21835949772

Names of 21835949772

• Cardinal: 21835949772 can be written as Twenty-one billion, eight hundred thirty-five million, nine hundred forty-nine thousand, seven hundred seventy-two.

Scientific notation

• Scientific notation: 2.1835949772 × 10¹⁰

Factors of 21835949772

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 60851

Divisors of 21835949772

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 12 13 14 21 26 28 39 42 47 49 52 78 84 91 94 98 141 147 156 182 188 196 273 282 294 329 364 546 564 588 611 637 658 987 1092 1222 1274 1316 1833 1911 1974 2303 2444 2548 3666 3822 3948 4277 4606 6909 7332 7644 8554 9212 12831 13818 17108 25662 27636 29939 51324 59878 60779 89817 119756 121558 179634 182337 243116 359268 364674 425453 729348 790127 850906 1276359 1580254 1701812 2370381 2552718 2856613 2978171 3160508 4740762 5105436 5530889 5713226 5956342 8569839 8934513 9481524 11061778 11426452 11912684 16592667 17139678 17869026 19996291 22123556 33185334 34279356 35738052 37135969 38716223 39992582 59988873 66370668 74271938 77432446 79985164 111407907 116148669 119977746 139974037 148543876 154864892 222815814 232297338 239955492 259951783 279948074 419922111 445631628 464594676 519903566 559896148 779855349 839844222 1039807132 1559710698 1679688444 1819662481 3119421396 3639324962 5458987443 7278649924 10917974886 21835949772
• Sum of all divisors σ(n): 65187279360
• Sum of proper divisors (its aliquot sum) s(n): 43351329588
• 21835949772 is an abundant number, because the sum of its proper divisors (43351329588) is greater than itself. Its abundance is 21515379816

Bases of 21835949772

• Binary: 10100010101100001100010011011001100₂
• Hexadecimal: 0x5158626CC
• Base-36: A14K6OC

Squares and roots of 21835949772

• 21835949772 squared (21835949772²) is 476808702445306851984
• 21835949772 cubed (21835949772³) is 10411570877448213997050062547648
• The square root of 21835949772 is 147769.9217432291
• The cube root of 21835949772 is 2795.0571712453

Scales and comparisons

• 21,835,949,772 seconds is equal to 694 years, 16 weeks, 2 days, 21 hours, 36 minutes, 12 seconds.
• To count from 1 to 21,835,949,772 would take you about one thousand, three hundred eighty-eight 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 21835949772 cubic inches would be around 232.9 feet tall.

Recreational maths with 21835949772

• 21835949772 backwards is 27794953812
• The number of decimal digits it has is: 11
• The sum of 21835949772's digits is 57
• More coming soon!