842949870

Names of 842949870

• Cardinal: 842949870 can be written as Eight hundred forty-two million, nine hundred forty-nine thousand, eight hundred seventy.

Scientific notation

• Scientific notation: 8.4294987 × 10⁸

Factors of 842949870

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 4014064

Divisors of 842949870

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 4014047 8028094 12042141 20070235 24084282 28098329 40140470 56196658 60210705 84294987 120421410 140491645 168589974 280983290 421474935 842949870
• Sum of all divisors σ(n): 2312091648
• Sum of proper divisors (its aliquot sum) s(n): 1469141778
• 842949870 is an abundant number, because the sum of its proper divisors (1469141778) is greater than itself. Its abundance is 626191908

Bases of 842949870

• Binary: 110010001111100110010011101110₂
• Hexadecimal: 0x323E64EE
• Base-36: DXVCA6

Squares and roots of 842949870

• 842949870 squared (842949870²) is 710564483333016900
• 842949870 cubed (842949870³) is 598970238852183762562803000
• The square root of 842949870 is 29033.5989846247
• The cube root of 842949870 is 944.6419964703

Scales and comparisons

• 842,949,870 seconds is equal to 26 years, 41 weeks, 5 days, 8 hours, 44 minutes, 30 seconds.
• To count from 1 to 842,949,870 would take you about forty 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 842949870 cubic inches would be around 78.7 feet tall.

Recreational maths with 842949870

• 842949870 backwards is 078949248
• The number of decimal digits it has is: 9
• The sum of 842949870's digits is 51
• More coming soon!