1021085492384347221

Names of 1021085492384347221

• Cardinal: 1021085492384347221 can be written as One quintillion, twenty-one quadrillion, eighty-five trillion, four hundred ninety-two billion, three hundred eighty-four million, three hundred forty-seven thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 1.021085492384347221 × 10¹⁸

Factors of 1021085492384347221

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 127551

Divisors of 1021085492384347221

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 13 39 43 129 331 499 559 993 1497 1677 4303 6487 12909 14233 19461 21457 42699 45319 64371 81343 135957 165169 185029 244029 278941 495507 555087 589147 836823 1057459 1767441 1948717 2147197 3172377 3497749 5846151 6441591 7102267 10493247 15000589 21306801 22614181 25333321 26924533 40590157 45001767 45470737 67842543 75999963 80773599 92329471 121770471 136412211 195007657 276988413 293984353 350018929 527672041 585022971 645025327 881953059 972409783 1050056787 1157754919 1583016123 1745376751 1935075981 2917229349 3473264757 3686383417 5236130253 7485293911 8385329251 11059150251 12641327179 13435341967 15050813947 22455881733 22689897763 25155987753 37923981537 40306025901 45152441841 47922984421 68069693289 97308820843 143768953263 158514486931 174659445571 291926462529 321867638173 475543460793 523978336713 577719704581 965602914519 1220192911027 1733159113743 1839505325083 2060688330103 3660578733081 4184279296249 5518515975249 6182064990309 7510356159553 12552837888747 15862507843351 22531068478659 23913569226079 47587523530053 52468295174161 71740707678237 79098728978569 157404885522483 237296186935707 608876262602473 682087837264093 1028283476721397 1826628787807419 2046263511792279 3084850430164191 7915391413832149 23746174241496447 26181679291906339 78545037875719017 340361830794782407 1021085492384347221
• Sum of all divisors σ(n): 1507871098961920000
• Sum of proper divisors (its aliquot sum) s(n): 486785606577572779
• 1021085492384347221 is a deficient number, because the sum of its proper divisors (486785606577572779) is less than itself. Its deficiency is 534299885806774442

Bases of 1021085492384347221

• Binary: 111000101011100111111101100001101010110111111011010001010101₂
• Hexadecimal: 0xE2B9FD86ADFB455
• Base-36: 7RA0LJH3HJKL

Squares and roots of 1021085492384347221

• 1021085492384347221 squared (1021085492384347221²) is 1042615582757784806654958250290422841
• 1021085492384347221 cubed (1021085492384347221³) is 1064599645687825817937653025791111058860669233853274861
• The square root of 1021085492384347221 is 1010487749.7448186387
• The cube root of 1021085492384347221 is 1006979.6683511833

Scales and comparisons

• 1,021,085,492,384,347,221 seconds is equal to 32,467,360,233 years, 6 days, 20 hours, 21 seconds.
• To count from 1 to 1,021,085,492,384,347,221 would take you about one hundred thirteen billion, six hundred thirty-five million, seven hundred sixty thousand, eight hundred fifteen 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 1021085492384347221 cubic inches would be around 83915 feet tall.

Recreational maths with 1021085492384347221

• 1021085492384347221 backwards is 1227434832945801201
• The number of decimal digits it has is: 19
• The sum of 1021085492384347221's digits is 66
• More coming soon!