1680249249

Names of 1680249249

• Cardinal: 1680249249 can be written as One billion, six hundred eighty million, two hundred forty-nine thousand, two hundred forty-nine.

Scientific notation

• Scientific notation: 1.680249249 × 10⁹

Factors of 1680249249

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 210

Divisors of 1680249249

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 19 21 41 49 57 63 67 73 123 133 147 171 201 219 287 369 399 441 469 511 603 657 779 861 931 1197 1273 1387 1407 1533 2009 2337 2583 2747 2793 2993 3283 3577 3819 4161 4221 4599 4891 5453 6027 7011 8241 8379 8911 8979 9709 9849 10731 11457 12483 14673 16359 18081 19229 20951 24723 26733 26937 29127 29547 32193 34237 38171 44019 49077 52193 56867 57687 62377 62853 67963 80199 87381 92929 102711 114513 134603 146657 156579 170601 173061 187131 188559 200531 203889 239659 278787 308133 343539 365351 398069 403809 439971 469737 511803 561393 601593 611667 650503 718977 836361 1096053 1194207 1211427 1319913 1403717 1804779 1951509 2156931 2557457 2786483 3288159 3582621 3810089 4211151 4553521 5854527 7672371 8359449 9826019 11430267 12633453 13660563 23017113 25078347 26670623 29478057 34290801 40981689 80011869 88434171 186694361 240035607 560083083 1680249249
• Sum of all divisors σ(n): 3132118080
• Sum of proper divisors (its aliquot sum) s(n): 1451868831
• 1680249249 is a deficient number, because the sum of its proper divisors (1451868831) is less than itself. Its deficiency is 228380418

Bases of 1680249249

• Binary: 1100100001001101001000110100001₂
• Hexadecimal: 0x642691A1
• Base-36: RSDKM9

Squares and roots of 1680249249

• 1680249249 squared (1680249249²) is 2823237538765064001
• 1680249249 cubed (1680249249³) is 4743742754258607175117185249
• The square root of 1680249249 is 40990.8434775379
• The cube root of 1680249249 is 1188.8431779869

Scales and comparisons

• 1,680,249,249 seconds is equal to 53 years, 22 weeks, 1 day, 7 hours, 54 minutes, 9 seconds.
• To count from 1 to 1,680,249,249 would take you about one hundred 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 1680249249 cubic inches would be around 99.1 feet tall.

Recreational maths with 1680249249

• 1680249249 backwards is 9429420861
• The number of decimal digits it has is: 10
• The sum of 1680249249's digits is 45
• More coming soon!