121428715693123151863877816

Names of 121428715693123151863877816

• Cardinal: 121428715693123151863877816 can be written as One hundred twenty-one septillion, four hundred twenty-eight sextillion, seven hundred fifteen quintillion, six hundred ninety-three quadrillion, one hundred twenty-three trillion, one hundred fifty-one billion, eight hundred sixty-three million, eight hundred seventy-seven thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 1.21428715693123151863877816 × 10²⁶

Factors of 121428715693123151863877816

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 32386

Divisors of 121428715693123151863877816

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 4 8 12373 20011 24746 40022 49492 80044 98984 160088 153091129 247596103 306182258 495192206 612364516 990384412 1224729032 1980768824 3063506582419 6127013164838 12254026329676 24508052659352
• Sum of all divisors σ(n): 121428715693144602420749004
• Sum of proper divisors (its aliquot sum) s(n): 21450556871188
• 121428715693123151863877816 is a deficient number, because the sum of its proper divisors (21450556871188) is less than itself. Its deficiency is 121428715693101701307006628

Bases of 121428715693123151863877816

• Binary: 110010001110001100001111101111000101010001000101011101101100101001111100001000010111000₂
• Hexadecimal: 0x647187DE2A22BB653E10B8
• Base-36: F99MNQMUPW1HK0R08

Squares and roots of 121428715693123151863877816

• 121428715693123151863877816 squared (121428715693123151863877816²) is 14744932994881332815580779877489109556121312976929856
• 121428715693123151863877816 cubed (121428715693123151863877816³) is 1790458276549596252717142864120837015509731894766472375168661382258878386474496
• The square root of 121428715693123151863877816 is 11019469846282.2226583821
• 121428715693123151863877816 is a perfect cube number. Its cube root is 495192206

Scales and comparisons

• 121,428,715,693,123,151,863,877,816 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 121,428,715,693,123,151,863,877,816 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 121428715693123151863877816 cubic inches would be around 41266017.2 feet tall.

Recreational maths with 121428715693123151863877816

• 121428715693123151863877816 backwards is 618778368151321396517824121
• The number of decimal digits it has is: 27
• The sum of 121428715693123151863877816's digits is 116
• More coming soon!