138489222818790

Names of 138489222818790

• Cardinal: 138489222818790 can be written as One hundred thirty-eight trillion, four hundred eighty-nine billion, two hundred twenty-two million, eight hundred eighteen thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 1.3848922281879 × 10¹⁴

Factors of 138489222818790

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 170974349169

Divisors of 138489222818790

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 170974349159 341948698318 512923047477 854871745795 1025846094954 1538769142431 1709743491590 2564615237385 3077538284862 4616307427293 5129230474770 7693845712155 9232614854586 13848922281879 15387691424310 23081537136465 27697844563758 46163074272930 69244611409395 138489222818790
• Sum of all divisors σ(n): 372382132470480
• Sum of proper divisors (its aliquot sum) s(n): 233892909651690
• 138489222818790 is an abundant number, because the sum of its proper divisors (233892909651690) is greater than itself. Its abundance is 95403686832900

Bases of 138489222818790

• Binary: 11111011111010010001000111011100110101111100110₂
• Hexadecimal: 0x7DF488EE6BE6
• Base-36: 1D392JKWDI

Squares and roots of 138489222818790

• 138489222818790 squared (138489222818790²) is 19179264836952464833177064100
• 138489222818790 cubed (138489222818790³) is 2656121481505293961577360076210178514439000
• The square root of 138489222818790 is 11768144.4084779143
• The cube root of 138489222818790 is 51737.4864926271

Scales and comparisons

• 138,489,222,818,790 seconds is equal to 4,403,528 years, 47 weeks, 2 days, 8 hours, 46 minutes, 30 seconds.
• To count from 1 to 138,489,222,818,790 would take you about eleven million, eight thousand, eight hundred twenty-two 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 138489222818790 cubic inches would be around 4311.5 feet tall.

Recreational maths with 138489222818790

• 138489222818790 backwards is 097818222984831
• The number of decimal digits it has is: 15
• The sum of 138489222818790's digits is 72
• More coming soon!