1641749391742240

Names of 1641749391742240

• Cardinal: 1641749391742240 can be written as One quadrillion, six hundred forty-one trillion, seven hundred forty-nine billion, three hundred ninety-one million, seven hundred forty-two thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.64174939174224 × 10¹⁵

Factors of 1641749391742240

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 932812154417

Divisors of 1641749391742240

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 160 176 220 352 440 880 1760 932812154399 1865624308798 3731248617596 4664060771995 7462497235192 9328121543990 10260933698389 14924994470384 18656243087980 20521867396778 29849988940768 37312486175960 41043734793556 51304668491945 74624972351920 82087469587112 102609336983890 149249944703840 164174939174224 205218673967780 328349878348448 410437347935560 820874695871120 1641749391742240
• Sum of all divisors σ(n): 4231235932358400
• Sum of proper divisors (its aliquot sum) s(n): 2589486540616160
• 1641749391742240 is an abundant number, because the sum of its proper divisors (2589486540616160) is greater than itself. Its abundance is 947737148873920

Bases of 1641749391742240

• Binary: 101110101010010100110010001010011100001010100100000₂
• Hexadecimal: 0x5D529914E1520
• Base-36: G5Y99B4OPS

Squares and roots of 1641749391742240

• 1641749391742240 squared (1641749391742240²) is 2695341065286015017502600217600
• 1641749391742240 cubed (1641749391742240³) is 4425074554471196348099640034752397467111424000
• The square root of 1641749391742240 is 40518506.7807568645
• The cube root of 1641749391742240 is 117969.2870307335

Scales and comparisons

• 1,641,749,391,742,240 seconds is equal to 52,202,552 years, 20 weeks, 3 days, 2 hours, 10 minutes, 40 seconds.
• To count from 1 to 1,641,749,391,742,240 would take you about one hundred fifty-six million, six hundred seven thousand, six hundred fifty-seven 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 1641749391742240 cubic inches would be around 9830.8 feet tall.

Recreational maths with 1641749391742240

• 1641749391742240 backwards is 0422471939471461
• The number of decimal digits it has is: 16
• The sum of 1641749391742240's digits is 64
• More coming soon!