159540399920

Names of 159540399920

• Cardinal: 159540399920 can be written as One hundred fifty-nine billion, five hundred forty million, three hundred ninety-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.5954039992 × 10¹¹

Factors of 159540399920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1795128

Divisors of 159540399920

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 101 110 176 202 220 404 440 505 808 880 1010 1111 1616 2020 2222 4040 4444 5555 8080 8888 11110 17776 22220 44440 88880 1795009 3590018 7180036 8975045 14360072 17950090 19745099 28720144 35900180 39490198 71800360 78980396 98725495 143600720 157960792 181295909 197450990 315921584 362591818 394901980 725183636 789803960 906479545 1450367272 1579607920 1812959090 1994254999 2900734544 3625918180 3988509998 7251836360 7977019996 9971274995 14503672720 15954039992 19942549990 31908079984 39885099980 79770199960 159540399920
• Sum of all divisors σ(n): 408659156640
• Sum of proper divisors (its aliquot sum) s(n): 249118756720
• 159540399920 is an abundant number, because the sum of its proper divisors (249118756720) is greater than itself. Its abundance is 89578356800

Bases of 159540399920

• Binary: 10010100100101010110010100111100110000₂
• Hexadecimal: 0x2525594F30
• Base-36: 21AI8GFK

Squares and roots of 159540399920

• 159540399920 squared (159540399920²) is 25453139206633536006400
• 159540399920 cubed (159540399920³) is 4060804008245745851344775679488000
• The square root of 159540399920 is 399425.0867434343
• The cube root of 159540399920 is 5423.6321373995

Scales and comparisons

• 159,540,399,920 seconds is equal to 5,072 years, 46 weeks, 2 days, 9 hours, 45 minutes, 20 seconds.
• To count from 1 to 159,540,399,920 would take you about ten thousand, one hundred forty-five 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 159540399920 cubic inches would be around 452 feet tall.

Recreational maths with 159540399920

• 159540399920 backwards is 029993045951
• The number of decimal digits it has is: 12
• The sum of 159540399920's digits is 56
• More coming soon!