21377713664574891

Names of 21377713664574891

• Cardinal: 21377713664574891 can be written as Twenty-one quadrillion, three hundred seventy-seven trillion, seven hundred thirteen billion, six hundred sixty-four million, five hundred seventy-four thousand, eight hundred ninety-one.

Scientific notation

• Scientific notation: 2.1377713664574891 × 10¹⁶

Factors of 21377713664574891

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 97875644

Divisors of 21377713664574891

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 9 13 27 39 53 59 117 159 177 199 351 477 531 597 689 767 1431 1593 1791 2067 2301 2587 3127 5373 6201 6903 7761 9381 10547 11741 18603 20709 23283 28143 31641 35223 40651 69849 84429 94923 105669 121953 137111 152633 284769 317007 365859 411333 457899 622273 1097577 1233999 1373697 1866819 3701997 4121091 5600457 8089549 16801371 24268647 72805941 97875317 218417823 293625951 880877853 1272379121 2642633559 3817137363 5187391801 5774643703 11451412089 15562175403 17323931109 19477188083 34354236267 46686526209 51971793327 58431564249 67436093413 75070368139 140059578627 155915379981 175294692747 202308280239 225211104417 253203445079 306056116259 525884078241 606924840717 675633313251 759610335237 918168348777 1032290968399 1149154096897 1820774522151 2026899939753 2278831005711 2754505046331 3096872905197 3447462290691 3978729511367 6836493017133 8263515138993 9290618715591 10342386872073 11936188534101 13419782589187 14939003259661 27871856146773 31027160616219 35808565602303 40259347767561 44817009778983 60905167135541 107425696806909 120778043302683 134451029336949 182715501406623 362334129908049 403353088010847 548146504219869 791767172762033 1644439512659607 2375301518286099 7125904554858297 21377713664574891
• Sum of all divisors σ(n): 35516995395840000
• Sum of proper divisors (its aliquot sum) s(n): 14139281731265109
• 21377713664574891 is a deficient number, because the sum of its proper divisors (14139281731265109) is less than itself. Its deficiency is 7238431933309782

Bases of 21377713664574891

• Binary: 1001011111100101110101011010101000101100100010110101011₂
• Hexadecimal: 0x4BF2EAD51645AB
• Base-36: 5UHRM2VOECR

Squares and roots of 21377713664574891

• 21377713664574891 squared (21377713664574891²) is 457006641524552015268351747661881
• 21377713664574891 cubed (21377713664574891³) is 9769757125320894413433671015359311510207070429971
• The square root of 21377713664574891 is 146211195.4146292143
• The cube root of 21377713664574891 is 277536.6990484439

Scales and comparisons

• 21,377,713,664,574,891 seconds is equal to 679,745,168 years, 48 weeks, 3 hours, 14 minutes, 51 seconds.
• To count from 1 to 21,377,713,664,574,891 would take you about two billion, thirty-nine million, two hundred thirty-five thousand, five hundred six 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 21377713664574891 cubic inches would be around 23128.1 feet tall.

Recreational maths with 21377713664574891

• 21377713664574891 backwards is 19847546631777312
• The number of decimal digits it has is: 17
• The sum of 21377713664574891's digits is 81
• More coming soon!