121090816
121,090,816 is an even composite number composed of four prime numbers multiplied together.
121090816 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 121090816:
28 × 7 × 11 × 6143
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 11 × 6143)See below for interesting mathematical facts about the number 121090816 from the Numbermatics database.
Names of 121090816
- Cardinal: 121090816 can be written as One hundred twenty-one million, ninety thousand, eight hundred sixteen.
Scientific notation
- Scientific notation: 1.21090816 × 108
Factors of 121090816
Divisors of 121090816
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 4 7 8 11 14 16 22 28 32 44 56 64 77 88 112 128 154 176 224 256 308 352 448 616 704 896 1232 1408 1792 2464 2816 4928 6143 9856 12286 19712 24572 43001 49144 67573 86002 98288 135146 172004 196576 270292 344008 393152 473011 540584 688016 786304 946022 1081168 1376032 1572608 1892044 2162336 2752064 3784088 4324672 5504128 7568176 8649344 11008256 15136352 17298688 30272704 60545408 121090816
- Sum of all divisors σ(n): 301400064
- Sum of proper divisors (its aliquot sum) s(n): 180309248
- 121090816 is an abundant number, because the sum of its proper divisors (180309248) is greater than itself. Its abundance is 59218432
Bases of 121090816
- Binary: 1110011011110110011000000002
- Hexadecimal: 0x737B300
- Base-36: 203E9S
Squares and roots of 121090816
- 121090816 squared (1210908162) is 14662985719545856
- 121090816 cubed (1210908163) is 1775552905776154852458496
-
The
square root of 121090816 is 11004.1272257277 -
The
cube root of 121090816 is 494.7324554947
Scales and comparisons
How big is 121090816?- 121,090,816 seconds is equal to 3 years, 44 weeks, 1 day, 12 hours, 20 minutes, 16 seconds.
-
To count from 1 to 121,090,816 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 121090816 cubic inches would be around 41.2 feet tall.
Recreational maths with 121090816
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