40345118972158644

Names of 40345118972158644

• Cardinal: 40345118972158644 can be written as Forty quadrillion, three hundred forty-five trillion, one hundred eighteen billion, nine hundred seventy-two million, one hundred fifty-eight thousand, six hundred forty-four.

Scientific notation

• Scientific notation: 4.0345118972158644 × 10¹⁶

Factors of 40345118972158644

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 160099678460959

Divisors of 40345118972158644

• Number of divisors d(n): 36
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 160099678460947 320199356921894 480299035382841 640398713843788 960598070765682 1120697749226629 1440897106148523 1921196141531364 2241395498453258 2881794212297046 3362093247679887 4482790996906516 5763588424594092 6724186495359774 10086279743039661 13448372990719548 20172559486079322 40345118972158644
• Sum of all divisors σ(n): 116552565919570144
• Sum of proper divisors (its aliquot sum) s(n): 76207446947411500
• 40345118972158644 is an abundant number, because the sum of its proper divisors (76207446947411500) is greater than itself. Its abundance is 35862327975252856

Bases of 40345118972158644

• Binary: 10001111010101011010110000000100110000011010001010110100₂
• Hexadecimal: 0x8F55AC04C1A2B4
• Base-36: B195FSBX510

Squares and roots of 40345118972158644

• 40345118972158644 squared (40345118972158644²) is 1627728624877635358892413103918736
• 40345118972158644 cubed (40345118972158644³) is 65670905025076386876513412409649331324317475953984
• The square root of 40345118972158644 is 200860944.3673872703
• The cube root of 40345118972158644 is 342975.9492982279

Scales and comparisons

• 40,345,118,972,158,644 seconds is equal to 1,282,849,987 years, 34 weeks, 5 days, 2 hours, 17 minutes, 24 seconds.
• To count from 1 to 40,345,118,972,158,644 would take you about three billion, eight hundred forty-eight million, five hundred forty-nine thousand, nine hundred sixty-three 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 40345118972158644 cubic inches would be around 28581.3 feet tall.

Recreational maths with 40345118972158644

• 40345118972158644 backwards is 44685127981154304
• The number of decimal digits it has is: 17
• The sum of 40345118972158644's digits is 72
• More coming soon!