121446990
121,446,990 is an even composite number composed of five prime numbers multiplied together.
121446990 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 121446990:
2 × 32 × 5 × 72 × 27539
(2 × 3 × 3 × 5 × 7 × 7 × 27539)See below for interesting mathematical facts about the number 121446990 from the Numbermatics database.
Names of 121446990
- Cardinal: 121446990 can be written as One hundred twenty-one million, four hundred forty-six thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 1.2144699 × 108
Factors of 121446990
Divisors of 121446990
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 49 63 70 90 98 105 126 147 210 245 294 315 441 490 630 735 882 1470 2205 4410 27539 55078 82617 137695 165234 192773 247851 275390 385546 413085 495702 578319 826170 963865 1156638 1239255 1349411 1734957 1927730 2478510 2698822 2891595 3469914 4048233 5783190 6747055 8096466 8674785 12144699 13494110 17349570 20241165 24289398 40482330 60723495 121446990
- Sum of all divisors σ(n): 367328520
- Sum of proper divisors (its aliquot sum) s(n): 245881530
- 121446990 is an abundant number, because the sum of its proper divisors (245881530) is greater than itself. Its abundance is 124434540
Bases of 121446990
- Binary: 1110011110100100010010011102
- Hexadecimal: 0x73D224E
- Base-36: 20B13I
Squares and roots of 121446990
- 121446990 squared (1214469902) is 14749371380060100
- 121446990 cubed (1214469903) is 1791266758500445164099000
-
The
square root of 121446990 is 11020.2989977587 -
The
cube root of 121446990 is 495.2170459245
Scales and comparisons
How big is 121446990?- 121,446,990 seconds is equal to 3 years, 44 weeks, 5 days, 15 hours, 16 minutes, 30 seconds.
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To count from 1 to 121,446,990 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 121446990 cubic inches would be around 41.3 feet tall.
Recreational maths with 121446990
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