1940013145

Names of 1940013145

• Cardinal: 1940013145 can be written as One billion, nine hundred forty million, thirteen thousand, one hundred forty-five.

Scientific notation

• Scientific notation: 1.940013145 × 10⁹

Factors of 1940013145

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2113

Divisors of 1940013145

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 7 19 29 35 49 95 133 145 203 245 343 551 665 931 1015 1421 1715 2053 2755 3857 4655 6517 7105 9947 10265 14371 19285 26999 32585 39007 49735 59537 71855 100597 134995 188993 195035 273049 297685 416759 502985 704179 944965 1131203 1365245 1911343 2083795 2917313 3520895 5656015 7918421 9556715 13379401 14586565 20421191 39592105 55428947 66897005 102105955 277144735 388002629 1940013145
• Sum of all divisors σ(n): 2957760000
• Sum of proper divisors (its aliquot sum) s(n): 1017746855
• 1940013145 is a deficient number, because the sum of its proper divisors (1017746855) is less than itself. Its deficiency is 922266290

Bases of 1940013145

• Binary: 1110011101000100100000001011001₂
• Hexadecimal: 0x73A24059
• Base-36: W317Q1

Squares and roots of 1940013145

• 1940013145 squared (1940013145²) is 3763651002772791025
• 1940013145 cubed (1940013145³) is 7301532418571646036838023625
• The square root of 1940013145 is 44045.5803117635
• The cube root of 1940013145 is 1247.1965213735

Scales and comparisons

• 1,940,013,145 seconds is equal to 61 years, 35 weeks, 4 days, 20 hours, 32 minutes, 25 seconds.
• To count from 1 to 1,940,013,145 would take you about one hundred twenty-three 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 1940013145 cubic inches would be around 103.9 feet tall.

Recreational maths with 1940013145

• 1940013145 backwards is 5413100491
• The number of decimal digits it has is: 10
• The sum of 1940013145's digits is 28
• More coming soon!