21836199989904

Names of 21836199989904

• Cardinal: 21836199989904 can be written as Twenty-one trillion, eight hundred thirty-six billion, one hundred ninety-nine million, nine hundred eighty-nine thousand, nine hundred four.

Scientific notation

• Scientific notation: 2.1836199989904 × 10¹³

Factors of 21836199989904

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 59700689

Divisors of 21836199989904

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 48 7621 15242 22863 30484 45726 60968 91452 121936 182904 365808 59693063 119386126 179079189 238772252 358158378 477544504 716316756 955089008 1432633512 2865267024 454920833123 909841666246 1364762499369 1819683332492 2729524998738 3639366664984 5459049997476 7278733329968 10918099994952 21836199989904
• Sum of all divisors σ(n): 56417586192192
• Sum of proper divisors (its aliquot sum) s(n): 34581386202288
• 21836199989904 is an abundant number, because the sum of its proper divisors (34581386202288) is greater than itself. Its abundance is 12745186212384

Bases of 21836199989904

• Binary: 100111101110000100010111100011001001010010000₂
• Hexadecimal: 0x13DC22F19290
• Base-36: 7QNETOHAO

Squares and roots of 21836199989904

• 21836199989904 squared (21836199989904²) is 476819629999083449701929216
• 21836199989904 cubed (21836199989904³) is 10411928799772015039910520238228522635264
• The square root of 21836199989904 is 4672921.9969847561
• The cube root of 21836199989904 is 27950.6784738079

Scales and comparisons

• 21,836,199,989,904 seconds is equal to 694,323 years, 32 weeks, 4 hours, 18 minutes, 24 seconds.
• To count from 1 to 21,836,199,989,904 would take you about one million, seven hundred thirty-five thousand, eight hundred 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 21836199989904 cubic inches would be around 2329.2 feet tall.

Recreational maths with 21836199989904

• 21836199989904 backwards is 40998999163812
• The number of decimal digits it has is: 14
• The sum of 21836199989904's digits is 78
• More coming soon!