19980864

Names of 19980864

• Cardinal: 19980864 can be written as Nineteen million, nine hundred eighty thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.9980864 × 10⁷

Factors of 19980864

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 409

Divisors of 19980864

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 31 32 36 48 54 62 64 72 93 96 108 124 144 186 192 216 248 279 288 372 373 432 496 558 576 744 746 837 864 992 1116 1119 1488 1492 1674 1728 1984 2232 2238 2976 2984 3348 3357 4464 4476 5952 5968 6696 6714 8928 8952 10071 11563 11936 13392 13428 17856 17904 20142 23126 23872 26784 26856 34689 35808 40284 46252 53568 53712 69378 71616 80568 92504 104067 107424 138756 161136 185008 208134 214848 277512 312201 322272 370016 416268 555024 624402 644544 740032 832536 1110048 1248804 1665072 2220096 2497608 3330144 4995216 6660288 9990432 19980864
• Sum of all divisors σ(n): 60797440
• Sum of proper divisors (its aliquot sum) s(n): 40816576
• 19980864 is an abundant number, because the sum of its proper divisors (40816576) is greater than itself. Its abundance is 20835712

Bases of 19980864

• Binary: 1001100001110001001000000₂
• Hexadecimal: 0x130E240
• Base-36: BW9C0

Squares and roots of 19980864

• 19980864 squared (19980864²) is 399234926186496
• 19980864 cubed (19980864³) is 7977058764182415212544
• The square root of 19980864 is 4469.9959731525
• The cube root of 19980864 is 271.3551622083

Scales and comparisons

• 19,980,864 seconds is equal to 33 weeks, 6 hours, 14 minutes, 24 seconds.
• To count from 1 to 19,980,864 would take you about forty-nine weeks!

  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 19980864 cubic inches would be around 22.6 feet tall.

Recreational maths with 19980864

• 19980864 backwards is 46808991
• The number of decimal digits it has is: 8
• The sum of 19980864's digits is 45
• More coming soon!