1618113159718821

Names of 1618113159718821

• Cardinal: 1618113159718821 can be written as One quadrillion, six hundred eighteen trillion, one hundred thirteen billion, one hundred fifty-nine million, seven hundred eighteen thousand, eight hundred twenty-one.

Scientific notation

• Scientific notation: 1.618113159718821 × 10¹⁵

Factors of 1618113159718821

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 731

Divisors of 1618113159718821

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 9 27 81 127 243 381 601 729 1143 1803 2187 3429 5409 10287 16129 16227 30861 48387 48681 76327 92583 145161 146043 228981 277749 361201 435483 438129 686943 1083603 1306449 1314387 2048383 2060829 3250809 3919347 6145149 6182487 9693529 9752427 11758041 18435447 18547461 29080587 29257281 35274123 45872527 55306341 55642383 87241761 87771843 137617581 165919023 166927149 261725283 263315529 412852743 497757069 785175849 789946587 1231078183 1238558229 1493271207 2355527547 3693234549 3715674687 4479813621 5825810929 7066582641 11079703647 11147024061 17477432787 21199747923 33239110941 33441072183 52432298361 99717332823 100323216549 157296895083 299151998469 471890685249 739877987983 897455995407 1415672055747 2219633963949 2692367986221 4247016167241 6658901891847 12741048501723 19976705675541 59930117026623 179790351079869 539371053239607 1618113159718821
• Sum of all divisors σ(n): 2450136862617600
• Sum of proper divisors (its aliquot sum) s(n): 832023702898779
• 1618113159718821 is a deficient number, because the sum of its proper divisors (832023702898779) is less than itself. Its deficiency is 786089456820042

Bases of 1618113159718821

• Binary: 101101111111010101001010100000101110110011110100101₂
• Hexadecimal: 0x5BFAA541767A5
• Base-36: FXKMX8UPB9

Squares and roots of 1618113159718821

• 1618113159718821 squared (1618113159718821²) is 2618290197655226719647781630041
• 1618113159718821 cubed (1618113159718821³) is 4236689824788715278359207026571749848606701661
• The square root of 1618113159718821 is 40225777.3040971951
• The cube root of 1618113159718821 is 117400.4144225185

Scales and comparisons

• 1,618,113,159,718,821 seconds is equal to 51,450,993 years, 16 weeks, 6 days, 19 hours, 40 minutes, 21 seconds.
• To count from 1 to 1,618,113,159,718,821 would take you about one hundred fifty-four million, three hundred fifty-two thousand, nine hundred seventy-nine 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 1618113159718821 cubic inches would be around 9783.4 feet tall.

Recreational maths with 1618113159718821

• 1618113159718821 backwards is 1288179513118161
• The number of decimal digits it has is: 16
• The sum of 1618113159718821's digits is 63
• More coming soon!