121820818383

Names of 121820818383

• Cardinal: 121820818383 can be written as One hundred twenty-one billion, eight hundred twenty million, eight hundred eighteen thousand, three hundred eighty-three.

Scientific notation

• Scientific notation: 1.21820818383 × 10¹¹

Factors of 121820818383

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 44767

Divisors of 121820818383

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 11 23 33 69 99 109 121 207 253 327 363 759 981 1089 1199 2277 2507 2783 3597 7521 8349 10791 13189 22563 25047 27577 39567 44621 82731 118701 133863 248193 303347 401589 490831 910041 1026283 1472493 2730123 3078849 4417479 4863689 5399141 9236547 11289113 14591067 16197423 33867339 43773201 48592269 53500579 101602017 111864847 124180243 160501737 335594541 372540729 481505211 588506369 1006783623 1117622187 1230513317 1765519107 3691539951 5296557321 11074619853 13535646487 40606939461 121820818383
• Sum of all divisors σ(n): 203679796320
• Sum of proper divisors (its aliquot sum) s(n): 81858977937
• 121820818383 is a deficient number, because the sum of its proper divisors (81858977937) is less than itself. Its deficiency is 39961840446

Bases of 121820818383

• Binary: 1110001011101000101100010101111001111₂
• Hexadecimal: 0x1C5D162BCF
• Base-36: 1JYOYX1R

Squares and roots of 121820818383

• 121820818383 squared (121820818383²) is 14840311791503870734689
• 121820818383 cubed (121820818383³) is 1807858927499886399212057446987887
• The square root of 121820818383 is 349028.3919439793
• The cube root of 121820818383 is 4957.2463793325

Scales and comparisons

• 121,820,818,383 seconds is equal to 3,873 years, 27 weeks, 2 days, 4 hours, 13 minutes, 3 seconds.
• To count from 1 to 121,820,818,383 would take you about seven thousand, seven hundred forty-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 121820818383 cubic inches would be around 413.1 feet tall.

Recreational maths with 121820818383

• 121820818383 backwards is 383818028121
• The number of decimal digits it has is: 12
• The sum of 121820818383's digits is 45
• More coming soon!