138219021399949

Names of 138219021399949

• Cardinal: 138219021399949 can be written as One hundred thirty-eight trillion, two hundred nineteen billion, twenty-one million, three hundred ninety-nine thousand, nine hundred forty-nine.

Scientific notation

• Scientific notation: 1.38219021399949 × 10¹⁴

Factors of 138219021399949

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 111979

Divisors of 138219021399949

• Number of divisors d(n): 48
• Complete list of divisors:
  1 7 23 49 161 307 1127 2149 3701 7061 15043 25907 49427 85123 107941 181349 345989 595861 755587 1136207 2482643 4171027 5289109 7953449 17378501 26132761 33137887 55674143 121649507 182929327 231965209 399489641 762171401 1280505289 1623756463 2796427487 5335199807 9188261743 19574992409 37346398649 64317832201 122643319787 450224825407 858503238509 2820796355101 6009522669563 19745574485707 138219021399949
• Sum of all divisors σ(n): 168369603405696
• Sum of proper divisors (its aliquot sum) s(n): 30150582005747
• 138219021399949 is a deficient number, because the sum of its proper divisors (30150582005747) is less than itself. Its deficiency is 108068439394202

Bases of 138219021399949

• Binary: 11111011011010110011111101010111111011110001101₂
• Hexadecimal: 0x7DB59FABF78D
• Base-36: 1CZSXWMR9P

Squares and roots of 138219021399949

• 138219021399949 squared (138219021399949²) is 19104497876759559619817202601
• 138219021399949 cubed (138219021399949³) is 2640605000863109804354375052855143984067349
• The square root of 138219021399949 is 11756658.5984262127
• The cube root of 138219021399949 is 51703.8168599445

Scales and comparisons

• 138,219,021,399,949 seconds is equal to 4,394,937 years, 17 weeks, 5 days, 3 hours, 5 minutes, 49 seconds.
• To count from 1 to 138,219,021,399,949 would take you about ten million, nine hundred eighty-seven thousand, three hundred forty-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 138219021399949 cubic inches would be around 4308.7 feet tall.

Recreational maths with 138219021399949

• 138219021399949 backwards is 949993120912831
• The number of decimal digits it has is: 15
• The sum of 138219021399949's digits is 70
• More coming soon!