21029042112394

Names of 21029042112394

• Cardinal: 21029042112394 can be written as Twenty-one trillion, twenty-nine billion, forty-two million, one hundred twelve thousand, three hundred ninety-four.

Scientific notation

• Scientific notation: 2.1029042112394 × 10¹³

Factors of 21029042112394

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 7792163

Divisors of 21029042112394

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 19 29 31 38 58 62 79 158 551 589 899 1102 1178 1501 1798 2291 2449 3002 4582 4898 17081 34162 43529 46531 71021 87058 93062 142042 1349399 2698798 7792003 15584006 148048057 225968087 241552093 296096114 451936174 483104186 615568237 1231136474 4293393653 4589489767 7005010697 8586787306 9178979534 11695796503 14010021394 17851478873 19082615347 23391593006 35702957746 38165230694 133095203243 266190406486 339178098587 362569691593 553395845063 678356197174 725139383186 1106791690126 10514521056197 21029042112394
• Sum of all divisors σ(n): 35905554432000
• Sum of proper divisors (its aliquot sum) s(n): 14876512319606
• 21029042112394 is a deficient number, because the sum of its proper divisors (14876512319606) is less than itself. Its deficiency is 6152529792788

Bases of 21029042112394

• Binary: 100110010000000110100100101011100011110001010₂
• Hexadecimal: 0x13203495C78A
• Base-36: 7GCLWPX1M

Squares and roots of 21029042112394

• 21029042112394 squared (21029042112394²) is 442220612164840305728411236
• 21029042112394 cubed (21029042112394³) is 9299475876183081196110661797154964458984
• The square root of 21029042112394 is 4585743.3543967549
• The cube root of 21029042112394 is 27601.9541571255

Scales and comparisons

• 21,029,042,112,394 seconds is equal to 668,658 years, 25 weeks, 4 days, 2 hours, 46 minutes, 34 seconds.
• To count from 1 to 21,029,042,112,394 would take you about one million, six hundred seventy-one thousand, six hundred forty-six 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 21029042112394 cubic inches would be around 2300.2 feet tall.

Recreational maths with 21029042112394

• 21029042112394 backwards is 49321124092012
• The number of decimal digits it has is: 14
• The sum of 21029042112394's digits is 40
• More coming soon!