155538525012

Names of 155538525012

• Cardinal: 155538525012 can be written as One hundred fifty-five billion, five hundred thirty-eight million, five hundred twenty-five thousand and twelve.

Scientific notation

• Scientific notation: 1.55538525012 × 10¹¹

Factors of 155538525012

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 822

Divisors of 155538525012

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 12 13 26 39 52 78 113 156 226 339 452 678 691 1356 1382 1469 2073 2764 2938 4146 4407 5876 8292 8814 8983 12769 17628 17966 25538 26949 35932 38307 51076 53898 76614 78083 107796 153228 156166 165997 234249 312332 331994 468498 497991 663988 936996 995982 1015079 1442897 1991964 2030158 2885794 3045237 4060316 4328691 5771588 6090474 8657382 8823379 12180948 17314764 17646758 18757661 26470137 35293516 37515322 52940274 56272983 75030644 105880548 112545966 114703927 225091932 229407854 344111781 458815708 688223562 997041827 1376447124 1994083654 2991125481 3988167308 5982250962 11964501924 12961543751 25923087502 38884631253 51846175004 77769262506 155538525012
• Sum of all divisors σ(n): 394900705920
• Sum of proper divisors (its aliquot sum) s(n): 239362180908
• 155538525012 is an abundant number, because the sum of its proper divisors (239362180908) is greater than itself. Its abundance is 83823655896

Bases of 155538525012

• Binary: 10010000110110110100011000101101010100₂
• Hexadecimal: 0x2436D18B54
• Base-36: 1ZGBMDZO

Squares and roots of 155538525012

• 155538525012 squared (155538525012²) is 24192232762908549600144
• 155538525012 cubed (155538525012³) is 3762824200689777307850640142801728
• The square root of 155538525012 is 394383.7281278225
• The cube root of 155538525012 is 5377.8992112509

Scales and comparisons

• 155,538,525,012 seconds is equal to 4,945 years, 33 weeks, 3 days, 9 hours, 50 minutes, 12 seconds.
• To count from 1 to 155,538,525,012 would take you about nine thousand, eight hundred ninety-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 155538525012 cubic inches would be around 448.2 feet tall.

Recreational maths with 155538525012

• 155538525012 backwards is 210525835551
• The number of decimal digits it has is: 12
• The sum of 155538525012's digits is 42
• More coming soon!