1664381290

Names of 1664381290

• Cardinal: 1664381290 can be written as One billion, six hundred sixty-four million, three hundred eighty-one thousand, two hundred ninety.

Scientific notation

• Scientific notation: 1.66438129 × 10⁹

Factors of 1664381290

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 199

Divisors of 1664381290

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 10 11 13 22 26 55 65 71 97 110 130 142 143 169 194 286 338 355 485 710 715 781 845 923 970 1067 1261 1430 1562 1690 1846 1859 2134 2197 2522 3718 3905 4394 4615 5335 6305 6887 7810 9230 9295 10153 10670 10985 11999 12610 13774 13871 16393 18590 20306 21970 23998 24167 27742 32786 34435 48334 50765 59995 68870 69355 75757 81965 89531 101530 119990 120835 131989 138710 151514 155987 163930 179062 180323 213109 241670 263978 311974 360646 378785 426218 447655 659945 757570 779935 895310 901615 984841 1065545 1163903 1319890 1559870 1715857 1803230 1969682 2131090 2327806 2344199 3431714 4688398 4924205 5819515 8579285 9848410 11639030 11720995 12802933 15130739 17158570 23441990 25605866 30261478 64014665 75653695 128029330 151307390 166438129 332876258 832190645 1664381290
• Sum of all divisors σ(n): 3627348480
• Sum of proper divisors (its aliquot sum) s(n): 1962967190
• 1664381290 is an abundant number, because the sum of its proper divisors (1962967190) is greater than itself. Its abundance is 298585900

Bases of 1664381290

• Binary: 1100011001101000111000101101010₂
• Hexadecimal: 0x6334716A
• Base-36: RIXGTM

Squares and roots of 1664381290

• 1664381290 squared (1664381290²) is 2770165078502064100
• 1664381290 cubed (1664381290³) is 4610610926870216714420689000
• The square root of 1664381290 is 40796.8294111199
• The cube root of 1664381290 is 1185.0889308775

Scales and comparisons

• 1,664,381,290 seconds is equal to 52 years, 47 weeks, 6 days, 16 hours, 8 minutes, 10 seconds.
• To count from 1 to 1,664,381,290 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 1664381290 cubic inches would be around 98.8 feet tall.

Recreational maths with 1664381290

• 1664381290 backwards is 0921834661
• The number of decimal digits it has is: 10
• The sum of 1664381290's digits is 40
• More coming soon!