1818016946949931

Names of 1818016946949931

• Cardinal: 1818016946949931 can be written as One quadrillion, eight hundred eighteen trillion, sixteen billion, nine hundred forty-six million, nine hundred forty-nine thousand, nine hundred thirty-one.

Scientific notation

• Scientific notation: 1.818016946949931 × 10¹⁵

Factors of 1818016946949931

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 127168139

Divisors of 1818016946949931

• Number of divisors d(n): 32
• Complete list of divisors:
  1 7 13 19 91 133 247 1729 8269 57883 107497 157111 752479 1099777 2042443 14297101 127159831 890118817 1653077803 2416036789 11571544621 16912257523 31408478257 219859347799 1051484642539 7360392497773 13669300353007 19978208208241 95685102471049 139847457457687 259716706707133 1818016946949931
• Sum of all divisors σ(n): 2355610455833600
• Sum of proper divisors (its aliquot sum) s(n): 537593508883669
• 1818016946949931 is a deficient number, because the sum of its proper divisors (537593508883669) is less than itself. Its deficiency is 1280423438066262

Bases of 1818016946949931

• Binary: 110011101010111101000001110010100011000111100101011₂
• Hexadecimal: 0x6757A0E518F2B
• Base-36: HWFLGEEO17

Squares and roots of 1818016946949931

• 1818016946949931 squared (1818016946949931²) is 3305185619397148227963820904761
• 1818016946949931 cubed (1818016946949931³) is 6008883468879220063131649893102450435786521491
• The square root of 1818016946949931 is 42638209.9407319279
• The cube root of 1818016946949931 is 122048.5551364639

Scales and comparisons

• 1,818,016,946,949,931 seconds is equal to 57,807,315 years, 21 weeks, 4 days, 22 hours, 5 minutes, 31 seconds.
• To count from 1 to 1,818,016,946,949,931 would take you about one hundred seventy-three million, four hundred twenty-one thousand, nine hundred forty-six 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 1818016946949931 cubic inches would be around 10170.7 feet tall.

Recreational maths with 1818016946949931

• 1818016946949931 backwards is 1399496496108181
• The number of decimal digits it has is: 16
• The sum of 1818016946949931's digits is 79
• More coming soon!