21190160015912

Names of 21190160015912

• Cardinal: 21190160015912 can be written as Twenty-one trillion, one hundred ninety billion, one hundred sixty million, fifteen thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 2.1190160015912 × 10¹³

Factors of 21190160015912

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 26332778

Divisors of 21190160015912

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 17 34 61 68 97 122 136 194 244 388 488 776 1037 1649 2074 3298 4148 5917 6596 8296 11834 13192 23668 47336 100589 201178 402356 804712 26332601 52665202 105330404 210660808 447654217 895308434 1606288661 1790616868 2554262297 3212577322 3581233736 5108524594 6425154644 10217049188 12850309288 20434098376 27306907237 43422459049 54613814474 86844918098 109227628948 155810000117 173689836196 218455257896 311620000234 347379672392 623240000468 1246480000936 2648770001989 5297540003978 10595080007956 21190160015912
• Sum of all divisors σ(n): 43199160233040
• Sum of proper divisors (its aliquot sum) s(n): 22009000217128
• 21190160015912 is an abundant number, because the sum of its proper divisors (22009000217128) is greater than itself. Its abundance is 818840201216

Bases of 21190160015912

• Binary: 100110100010110110111111101011110001000101000₂
• Hexadecimal: 0x1345B7F5E228
• Base-36: 7IEMI5R1K

Squares and roots of 21190160015912

• 21190160015912 squared (21190160015912²) is 449022881499955652093191744
• 21190160015912 cubed (21190160015912³) is 9514866709789952351186362302145907030528
• The square root of 21190160015912 is 4603277.0952781019
• The cube root of 21190160015912 is 27672.2673848661

Scales and comparisons

• 21,190,160,015,912 seconds is equal to 673,781 years, 28 weeks, 1 day, 15 hours, 58 minutes, 32 seconds.
• To count from 1 to 21,190,160,015,912 would take you about one million, six hundred eighty-four thousand, four hundred fifty-three 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 21190160015912 cubic inches would be around 2306 feet tall.

Recreational maths with 21190160015912

• 21190160015912 backwards is 21951006109112
• The number of decimal digits it has is: 14
• The sum of 21190160015912's digits is 38
• More coming soon!