1664380440

Names of 1664380440

• Cardinal: 1664380440 can be written as One billion, six hundred sixty-four million, three hundred eighty thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.66438044 × 10⁹

Factors of 1664380440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 11236

Divisors of 1664380440

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 90 108 120 135 139 180 216 270 278 360 417 540 556 695 834 1080 1112 1251 1390 1668 2085 2502 2780 3336 3753 4170 5004 5560 6255 7506 8340 10008 11087 12510 15012 16680 18765 22174 25020 30024 33261 37530 44348 50040 55435 66522 75060 88696 99783 110870 133044 150120 166305 199566 221740 266088 299349 332610 399132 443480 498915 598698 665220 798264 997830 1197396 1330440 1496745 1541093 1995660 2394792 2993490 3082186 3991320 4623279 5986980 6164372 7705465 9246558 11973960 12328744 13869837 15410930 18493116 23116395 27739674 30821860 36986232 41609511 46232790 55479348 61643720 69349185 83219022 92465580 110958696 138698370 166438044 184931160 208047555 277396740 332876088 416095110 554793480 832190220 1664380440
• Sum of all divisors σ(n): 5588352000
• Sum of proper divisors (its aliquot sum) s(n): 3923971560
• 1664380440 is an abundant number, because the sum of its proper divisors (3923971560) is greater than itself. Its abundance is 2259591120

Bases of 1664380440

• Binary: 1100011001101000110111000011000₂
• Hexadecimal: 0x63346E18
• Base-36: RIXG60

Squares and roots of 1664380440

• 1664380440 squared (1664380440²) is 2770162249054593600
• 1664380440 cubed (1664380440³) is 4610603862952874079989184000
• The square root of 1664380440 is 40796.8189936421
• The cube root of 1664380440 is 1185.0887291357

Scales and comparisons

• 1,664,380,440 seconds is equal to 52 years, 47 weeks, 6 days, 15 hours, 54 minutes.
• To count from 1 to 1,664,380,440 would take you about one hundred five 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 1664380440 cubic inches would be around 98.8 feet tall.

Recreational maths with 1664380440

• 1664380440 backwards is 0440834661
• 1664380440 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1664380440's digits is 36
• More coming soon!