42640697808

Names of 42640697808

• Cardinal: 42640697808 can be written as Forty-two billion, six hundred forty million, six hundred ninety-seven thousand, eight hundred eight.

Scientific notation

• Scientific notation: 4.2640697808 × 10¹⁰

Factors of 42640697808

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 32901778

Divisors of 42640697808

• Number of divisors d(n): 50
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 324 432 648 1296 32901773 65803546 98705319 131607092 197410638 263214184 296115957 394821276 526428368 592231914 789642552 888347871 1184463828 1579285104 1776695742 2368927656 2665043613 3553391484 4737855312 5330087226 7106782968 10660174452 14213565936 21320348904 42640697808
• Sum of all divisors σ(n): 123414554274
• Sum of proper divisors (its aliquot sum) s(n): 80773856466
• 42640697808 is an abundant number, because the sum of its proper divisors (80773856466) is greater than itself. Its abundance is 38133158658

Bases of 42640697808

• Binary: 100111101101100101010110100111010000₂
• Hexadecimal: 0x9ED9569D0
• Base-36: JL76500

Squares and roots of 42640697808

• 42640697808 squared (42640697808²) is 1818229109553176004864
• 42640697808 cubed (42640697808³) is 77530558006165903930042562138112
• The square root of 42640697808 is 206496.2416316577
• The cube root of 42640697808 is 3493.6127810785

Scales and comparisons

• 42,640,697,808 seconds is equal to 1,355 years, 43 weeks, 5 days, 14 hours, 16 minutes, 48 seconds.
• To count from 1 to 42,640,697,808 would take you about two thousand, seven hundred eleven 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 42640697808 cubic inches would be around 291.1 feet tall.

Recreational maths with 42640697808

• 42640697808 backwards is 80879604624
• 42640697808 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 42640697808's digits is 54
• More coming soon!