21081189329408

Names of 21081189329408

• Cardinal: 21081189329408 can be written as Twenty-one trillion, eighty-one billion, one hundred eighty-nine million, three hundred twenty-nine thousand, four hundred eight.

Scientific notation

• Scientific notation: 2.1081189329408 × 10¹³

Factors of 21081189329408

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 4259

Divisors of 21081189329408

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 64 104 128 193 208 256 386 416 512 772 832 1544 1664 2509 3088 3328 4051 5018 6176 6656 8102 10036 12352 16204 20072 24704 32408 40144 49408 52663 64816 80288 98816 105326 129632 160576 210652 259264 321152 421304 518528 642304 781843 842608 1037056 1284608 1563686 1685216 2074112 3127372 3370432 6254744 6740864 10163959 12509488 13481728 16410601 20327918 25018976 26963456 32821202 40655836 50037952 65642404 81311672 100075904 131284808 162623344 200151808 213337813 262569616 325246688 400303616 426675626 525139232 650493376 853351252 1050278464 1300986752 1706702504 2100556928 2601973504 3167245993 3413405008 4201113856 5203947008 6334491986 6826810016 8402227712 12668983972 13653620032 25337967944 27307240064 41174197909 50675935888 54614480128 82348395818 101351871776 109228960256 164696791636 202703743552 329393583272 405407487104 658787166544 810814974208 1317574333088 1621629948416 2635148666176 5270297332352 10540594664704 21081189329408
• Sum of all divisors σ(n): 45607588091604
• Sum of proper divisors (its aliquot sum) s(n): 24526398762196
• 21081189329408 is an abundant number, because the sum of its proper divisors (24526398762196) is greater than itself. Its abundance is 3445209432788

Bases of 21081189329408

• Binary: 100110010110001011000110011010010101000000000₂
• Hexadecimal: 0x132C58CD2A00
• Base-36: 7H0KBTR7K

Squares and roots of 21081189329408

• 21081189329408 squared (21081189329408²) is 444416543542345720733630464
• 21081189329408 cubed (21081189329408³) is 9368829295537284417323901643165439885312
• The square root of 21081189329408 is 4591425.6314796171
• The cube root of 21081189329408 is 27624.7508360655

Scales and comparisons

• 21,081,189,329,408 seconds is equal to 670,316 years, 31 weeks, 5 days, 20 hours, 50 minutes, 8 seconds.
• To count from 1 to 21,081,189,329,408 would take you about one million, six hundred seventy-five thousand, seven hundred ninety-one 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 21081189329408 cubic inches would be around 2302.1 feet tall.

Recreational maths with 21081189329408

• 21081189329408 backwards is 80492398118012
• The number of decimal digits it has is: 14
• The sum of 21081189329408's digits is 56
• More coming soon!