138339851769

Names of 138339851769

• Cardinal: 138339851769 can be written as One hundred thirty-eight billion, three hundred thirty-nine million, eight hundred fifty-one thousand, seven hundred sixty-nine.

Scientific notation

• Scientific notation: 1.38339851769 × 10¹¹

Factors of 138339851769

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 226

Divisors of 138339851769

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 21 49 63 67 147 149 201 343 441 447 469 603 1029 1043 1341 1407 3087 3129 3283 4221 4489 7301 9387 9849 9983 13467 21903 22981 29547 29949 31423 40401 51107 65709 68943 69881 89847 94269 153321 206829 209643 219961 282807 300763 459963 489167 628929 659883 668861 902289 1467501 1539727 1979649 2006583 2105341 2706867 3424169 4402503 4619181 4682027 6019749 6316023 10272507 13857543 14046081 14737387 18948069 30817521 32774189 42138243 44212161 44813687 98322567 103161709 132636483 134441061 229419323 294967701 309485127 313695809 403323183 688257969 928455381 941087427 2064773907 2195870663 2823262281 6587611989 15371094641 19762835967 46113283923 138339851769
• Sum of all divisors σ(n): 238149600000
• Sum of proper divisors (its aliquot sum) s(n): 99809748231
• 138339851769 is a deficient number, because the sum of its proper divisors (99809748231) is less than itself. Its deficiency is 38530103538

Bases of 138339851769

• Binary: 10000000110101101100101001110111111001₂
• Hexadecimal: 0x2035B29DF9
• Base-36: 1RJVZ4S9

Squares and roots of 138339851769

• 138339851769 squared (138339851769²) is 19137914587468892429361
• 138339851769 cubed (138339851769³) is 2647536267198229363576407043389609
• The square root of 138339851769 is 371940.6562463963
• The cube root of 138339851769 is 5171.8878876767

Scales and comparisons

• 138,339,851,769 seconds is equal to 4,398 years, 40 weeks, 3 days, 16 hours, 36 minutes, 9 seconds.
• To count from 1 to 138,339,851,769 would take you about eight thousand, seven hundred ninety-seven 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 138339851769 cubic inches would be around 431 feet tall.

Recreational maths with 138339851769

• 138339851769 backwards is 967158933831
• 138339851769 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138339851769's digits is 63
• More coming soon!