21664538137476

Names of 21664538137476

• Cardinal: 21664538137476 can be written as Twenty-one trillion, six hundred sixty-four billion, five hundred thirty-eight million, one hundred thirty-seven thousand, four hundred seventy-six.

Scientific notation

• Scientific notation: 2.1664538137476 × 10¹³

Factors of 21664538137476

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1714509209

Divisors of 21664538137476

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 81 108 117 156 162 234 243 324 351 468 486 702 972 1053 1404 2106 3159 4212 6318 12636 1714509191 3429018382 5143527573 6858036764 10287055146 15430582719 20574110292 22288619483 30861165438 44577238966 46291748157 61722330876 66865858449 89154477932 92583496314 133731716898 138875244471 185166992628 200597575347 267463433796 277750488942 401195150694 416625733413 555500977884 601792726041 802390301388 833251466826 1203585452082 1666502933652 1805378178123 2407170904164 3610756356246 5416134534369 7221512712492 10832269068738 21664538137476
• Sum of all divisors σ(n): 61159971897024
• Sum of proper divisors (its aliquot sum) s(n): 39495433759548
• 21664538137476 is an abundant number, because the sum of its proper divisors (39495433759548) is greater than itself. Its abundance is 17830895622072

Bases of 21664538137476

• Binary: 100111011010000101011000110011001001110000100₂
• Hexadecimal: 0x13B42B199384
• Base-36: 7OGJUN890

Squares and roots of 21664538137476

• 21664538137476 squared (21664538137476²) is 469352212710152071075650576
• 21664538137476 cubed (21664538137476³) is 10168298912167837324137998901670026586176
• The square root of 21664538137476 is 4654518.0349286433
• The cube root of 21664538137476 is 27877.2424131169

Scales and comparisons

• 21,664,538,137,476 seconds is equal to 688,865 years, 15 weeks, 4 days, 4 hours, 24 minutes, 36 seconds.
• To count from 1 to 21,664,538,137,476 would take you about one million, seven hundred twenty-two thousand, one hundred sixty-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 21664538137476 cubic inches would be around 2323.1 feet tall.

Recreational maths with 21664538137476

• 21664538137476 backwards is 67473183546612
• The number of decimal digits it has is: 14
• The sum of 21664538137476's digits is 63
• More coming soon!