1210400890

Names of 1210400890

• Cardinal: 1210400890 can be written as One billion, two hundred ten million, four hundred thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.21040089 × 10⁹

Factors of 1210400890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2455

Divisors of 1210400890

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 10 19 31 38 62 89 95 155 178 190 310 445 589 890 1178 1691 2309 2759 2945 3382 4618 5518 5890 8455 11545 13795 16910 23090 27590 43871 52421 71579 87742 104842 143158 205501 219355 262105 357895 411002 438710 524210 715790 1027505 1360001 2055010 2720002 3904519 6370531 6800005 7809038 12741062 13600010 19522595 31852655 39045190 63705310 121040089 242080178 605200445 1210400890
• Sum of all divisors σ(n): 2395008000
• Sum of proper divisors (its aliquot sum) s(n): 1184607110
• 1210400890 is a deficient number, because the sum of its proper divisors (1184607110) is less than itself. Its deficiency is 25793780

Bases of 1210400890

• Binary: 1001000001001010100000001111010₂
• Hexadecimal: 0x4825407A
• Base-36: K0N3AY

Squares and roots of 1210400890

• 1210400890 squared (1210400890²) is 1465070314512792100
• 1210400890 cubed (1210400890³) is 1773322412598863474224969000
• The square root of 1210400890 is 34790.8161732375
• The cube root of 1210400890 is 1065.7199067697

Scales and comparisons

• 1,210,400,890 seconds is equal to 38 years, 25 weeks, 2 days, 6 hours, 28 minutes, 10 seconds.
• To count from 1 to 1,210,400,890 would take you about seventy-six 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 1210400890 cubic inches would be around 88.8 feet tall.

Recreational maths with 1210400890

• 1210400890 backwards is 0980040121
• The number of decimal digits it has is: 10
• The sum of 1210400890's digits is 25
• More coming soon!