38618978649889

Names of 38618978649889

• Cardinal: 38618978649889 can be written as Thirty-eight trillion, six hundred eighteen billion, nine hundred seventy-eight million, six hundred forty-nine thousand, eight hundred eighty-nine.

Scientific notation

• Scientific notation: 3.8618978649889 × 10¹³

Factors of 38618978649889

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 264

Divisors of 38618978649889

• Number of divisors d(n): 81
• Complete list of divisors:
  1 11 71 73 109 121 781 803 1199 5041 5183 5329 7739 7957 8591 8833 11881 13189 55451 57013 58619 85129 87527 130691 367993 378359 549469 564947 580861 609961 627143 644809 843551 867313 936419 962797 1437601 4047923 4161949 6044159 6214417 6389471 9279061 9540443 26863489 40111237 41241131 44527153 45781439 59892121 61579223 63313849 66485749 68358587 70284181 102069671 104944873 295498379 441223607 453652441 658813331 677371453 696452339 2928120301 3250482169 4372124833 4495283279 4853459677 4990176851 7246946641 7451085983 7660975729 32209323311 48093373163 49448116069 319165112809 354302556421 529027104793 543929276759 3510816240899 38618978649889
• Sum of all divisors σ(n): 44057292473817
• Sum of proper divisors (its aliquot sum) s(n): 5438313823928
• 38618978649889 is a deficient number, because the sum of its proper divisors (5438313823928) is less than itself. Its deficiency is 33180664825961

Bases of 38618978649889

• Binary: 1000110001111110101110100000010000011100100001₂
• Hexadecimal: 0x231FAE810721
• Base-36: DOTBARX9D

Squares and roots of 38618978649889

• 38618978649889 squared (38618978649889²) is 1491425511960582409239712321
• 38618978649889 cubed (38618978649889³) is 57597330004305503472166388209415338582369
• 38618978649889 is a perfect square number. Its square root is 6214417
• The cube root of 38618978649889 is 33801.3148683455

Scales and comparisons

• 38,618,978,649,889 seconds is equal to 1,227,964 years, 3 weeks, 2 days, 13 hours, 24 minutes, 49 seconds.
• To count from 1 to 38,618,978,649,889 would take you about three million, sixty-nine thousand, nine hundred ten 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 38618978649889 cubic inches would be around 2816.8 feet tall.

Recreational maths with 38618978649889

• 38618978649889 backwards is 98894687981683
• The number of decimal digits it has is: 14
• The sum of 38618978649889's digits is 94
• More coming soon!