7997149105

Names of 7997149105

• Cardinal: 7997149105 can be written as Seven billion, nine hundred ninety-seven million, one hundred forty-nine thousand, one hundred five.

Scientific notation

• Scientific notation: 7.997149105 × 10⁹

Factors of 7997149105

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2938

Divisors of 7997149105

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 11 23 37 55 61 115 185 253 305 407 671 851 1265 1403 2035 2257 2801 3355 4255 7015 9361 11285 14005 15433 24827 30811 46805 51911 64423 77165 103637 124135 154055 170861 259555 322115 518185 571021 708653 854305 1140007 1879471 2383651 2855105 3543265 3929803 5700035 6321857 9397355 11918255 19649015 26220161 31609285 43227833 69540427 131100805 145402711 216139165 347702135 727013555 1599429821 7997149105
• Sum of all divisors σ(n): 11407412736
• Sum of proper divisors (its aliquot sum) s(n): 3410263631
• 7997149105 is a deficient number, because the sum of its proper divisors (3410263631) is less than itself. Its deficiency is 4586885474

Bases of 7997149105

• Binary: 111011100101010101100111110110001₂
• Hexadecimal: 0x1DCAACFB1
• Base-36: 3O9ANQP

Squares and roots of 7997149105

• 7997149105 squared (7997149105²) is 63954393807602301025
• 7997149105 cubed (7997149105³) is 511452823199284283838019332625
• The square root of 7997149105 is 89426.7806923631
• The cube root of 7997149105 is 1999.7623971903

Scales and comparisons

• 7,997,149,105 seconds is equal to 254 years, 14 weeks, 5 days, 14 hours, 18 minutes, 25 seconds.
• To count from 1 to 7,997,149,105 would take you about five hundred eight 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 7997149105 cubic inches would be around 166.6 feet tall.

Recreational maths with 7997149105

• 7997149105 backwards is 5019417997
• The number of decimal digits it has is: 10
• The sum of 7997149105's digits is 52
• More coming soon!