138968687702

Names of 138968687702

• Cardinal: 138968687702 can be written as One hundred thirty-eight billion, nine hundred sixty-eight million, six hundred eighty-seven thousand, seven hundred two.

Scientific notation

• Scientific notation: 1.38968687702 × 10¹¹

Factors of 138968687702

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3057

Divisors of 138968687702

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 13 19 26 38 193 247 386 494 677 1354 2153 2509 3667 4306 5018 7334 8801 12863 17602 25726 27989 40907 47671 55978 81814 95342 130661 167219 261322 334438 415529 531791 831058 1063582 1457581 1698593 2482559 2915162 3397186 4965118 5401877 7895051 10803754 15790102 18948553 27694039 32273267 37897106 55388078 64546534 102635663 205271326 281313133 360022507 562626266 720045014 3657070729 5344949527 7314141458 10689899054 69484343851 138968687702
• Sum of all divisors σ(n): 237988739520
• Sum of proper divisors (its aliquot sum) s(n): 99020051818
• 138968687702 is a deficient number, because the sum of its proper divisors (99020051818) is less than itself. Its deficiency is 39948635884

Bases of 138968687702

• Binary: 10000001011011001011011110010001010110₂
• Hexadecimal: 0x205B2DE456
• Base-36: 1RUAD9P2

Squares and roots of 138968687702

• 138968687702 squared (138968687702²) is 19312296161616006040804
• 138968687702 cubed (138968687702³) is 2683804454092148063129036544992408
• The square root of 138968687702 is 372785.0422187027
• The cube root of 138968687702 is 5179.7124672319

Scales and comparisons

• 138,968,687,702 seconds is equal to 4,418 years, 40 weeks, 1 day, 21 hours, 15 minutes, 2 seconds.
• To count from 1 to 138,968,687,702 would take you about eight thousand, eight hundred thirty-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 138968687702 cubic inches would be around 431.6 feet tall.

Recreational maths with 138968687702

• 138968687702 backwards is 207786869831
• The number of decimal digits it has is: 12
• The sum of 138968687702's digits is 65
• More coming soon!