121021290
121,021,290 is an even composite number composed of five prime numbers multiplied together.
121021290 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.
Prime factorization of 121021290:
2 × 36 × 5 × 13 × 1277
(2 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 13 × 1277)See below for interesting mathematical facts about the number 121021290 from the Numbermatics database.
Names of 121021290
- Cardinal: 121021290 can be written as One hundred twenty-one million, twenty-one thousand, two hundred ninety.
Scientific notation
- Scientific notation: 1.2102129 × 108
Factors of 121021290
Divisors of 121021290
- Number of divisors d(n): 112
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Complete list of divisors:
1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 81 90 117 130 135 162 195 234 243 270 351 390 405 486 585 702 729 810 1053 1170 1215 1277 1458 1755 2106 2430 2554 3159 3510 3645 3831 5265 6318 6385 7290 7662 9477 10530 11493 12770 15795 16601 18954 19155 22986 31590 33202 34479 38310 47385 49803 57465 68958 83005 94770 99606 103437 114930 149409 166010 172395 206874 249015 298818 310311 344790 448227 498030 517185 620622 747045 896454 930933 1034370 1344681 1494090 1551555 1861866 2241135 2689362 3103110 4034043 4482270 4654665 6723405 8068086 9309330 12102129 13446810 20170215 24204258 40340430 60510645 121021290
- Sum of all divisors σ(n): 352007208
- Sum of proper divisors (its aliquot sum) s(n): 230985918
- 121021290 is an abundant number, because the sum of its proper divisors (230985918) is greater than itself. Its abundance is 109964628
Bases of 121021290
- Binary: 1110011011010100011011010102
- Hexadecimal: 0x736A36A
- Base-36: 201WMI
Squares and roots of 121021290
- 121021290 squared (1210212902) is 14646152633264100
- 121021290 cubed (1210212903) is 1772496285214518292689000
-
The
square root of 121021290 is 11000.9676847083 -
The
cube root of 121021290 is 494.6377514947
Scales and comparisons
How big is 121021290?- 121,021,290 seconds is equal to 3 years, 44 weeks, 17 hours, 1 minute, 30 seconds.
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To count from 1 to 121,021,290 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 121021290 cubic inches would be around 41.2 feet tall.
Recreational maths with 121021290
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