1618420050

Names of 1618420050

• Cardinal: 1618420050 can be written as One billion, six hundred eighteen million, four hundred twenty thousand and fifty.

Scientific notation

• Scientific notation: 1.61842005 × 10⁹

Factors of 1618420050

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1660

Divisors of 1618420050

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 25 26 30 39 45 50 65 75 78 90 117 130 150 169 195 225 234 325 338 390 450 507 585 650 845 975 1014 1170 1521 1637 1690 1950 2197 2535 2925 3042 3274 4225 4394 4911 5070 5850 6591 7605 8185 8450 9822 10985 12675 13182 14733 15210 16370 19773 21281 21970 24555 25350 29466 32955 38025 39546 40925 42562 49110 54925 63843 65910 73665 76050 81850 98865 106405 109850 122775 127686 147330 164775 191529 197730 212810 245550 276653 319215 329550 368325 383058 494325 532025 553306 638430 736650 829959 957645 988650 1064050 1383265 1596075 1659918 1915290 2489877 2766530 3192150 3596489 4149795 4788225 4979754 6916325 7192978 8299590 9576450 10789467 12449385 13832650 17982445 20748975 21578934 24898770 32368401 35964890 41497950 53947335 62246925 64736802 89912225 107894670 124493850 161842005 179824450 269736675 323684010 539473350 809210025 1618420050
• Sum of all divisors σ(n): 4713213960
• Sum of proper divisors (its aliquot sum) s(n): 3094793910
• 1618420050 is an abundant number, because the sum of its proper divisors (3094793910) is greater than itself. Its abundance is 1476373860

Bases of 1618420050

• Binary: 1100000011101110010000101010010₂
• Hexadecimal: 0x60772152
• Base-36: QRKCWI

Squares and roots of 1618420050

• 1618420050 squared (1618420050²) is 2619283458242002500
• 1618420050 cubed (1618420050³) is 4239100865452194598150125000
• The square root of 1618420050 is 40229.5917205233
• The cube root of 1618420050 is 1174.0783598189

Scales and comparisons

• 1,618,420,050 seconds is equal to 51 years, 23 weeks, 6 days, 17 hours, 7 minutes, 30 seconds.
• To count from 1 to 1,618,420,050 would take you about one hundred two 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 1618420050 cubic inches would be around 97.8 feet tall.

Recreational maths with 1618420050

• 1618420050 backwards is 0500248161
• The number of decimal digits it has is: 10
• The sum of 1618420050's digits is 27
• More coming soon!