1982917209

Names of 1982917209

• Cardinal: 1982917209 can be written as One billion, nine hundred eighty-two million, nine hundred seventeen thousand, two hundred nine.

Scientific notation

• Scientific notation: 1.982917209 × 10⁹

Factors of 1982917209

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1970

Divisors of 1982917209

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 13 21 37 39 91 109 111 259 273 327 481 763 777 1417 1443 1801 2289 3367 4033 4251 5403 9919 10101 12099 12607 23413 28231 29757 37821 52429 66637 70239 84693 157287 163891 196309 199911 367003 466459 491673 588927 866281 1101009 1374163 1399377 2552017 2598843 4122489 6063967 7263433 7656051 17864119 18191901 21790299 50844031 53592357 94424629 152532093 283273887 660972403 1982917209
• Sum of all divisors σ(n): 3374497280
• Sum of proper divisors (its aliquot sum) s(n): 1391580071
• 1982917209 is a deficient number, because the sum of its proper divisors (1391580071) is less than itself. Its deficiency is 591337138

Bases of 1982917209

• Binary: 1110110001100001110101001011001₂
• Hexadecimal: 0x7630EA59
• Base-36: WSKSPL

Squares and roots of 1982917209

• 1982917209 squared (1982917209²) is 3931960657748349681
• 1982917209 cubed (1982917209³) is 7796752453360161773804560329
• The square root of 1982917209 is 44529.9585560103
• The cube root of 1982917209 is 1256.3236267039

Scales and comparisons

• 1,982,917,209 seconds is equal to 63 years, 2 weeks, 4 days, 10 hours, 20 minutes, 9 seconds.
• To count from 1 to 1,982,917,209 would take you about one hundred twenty-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 1982917209 cubic inches would be around 104.7 feet tall.

Recreational maths with 1982917209

• 1982917209 backwards is 9027192891
• The number of decimal digits it has is: 10
• The sum of 1982917209's digits is 48
• More coming soon!