38684874969937990161

Names of 38684874969937990161

• Cardinal: 38684874969937990161 can be written as Thirty-eight quintillion, six hundred eighty-four quadrillion, eight hundred seventy-four trillion, nine hundred sixty-nine billion, nine hundred thirty-seven million, nine hundred ninety thousand, one hundred sixty-one.

Scientific notation

• Scientific notation: 3.8684874969937990161 × 10¹⁹

Factors of 38684874969937990161

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 96225

Divisors of 38684874969937990161

• Number of divisors d(n): 27
• Complete list of divisors:
  1 3 9 32573 63649 97719 190947 293157 572841 1061000329 2073238877 3183000987 4051195201 6219716631 9549002961 12153585603 18659149893 36460756809 67531609940521 131959581282173 202594829821563 395878743846519 607784489464689 1187636231539557 4298319441104221129 12894958323312663387 38684874969937990161
• Sum of all divisors σ(n): 55880746213252667889
• Sum of proper divisors (its aliquot sum) s(n): 17195871243314677728
• 38684874969937990161 is a deficient number, because the sum of its proper divisors (17195871243314677728) is less than itself. Its deficiency is 21489003726623312433

Bases of 38684874969937990161

• Binary: 100001100011011100010010001101001011101011100011011101001000010001₂
• Hexadecimal: 0x218DC48D2EB8DD211
• Base-36: 85WQROTMK7HU9

Squares and roots of 38684874969937990161

• 38684874969937990161 squared (38684874969937990161²) is 1496519551439734815162754185560132805921
• 38684874969937990161 cubed (38684874969937990161³) is 57892671737513825878082075695146979867806000737256220543281
• 38684874969937990161 is a perfect square number. Its square root is 6219716631
• The cube root of 38684874969937990161 is 3382052.9225851627

Scales and comparisons

• 38,684,874,969,937,990,161 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 38,684,874,969,937,990,161 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 38684874969937990161 cubic inches would be around 281837.7 feet tall.

Recreational maths with 38684874969937990161

• 38684874969937990161 backwards is 16109973996947848683
• The number of decimal digits it has is: 20
• The sum of 38684874969937990161's digits is 117
• More coming soon!