20990952658472

Names of 20990952658472

• Cardinal: 20990952658472 can be written as Twenty trillion, nine hundred ninety billion, nine hundred fifty-two million, six hundred fifty-eight thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 2.0990952658472 × 10¹³

Factors of 20990952658472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 36710

Divisors of 20990952658472

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 31 62 124 248 421 842 1684 3368 6833 13051 13666 26102 27332 29423 52204 54664 58846 104408 117692 211823 235384 423646 847292 912113 1694584 1824226 2876693 3648452 5753386 7296904 11506772 12387083 23013544 24774166 49548332 89177483 99096664 178354966 201047359 356709932 383999573 402094718 713419864 767999146 804189436 1535998292 1608378872 3071996584 6232468129 12464936258 24929872516 49859745032 84640938139 169281876278 338563752556 677127505112 2623869082309 5247738164618 10495476329236 20990952658472
• Sum of all divisors σ(n): 40731497256960
• Sum of proper divisors (its aliquot sum) s(n): 19740544598488
• 20990952658472 is a deficient number, because the sum of its proper divisors (19740544598488) is less than itself. Its deficiency is 1250408059984

Bases of 20990952658472

• Binary: 100110001011101010110010001101101011000101000₂
• Hexadecimal: 0x13175646D628
• Base-36: 7FV3Z8QAW

Squares and roots of 20990952658472

• 20990952658472 squared (20990952658472²) is 440620093510212724273374784
• 20990952658472 cubed (20990952658472³) is 9249035523244381018868437946692008770048
• The square root of 20990952658472 is 4581588.4427207121
• The cube root of 20990952658472 is 27585.2791424245

Scales and comparisons

• 20,990,952,658,472 seconds is equal to 667,447 years, 18 weeks, 6 days, 22 hours, 54 minutes, 32 seconds.
• To count from 1 to 20,990,952,658,472 would take you about one million, six hundred sixty-eight thousand, six hundred eighteen 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 20990952658472 cubic inches would be around 2298.8 feet tall.

Recreational maths with 20990952658472

• 20990952658472 backwards is 27485625909902
• The number of decimal digits it has is: 14
• The sum of 20990952658472's digits is 68
• More coming soon!