87420010125

Names of 87420010125

• Cardinal: 87420010125 can be written as Eighty-seven billion, four hundred twenty million, ten thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 8.7420010125 × 10¹⁰

Factors of 87420010125

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 12477

Divisors of 87420010125

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 5 7 15 21 25 35 75 105 125 175 375 525 875 2625 3881 8581 11643 19405 25743 27167 42905 58215 60067 81501 97025 128715 135835 180201 214525 291075 300335 407505 485125 643575 679175 901005 1072625 1455375 1501675 2037525 3217875 3395875 4505025 7508375 10187625 22525125 33302861 99908583 166514305 233120027 499542915 699360081 832571525 1165600135 2497714575 3496800405 4162857625 5828000675 12488572875 17484002025 29140003375 87420010125
• Sum of all divisors σ(n): 166310097408
• Sum of proper divisors (its aliquot sum) s(n): 78890087283
• 87420010125 is a deficient number, because the sum of its proper divisors (78890087283) is less than itself. Its deficiency is 8529922842

Bases of 87420010125

• Binary: 1010001011010101000110111111010001101₂
• Hexadecimal: 0x145AA37E8D
• Base-36: 145RM7IL

Squares and roots of 87420010125

• 87420010125 squared (87420010125²) is 7642258170255102515625
• 87420010125 cubed (87420010125³) is 668086286621565035748850470703125
• The square root of 87420010125 is 295668.7506737903
• The cube root of 87420010125 is 4438.1667709307

Scales and comparisons

• 87,420,010,125 seconds is equal to 2,779 years, 35 weeks, 4 days, 16 hours, 8 minutes, 45 seconds.
• To count from 1 to 87,420,010,125 would take you about five thousand, five hundred fifty-nine 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 87420010125 cubic inches would be around 369.8 feet tall.

Recreational maths with 87420010125

• 87420010125 backwards is 52101002478
• The number of decimal digits it has is: 11
• The sum of 87420010125's digits is 30
• More coming soon!