1664542740

Names of 1664542740

• Cardinal: 1664542740 can be written as One billion, six hundred sixty-four million, five hundred forty-two thousand, seven hundred forty.

Scientific notation

• Scientific notation: 1.66454274 × 10⁹

Factors of 1664542740

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2477

Divisors of 1664542740

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 105 140 147 196 210 245 257 294 420 490 514 588 735 771 980 1028 1285 1470 1542 1799 2203 2570 2940 3084 3598 3855 4406 5140 5397 6609 7196 7710 8812 8995 10794 11015 12593 13218 15420 15421 17990 21588 22030 25186 26436 26985 30842 33045 35980 37779 44060 46263 50372 53970 61684 62965 66090 75558 77105 92526 107940 107947 125930 132180 151116 154210 185052 188895 215894 231315 251860 308420 323841 377790 431788 462630 539735 566171 647682 755580 925260 1079470 1132342 1295364 1619205 1698513 2158940 2264684 2830855 3238410 3397026 3963197 5661710 6476820 6794052 7926394 8492565 11323420 11889591 15852788 16985130 19815985 23779182 27742379 33970260 39631970 47558364 55484758 59447955 79263940 83227137 110969516 118895910 138711895 166454274 237791820 277423790 332908548 416135685 554847580 832271370 1664542740
• Sum of all divisors σ(n): 5445220032
• Sum of proper divisors (its aliquot sum) s(n): 3780677292
• 1664542740 is an abundant number, because the sum of its proper divisors (3780677292) is greater than itself. Its abundance is 2116134552

Bases of 1664542740

• Binary: 1100011001101101110100000010100₂
• Hexadecimal: 0x6336E814
• Base-36: RJ0XEC

Squares and roots of 1664542740

• 1664542740 squared (1664542740²) is 2770702533286707600
• 1664542740 cubed (1664542740³) is 4611952786481997474082824000
• The square root of 1664542740 is 40798.8080708249
• The cube root of 1664542740 is 1185.1272487041

Scales and comparisons

• 1,664,542,740 seconds is equal to 52 years, 48 weeks, 1 day, 12 hours, 59 minutes.
• To count from 1 to 1,664,542,740 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 1664542740 cubic inches would be around 98.8 feet tall.

Recreational maths with 1664542740

• 1664542740 backwards is 0472454661
• The number of decimal digits it has is: 10
• The sum of 1664542740's digits is 39
• More coming soon!