21036982512

Names of 21036982512

• Cardinal: 21036982512 can be written as Twenty-one billion, thirty-six million, nine hundred eighty-two thousand, five hundred twelve.

Scientific notation

• Scientific notation: 2.1036982512 × 10¹⁰

Factors of 21036982512

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4785

Divisors of 21036982512

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 39 42 48 52 56 78 84 91 104 112 156 168 182 208 273 312 336 364 546 624 728 1092 1456 1459 2184 2918 3301 4368 4377 5836 6602 8754 9903 10213 11672 13204 17508 18967 19806 20426 23107 23344 26408 30639 35016 37934 39612 40852 42913 46214 52816 56901 61278 69321 70032 75868 79224 81704 85826 92428 113802 122556 128739 132769 138642 151736 158448 163408 171652 184856 227604 245112 257478 265538 277284 300391 303472 343304 369712 398307 455208 490224 514956 531076 554568 600782 686608 796614 901173 910416 1029912 1062152 1109136 1201564 1593228 1802346 2059824 2124304 2403128 3186456 3604692 4806256 4816159 6372912 7209384 9632318 14418768 14448477 19264636 28896954 33713113 38529272 57793908 62610067 67426226 77058544 101139339 115587816 125220134 134852452 187830201 202278678 231175632 250440268 269704904 375660402 404557356 438270469 500880536 539409808 751320804 809114712 876540938 1001761072 1314811407 1502641608 1618229424 1753081876 2629622814 3005283216 3506163752 5259245628 7012327504 10518491256 21036982512
• Sum of all divisors σ(n): 66952936960
• Sum of proper divisors (its aliquot sum) s(n): 45915954448
• 21036982512 is an abundant number, because the sum of its proper divisors (45915954448) is greater than itself. Its abundance is 24878971936

Bases of 21036982512

• Binary: 10011100101111001101110000011110000₂
• Hexadecimal: 0x4E5E6E0F0
• Base-36: 9NWVJLC

Squares and roots of 21036982512

• 21036982512 squared (21036982512²) is 442554633210193830144
• 21036982512 cubed (21036982512³) is 9310014079447422024869626441728
• The square root of 21036982512 is 145041.3131214689
• The cube root of 21036982512 is 2760.5427812985

Scales and comparisons

• 21,036,982,512 seconds is equal to 668 years, 47 weeks, 2 days, 14 hours, 15 minutes, 12 seconds.
• To count from 1 to 21,036,982,512 would take you about one thousand, three hundred thirty-seven 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 21036982512 cubic inches would be around 230 feet tall.

Recreational maths with 21036982512

• 21036982512 backwards is 21528963012
• 21036982512 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21036982512's digits is 39
• More coming soon!