120921897642
120,921,897,642 is an even composite number composed of six prime numbers multiplied together.
120921897642 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 120921897642:
2 × 3 × 7 × 13 × 757 × 292561
See below for interesting mathematical facts about the number 120921897642 from the Numbermatics database.
Names of 120921897642
- Cardinal: 120921897642 can be written as One hundred twenty billion, nine hundred twenty-one million, eight hundred ninety-seven thousand, six hundred forty-two.
Scientific notation
- Scientific notation: 1.20921897642 × 1011
Factors of 120921897642
Divisors of 120921897642
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 6 7 13 14 21 26 39 42 78 91 182 273 546 757 1514 2271 4542 5299 9841 10598 15897 19682 29523 31794 59046 68887 137774 206661 292561 413322 585122 877683 1755366 2047927 3803293 4095854 6143781 7606586 11409879 12287562 22819758 26623051 53246102 79869153 159738306 221468677 442937354 664406031 1328812062 1550280739 2879092801 3100561478 4650842217 5758185602 8637278403 9301684434 17274556806 20153649607 40307299214 60460948821 120921897642
- Sum of all divisors σ(n): 298048122624
- Sum of proper divisors (its aliquot sum) s(n): 177126224982
- 120921897642 is an abundant number, because the sum of its proper divisors (177126224982) is greater than itself. Its abundance is 56204327340
Bases of 120921897642
- Binary: 11100001001111000000110111010101010102
- Hexadecimal: 0x1C2781BAAA
- Base-36: 1JJTRXD6
Squares and roots of 120921897642
- 120921897642 squared (1209218976422) is 14622105329342325160164
- 120921897642 cubed (1209218976423) is 1768132723945275342195632463933288
-
The
square root of 120921897642 is 347738.2602504361 -
The
cube root of 120921897642 is 4945.0230238609
Scales and comparisons
How big is 120921897642?- 120,921,897,642 seconds is equal to 3,844 years, 49 weeks, 42 seconds.
-
To count from 1 to 120,921,897,642 would take you about seven thousand, six hundred eighty-nine 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 120921897642 cubic inches would be around 412.1 feet tall.
Recreational maths with 120921897642
- 120921897642 backwards is 246798129021
- The number of decimal digits it has is: 12
- The sum of 120921897642's digits is 51
- More coming soon!
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