21188304378212829

Names of 21188304378212829

• Cardinal: 21188304378212829 can be written as Twenty-one quadrillion, one hundred eighty-eight trillion, three hundred four billion, three hundred seventy-eight million, two hundred twelve thousand, eight hundred twenty-nine.

Scientific notation

• Scientific notation: 2.1188304378212829 × 10¹⁶

Factors of 21188304378212829

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 268

Divisors of 21188304378212829

• Number of divisors d(n): 120
• Complete list of divisors:
  1 3 11 13 33 39 121 143 241 363 429 723 1331 1573 2651 3133 3993 4719 7953 9399 14641 17303 29161 34463 43923 51909 58081 87483 103389 161051 174243 190333 320771 379093 483153 570999 638891 755053 962313 1137279 1916673 2093663 2265159 3528481 4170023 6280989 7027801 8305583 10585443 12510069 13997521 21083403 24916749 38813291 41992563 45870253 77305811 91361413 116439873 137610759 153972731 181967773 231917433 274084239 461918193 504572783 545903319 850363921 1004975543 1513718349 1693700041 2001645503 2551091763 3014926629 3373402561 5081100123 6004936509 9354003131 10120207683 11054730973 18630700451 22018100533 28062009393 33164192919 37107428171 43854233293 55892101353 66054301599 111322284513 121602040703 131562699879 204937704961 242199105863 364806122109 408181709881 482396566223 614813114883 726597317589 1224545129643 1447189698669 2254314754571 2664190164493 4489998808691 5306362228453 6762944263713 7992570493479 13469996426073 15919086685359 29306091809423 49389986895601 58369984512983 87918275428269 148169960686803 175109953538949 543289855851611 642069829642813 1629869567554833 1926209488928439 7062768126070943 21188304378212829
• Sum of all divisors σ(n): 33606080546986080
• Sum of proper divisors (its aliquot sum) s(n): 12417776168773251
• 21188304378212829 is a deficient number, because the sum of its proper divisors (12417776168773251) is less than itself. Its deficiency is 8770528209439578

Bases of 21188304378212829

• Binary: 1001011010001101010011010001011110110110011000111011101₂
• Hexadecimal: 0x4B46A68BDB31DD
• Base-36: 5SMMKNKZAVX

Squares and roots of 21188304378212829

• 21188304378212829 squared (21188304378212829²) is 448944242423792938148976020183241
• 21188304378212829 cubed (21188304378212829³) is 9512367257321493596918245251898890059928676998789
• The square root of 21188304378212829 is 145562029.3146974129
• The cube root of 21188304378212829 is 276714.5960110365

Scales and comparisons

• 21,188,304,378,212,829 seconds is equal to 673,722,539 years, 25 weeks, 6 days, 11 hours, 7 minutes, 9 seconds.
• To count from 1 to 21,188,304,378,212,829 would take you about two billion, twenty-one million, one hundred sixty-seven thousand, six hundred eighteen 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 21188304378212829 cubic inches would be around 23059.5 feet tall.

Recreational maths with 21188304378212829

• 21188304378212829 backwards is 92821287340388112
• The number of decimal digits it has is: 17
• The sum of 21188304378212829's digits is 69
• More coming soon!