21408363379004329

Names of 21408363379004329

• Cardinal: 21408363379004329 can be written as Twenty-one quadrillion, four hundred eight trillion, three hundred sixty-three billion, three hundred seventy-nine million, four thousand, three hundred twenty-nine.

Scientific notation

• Scientific notation: 2.1408363379004329 × 10¹⁶

Factors of 21408363379004329

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 544

Divisors of 21408363379004329

• Number of divisors d(n): 144
• Complete list of divisors:
  1 7 13 49 61 91 169 343 427 463 637 793 1183 2989 3241 3721 4459 5551 6019 8281 10309 20923 22687 26047 28243 38857 42133 48373 57967 72163 78247 158809 182329 197701 214369 271999 294931 338611 367159 505141 547729 628849 1276303 1383907 1500583 1722823 2064517 2370277 2570113 2786797 3535987 3834103 4401943 4773067 9687349 10504081 12059761 13076509 16591939 17990791 19507579 22396699 26838721 30813601 33411469 36228361 73528567 84418327 91535563 99252847 125935537 136553053 156776893 169994617 215695207 233880283 253598527 291157087 590928289 640748941 694769929 797667049 955871371 1097438251 1189962319 1290287011 1637161981 1775189689 2038099609 2209930021 4485242587 4863389503 5583669343 6054423667 7682067757 8329736233 9032009077 10369671637 12426327823 14266697263 15469510147 16773731143 34043726521 39085685401 42380965669 58308153631 63224063539 72587701459 78707507671 99866880841 108286571029 117416118001 134805731281 273599797807 296666759683 369319843687 442568444773 508113910213 550952553697 758005997203 821912826007 943640118967 1023197599723 2076667317781 2585238905809 3556797371491 3856667875879 4801157967931 5753389782049 6605480832769 7162383198061 18096672340663 26996675131153 33608105775517 46238365829383 50136682386427 62415053583103 126676706384641 235256740428619 350956776704989 436905375081721 1646797183000333 3058337625572047 21408363379004329
• Sum of all divisors σ(n): 27544152287808000
• Sum of proper divisors (its aliquot sum) s(n): 6135788908803671
• 21408363379004329 is a deficient number, because the sum of its proper divisors (6135788908803671) is less than itself. Its deficiency is 15272574470200658

Bases of 21408363379004329

• Binary: 1001100000011101100101100000110011011011001001110101001₂
• Hexadecimal: 0x4C0ECB066D93A9
• Base-36: 5USMQD4AOQ1

Squares and roots of 21408363379004329

• 21408363379004329 squared (21408363379004329²) is 458318022567493651251135400740241
• 21408363379004329 cubed (21408363379004329³) is 9811838770271610697979499325394131081184143503289
• The square root of 21408363379004329 is 146315971.0318881389
• The cube root of 21408363379004329 is 277669.2726038607

Scales and comparisons

• 21,408,363,379,004,329 seconds is equal to 680,719,735 years, 1 week, 6 days, 6 hours, 58 minutes, 49 seconds.
• To count from 1 to 21,408,363,379,004,329 would take you about two billion, forty-two million, one hundred fifty-nine thousand, two hundred five 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 21408363379004329 cubic inches would be around 23139.1 feet tall.

Recreational maths with 21408363379004329

• 21408363379004329 backwards is 92340097336380412
• The number of decimal digits it has is: 17
• The sum of 21408363379004329's digits is 64
• More coming soon!