138120299008

Names of 138120299008

• Cardinal: 138120299008 can be written as One hundred thirty-eight billion, one hundred twenty million, two hundred ninety-nine thousand and eight.

Scientific notation

• Scientific notation: 1.38120299008 × 10¹¹

Factors of 138120299008

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1832

Divisors of 138120299008

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 8 16 32 64 89 128 178 256 356 512 712 1424 1741 2848 3482 5696 6964 11392 13928 22784 27856 45568 55712 111424 154949 222848 309898 445696 619796 891392 1239592 2479184 3031081 4958368 6062162 9916736 12124324 19833472 24248648 39666944 48497296 79333888 96994592 193989184 269766209 387978368 539532418 775956736 1079064836 1551913472 2158129672 4316259344 8632518688 17265037376 34530074752 69060149504 138120299008
• Sum of all divisors σ(n): 279232013610
• Sum of proper divisors (its aliquot sum) s(n): 141111714602
• 138120299008 is an abundant number, because the sum of its proper divisors (141111714602) is greater than itself. Its abundance is 2991415594

Bases of 138120299008

• Binary: 10000000101000100111001000001000000000₂
• Hexadecimal: 0x20289C8200
• Base-36: 1RG99CSG

Squares and roots of 138120299008

• 138120299008 squared (138120299008²) is 19077216998059325784064
• 138120299008 cubed (138120299008³) is 2634950916012454233017803721408512
• The square root of 138120299008 is 371645.3941703033
• The cube root of 138120299008 is 5169.1504178829

Scales and comparisons

• 138,120,299,008 seconds is equal to 4,391 years, 41 weeks, 3 days, 13 hours, 43 minutes, 28 seconds.
• To count from 1 to 138,120,299,008 would take you about eight thousand, seven hundred eighty-three 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 138120299008 cubic inches would be around 430.8 feet tall.

Recreational maths with 138120299008

• 138120299008 backwards is 800992021831
• The number of decimal digits it has is: 12
• The sum of 138120299008's digits is 43
• More coming soon!