121994081920
121,994,081,920 is an even composite number composed of four prime numbers multiplied together.
121994081920 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 121994081920:
27 × 5 × 29 × 6572957
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 29 × 6572957)See below for interesting mathematical facts about the number 121994081920 from the Numbermatics database.
Names of 121994081920
- Cardinal: 121994081920 can be written as One hundred twenty-one billion, nine hundred ninety-four million, eighty-one thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.2199408192 × 1011
Factors of 121994081920
Divisors of 121994081920
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 4 5 8 10 16 20 29 32 40 58 64 80 116 128 145 160 232 290 320 464 580 640 928 1160 1856 2320 3712 4640 9280 18560 6572957 13145914 26291828 32864785 52583656 65729570 105167312 131459140 190615753 210334624 262918280 381231506 420669248 525836560 762463012 841338496 953078765 1051673120 1524926024 1906157530 2103346240 3049852048 3812315060 4206692480 6099704096 7624630120 12199408192 15249260240 24398816384 30498520480 60997040960 121994081920
- Sum of all divisors σ(n): 301698772200
- Sum of proper divisors (its aliquot sum) s(n): 179704690280
- 121994081920 is an abundant number, because the sum of its proper divisors (179704690280) is greater than itself. Its abundance is 57710608360
Bases of 121994081920
- Binary: 11100011001110110100111110110100000002
- Hexadecimal: 0x1C6769F680
- Base-36: 1K1K4K1S
Squares and roots of 121994081920
- 121994081920 squared (1219940819202) is 14882556023503670886400
- 121994081920 cubed (1219940819203) is 1815583758710296271536200613888000
-
The
square root of 121994081920 is 349276.5121218431 -
The
cube root of 121994081920 is 4959.5954664869
Scales and comparisons
How big is 121994081920?- 121,994,081,920 seconds is equal to 3,879 years, 1 week, 5 days, 12 hours, 58 minutes, 40 seconds.
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To count from 1 to 121,994,081,920 would take you about seven thousand, seven hundred fifty-eight 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 121994081920 cubic inches would be around 413.3 feet tall.
Recreational maths with 121994081920
- 121994081920 backwards is 029180499121
- The number of decimal digits it has is: 12
- The sum of 121994081920's digits is 46
- More coming soon!
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