121989177240089592889

Names of 121989177240089592889

• Cardinal: 121989177240089592889 can be written as One hundred twenty-one quintillion, nine hundred eighty-nine quadrillion, one hundred seventy-seven trillion, two hundred forty billion, eighty-nine million, five hundred ninety-two thousand, eight hundred eighty-nine.

Scientific notation

• Scientific notation: 1.21989177240089592889 × 10²⁰

Factors of 121989177240089592889

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 148

Divisors of 121989177240089592889

• Number of divisors d(n): 49
• Complete list of divisors:
  1 17 131 289 2227 4913 17161 37859 83521 291737 643603 1419857 2248091 4959529 10941251 24137569 38217547 84311993 186001267 294499921 649698299 1433303881 3162021539 5006498657 11044871083 24366165977 38579489651 85110477169 187762808411 414224821609 655851324067 1446878111873 3191967742987 5053913144281 11149472509139 24596927901841 54263451630779 85916523452777 189541032655363 418147774331297 1460580898697209 3222197555141171 7108512163632049 24829875277852553 54777358437399907 422107879723493401 931215093435798419 7175833955299387817 121989177240089592889
• Sum of all divisors σ(n): 130610527428661774579
• Sum of proper divisors (its aliquot sum) s(n): 8621350188572181690
• 121989177240089592889 is a deficient number, because the sum of its proper divisors (8621350188572181690) is less than itself. Its deficiency is 113367827051517411199

Bases of 121989177240089592889

• Binary: 1101001110011110000100111100101111110011101101101010000010000111001₂
• Hexadecimal: 0x69CF09E5F9DB50439
• Base-36: PQTEAAOGQ90E1

Squares and roots of 121989177240089592889

• 121989177240089592889 squared (121989177240089592889²) is 14881359363713992743231337319605759366321
• 121989177240089592889 cubed (121989177240089592889³) is 1815364784993573149399763756983204636968719552056707507691369
• 121989177240089592889 is a perfect square number. Its square root is 11044871083
• 121989177240089592889 is a perfect cube number. Its cube root is 4959529
• Being both a perfect square and a perfect cube, 121989177240089592889 is also a perfect sixth number.

Scales and comparisons

• 121,989,177,240,089,592,889 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 121,989,177,240,089,592,889 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 121989177240089592889 cubic inches would be around 413294.1 feet tall.

Recreational maths with 121989177240089592889

• 121989177240089592889 backwards is 988295980042771989121
• The number of decimal digits it has is: 21
• The sum of 121989177240089592889's digits is 109
• More coming soon!