121378618985

121,378,618,985 is an odd composite number composed of four prime numbers multiplied together.

What does the number 121378618985 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 36 divisors.

121378618985 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 121378618985:

5 × 13 × 79² × 547²

(5 × 13 × 79 × 79 × 547 × 547)

See below for interesting mathematical facts about the number 121378618985 from the Numbermatics database.

Names of 121378618985

Cardinal: 121378618985 can be written as One hundred twenty-one billion, three hundred seventy-eight million, six hundred eighteen thousand, nine hundred eighty-five.

Scientific notation

Scientific notation: 1.21378618985 × 10¹¹

Factors of 121378618985

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 644

Divisors of 121378618985

Number of divisors d(n): 36
Complete list of divisors:
1 5 13 65 79 395 547 1027 2735 5135 6241 7111 31205 35555 43213 81133 216065 299209 405665 561769 1496045 2808845 3413827 3889717 17069135 19448585 23637511 44379751 118187555 221898755 307287643 1536438215 1867363369 9336816845 24275723797 121378618985
Sum of all divisors σ(n): 159160175748
Sum of proper divisors (its aliquot sum) s(n): 37781556763
121378618985 is a deficient number, because the sum of its proper divisors (37781556763) is less than itself. Its deficiency is 83597062222

Bases of 121378618985

Binary: 1110001000010101110101011111001101001₂
Hexadecimal: 0x1C42BABE69
Base-36: 1JRDP1T5

Squares and roots of 121378618985

121378618985 squared (121378618985²) is 14732769146705802430225
121378618985 cubed (121378618985³) is 1788243172851967161066967322821625
The square root of 121378618985 is 348394.3440772253
The cube root of 121378618985 is 4951.2409769579

Scales and comparisons

How big is 121378618985?

121,378,618,985 seconds is equal to 3,859 years, 24 weeks, 1 day, 3 hours, 3 minutes, 5 seconds.
To count from 1 to 121,378,618,985 would take you about seven thousand, seven hundred eighteen 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 121378618985 cubic inches would be around 412.6 feet tall.

Recreational maths with 121378618985

121378618985 backwards is 589816873121
The number of decimal digits it has is: 12
The sum of 121378618985's digits is 59
More coming soon!

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The information we have on file for 121378618985 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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