed of four prime numbers multiplied together.
121691664 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 121691664:
24 × 32 × 131 × 6451
(2 × 2 × 2 × 2 × 3 × 3 × 131 × 6451)See below for interesting mathematical facts about the number 121691664 from the Numbermatics database.
Names of 121691664
- Cardinal: 121691664 can be written as One hundred twenty-one million, six hundred ninety-one thousand, six hundred sixty-four.
Scientific notation
- Scientific notation: 1.21691664 × 108
Factors of 121691664
Divisors of 121691664
- Number of divisors d(n): 60
-
Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 36 48 72 131 144 262 393 524 786 1048 1179 1572 2096 2358 3144 4716 6288 6451 9432 12902 18864 19353 25804 38706 51608 58059 77412 103216 116118 154824 232236 309648 464472 845081 928944 1690162 2535243 3380324 5070486 6760648 7605729 10140972 13521296 15211458 20281944 30422916 40563888 60845832 121691664
- Sum of all divisors σ(n): 343220592
- Sum of proper divisors (its aliquot sum) s(n): 221528928
- 121691664 is an abundant number, because the sum of its proper divisors (221528928) is greater than itself. Its abundance is 99837264
Bases of 121691664
- Binary: 1110100000011011110000100002
- Hexadecimal: 0x740DE10
- Base-36: 20G9W0
Squares and roots of 121691664
- 121691664 squared (1216916642) is 14808861087088896
- 121691664 cubed (1216916643) is 1802114947632696670162944
-
The
square root of 121691664 is 11031.3944721417 -
The
cube root of 121691664 is 495.5493869639
Scales and comparisons
How big is 121691664?- 121,691,664 seconds is equal to 3 years, 45 weeks, 1 day, 11 hours, 14 minutes, 24 seconds.
-
To count from 1 to 121,691,664 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 121691664 cubic inches would be around 41.3 feet tall.
Recreational maths with 121691664
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