1618435242

Names of 1618435242

• Cardinal: 1618435242 can be written as One billion, six hundred eighteen million, four hundred thirty-five thousand, two hundred forty-two.

Scientific notation

• Scientific notation: 1.618435242 × 10⁹

Factors of 1618435242

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1100

Divisors of 1618435242

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 6 9 18 27 53 54 81 106 159 162 233 318 466 477 699 809 954 1398 1431 1618 2097 2427 2862 4194 4293 4854 6291 7281 8586 12349 12582 14562 18873 21843 24698 37047 37746 42877 43686 65529 74094 85754 111141 128631 131058 188497 222282 257262 333423 376994 385893 565491 666846 771786 1000269 1130982 1157679 1696473 2000538 2315358 3392946 3473037 5089419 6946074 9990341 10178838 15268257 19980682 29971023 30536514 59942046 89913069 179826138 269739207 539478414 809217621 1618435242
• Sum of all divisors σ(n): 3715363080
• Sum of proper divisors (its aliquot sum) s(n): 2096927838
• 1618435242 is an abundant number, because the sum of its proper divisors (2096927838) is greater than itself. Its abundance is 478492596

Bases of 1618435242

• Binary: 1100000011101110101110010101010₂
• Hexadecimal: 0x60775CAA
• Base-36: QRKOMI

Squares and roots of 1618435242

• 1618435242 squared (1618435242²) is 2619332632547598564
• 1618435242 cubed (1618435242³) is 4239220243035669758446192488
• The square root of 1618435242 is 40229.7805363141
• The cube root of 1618435242 is 1174.0820334723

Scales and comparisons

• 1,618,435,242 seconds is equal to 51 years, 23 weeks, 6 days, 21 hours, 20 minutes, 42 seconds.
• To count from 1 to 1,618,435,242 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 1618435242 cubic inches would be around 97.8 feet tall.

Recreational maths with 1618435242

• 1618435242 backwards is 2425348161
• The number of decimal digits it has is: 10
• The sum of 1618435242's digits is 36
• More coming soon!