21220310097

Names of 21220310097

• Cardinal: 21220310097 can be written as Twenty-one billion, two hundred twenty million, three hundred ten thousand and ninety-seven.

Scientific notation

• Scientific notation: 2.1220310097 × 10¹⁰

Factors of 21220310097

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2870

Divisors of 21220310097

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 21 27 49 63 71 81 147 189 213 243 441 497 567 639 729 1323 1491 1701 1917 2187 2789 3479 3969 4473 5103 5751 8367 10437 11907 13419 15309 17253 19523 25101 31311 35721 40257 51759 58569 75303 93933 107163 120771 136661 155277 175707 198019 225909 281799 362313 409983 527121 594057 677727 845397 1086939 1229949 1386133 1581363 1782171 2033181 2536191 3689847 4158399 4744089 5346513 6099543 7608573 9702931 11069541 12475197 14232267 16039539 29108793 33208623 37425591 42696801 48118617 87326379 99625869 112276773 144355851 261979137 298877607 336830319 433067553 785937411 1010490957 2357812233 3031472871 7073436699 21220310097
• Sum of all divisors σ(n): 37556524800
• Sum of proper divisors (its aliquot sum) s(n): 16336214703
• 21220310097 is a deficient number, because the sum of its proper divisors (16336214703) is less than itself. Its deficiency is 4884095394

Bases of 21220310097

• Binary: 10011110000110101000011110001010001₂
• Hexadecimal: 0x4F0D43C51
• Base-36: 9QY0W29

Squares and roots of 21220310097

• 21220310097 squared (21220310097²) is 450301560612840149409
• 21220310097 cubed (21220310097³) is 9555538753367509330350791282673
• The square root of 21220310097 is 145671.9262486773
• The cube root of 21220310097 is 2768.5385513237

Scales and comparisons

• 21,220,310,097 seconds is equal to 674 years, 38 weeks, 3 days, 10 hours, 34 minutes, 57 seconds.
• To count from 1 to 21,220,310,097 would take you about one thousand, three hundred forty-nine 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 21220310097 cubic inches would be around 230.7 feet tall.

Recreational maths with 21220310097

• 21220310097 backwards is 79001302212
• 21220310097 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21220310097's digits is 27
• More coming soon!