21291226704

Names of 21291226704

• Cardinal: 21291226704 can be written as Twenty-one billion, two hundred ninety-one million, two hundred twenty-six thousand, seven hundred four.

Scientific notation

• Scientific notation: 2.1291226704 × 10¹⁰

Factors of 21291226704

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 8754

Divisors of 21291226704

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 33 36 44 48 54 66 72 88 99 108 132 144 176 198 216 264 297 396 432 528 547 594 792 1094 1188 1584 1641 2188 2376 3282 4376 4752 4923 6017 6564 8191 8752 9846 12034 13128 14769 16382 18051 19692 24068 24573 26256 29538 32764 36102 39384 48136 49146 54153 59076 65528 72204 73719 78768 90101 96272 98292 108306 118152 131056 144408 147438 162459 180202 196584 216612 221157 236304 270303 288816 294876 324918 360404 393168 433224 442314 540606 589752 649836 720808 810909 866448 884628 1081212 1179504 1299672 1441616 1621818 1769256 2162424 2432727 2599344 3243636 3538512 4324848 4480477 4865454 6487272 8960954 9730908 12974544 13441431 17921908 19461816 26882862 35843816 38923632 40324293 49285247 53765724 71687632 80648586 98570494 107531448 120972879 147855741 161297172 197140988 215062896 241945758 295711482 322594344 394281976 443567223 483891516 591422964 645188688 788563952 887134446 967783032 1182845928 1330701669 1774268892 1935566064 2365691856 2661403338 3548537784 5322806676 7097075568 10645613352 21291226704
• Sum of all divisors σ(n): 66799534080
• Sum of proper divisors (its aliquot sum) s(n): 45508307376
• 21291226704 is an abundant number, because the sum of its proper divisors (45508307376) is greater than itself. Its abundance is 24217080672

Bases of 21291226704

• Binary: 10011110101000011100101011001010000₂
• Hexadecimal: 0x4F50E5650
• Base-36: 9S48VO0

Squares and roots of 21291226704

• 21291226704 squared (21291226704²) is 453316334561122703616
• 21291226704 cubed (21291226704³) is 9651660847767173827449656561664
• The square root of 21291226704 is 145915.1352807515
• The cube root of 21291226704 is 2771.6192014529

Scales and comparisons

• 21,291,226,704 seconds is equal to 676 years, 51 weeks, 5 days, 5 hours, 38 minutes, 24 seconds.
• To count from 1 to 21,291,226,704 would take you about one thousand, three hundred fifty-three 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 21291226704 cubic inches would be around 231 feet tall.

Recreational maths with 21291226704

• 21291226704 backwards is 40762219212
• 21291226704 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21291226704's digits is 36
• More coming soon!