138877711569

Names of 138877711569

• Cardinal: 138877711569 can be written as One hundred thirty-eight billion, eight hundred seventy-seven million, seven hundred eleven thousand, five hundred sixty-nine.

Scientific notation

• Scientific notation: 1.38877711569 × 10¹¹

Factors of 138877711569

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 931

Divisors of 138877711569

• Number of divisors d(n): 45
• Complete list of divisors:
  1 3 9 27 47 81 141 423 881 1269 2209 2643 3807 6627 7929 19881 23787 41407 59643 71361 124221 178929 372663 776161 1117989 1946129 2328483 3353967 5838387 6985449 17515161 20956347 36479567 52545483 62869041 109438701 157636449 328316103 984948309 1714539649 2954844927 5143618947 15430856841 46292570523 138877711569
• Sum of all divisors σ(n): 212208112171
• Sum of proper divisors (its aliquot sum) s(n): 73330400602
• 138877711569 is a deficient number, because the sum of its proper divisors (73330400602) is less than itself. Its deficiency is 65547310967

Bases of 138877711569

• Binary: 10000001010101110000011011010011010001₂
• Hexadecimal: 0x2055C1B4D1
• Base-36: 1RSS7C29

Squares and roots of 138877711569

• 138877711569 squared (138877711569²) is 19287018770642356441761
• 138877711569 cubed (138877711569³) is 2678537029855158142773373304433009
• 138877711569 is a perfect square number. Its square root is 372663
• The cube root of 138877711569 is 5178.5819174029

Scales and comparisons

• 138,877,711,569 seconds is equal to 4,415 years, 45 weeks, 5 days, 22 hours, 6 minutes, 9 seconds.
• To count from 1 to 138,877,711,569 would take you about eight thousand, eight hundred thirty-one 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 138877711569 cubic inches would be around 431.5 feet tall.

Recreational maths with 138877711569

• 138877711569 backwards is 965117778831
• The number of decimal digits it has is: 12
• The sum of 138877711569's digits is 63
• More coming soon!