121928428527228072

Names of 121928428527228072

• Cardinal: 121928428527228072 can be written as One hundred twenty-one quadrillion, nine hundred twenty-eight trillion, four hundred twenty-eight billion, five hundred twenty-seven million, two hundred twenty-eight thousand and seventy-two.

Scientific notation

• Scientific notation: 1.21928428527228072 × 10¹⁷

Factors of 121928428527228072

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1693450396211506

Divisors of 121928428527228072

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 36 72 1693450396211501 3386900792423002 5080351188634503 6773801584846004 10160702377269006 13547603169692008 15241053565903509 20321404754538012 30482107131807018 40642809509076024 60964214263614036 121928428527228072
• Sum of all divisors σ(n): 330222827261242890
• Sum of proper divisors (its aliquot sum) s(n): 208294398734014818
• 121928428527228072 is an abundant number, because the sum of its proper divisors (208294398734014818) is greater than itself. Its abundance is 86365970206786746

Bases of 121928428527228072

• Binary: 110110001001011010100001001111110011000110001010010101000₂
• Hexadecimal: 0x1B12D427E6314A8
• Base-36: XCK0QSMDLM0

Squares and roots of 121928428527228072

• 121928428527228072 squared (121928428527228072²) is 14866541683119364310831071904837184
• 121928428527228072 cubed (121928428527228072³) is 1812654065057276335677593362376838199147427994229248
• The square root of 121928428527228072 is 349182514.6355814763
• The cube root of 121928428527228072 is 495870.5607205229

Scales and comparisons

• 121,928,428,527,228,072 seconds is equal to 3,876,946,877 years, 40 weeks, 1 day, 14 hours, 1 minute, 12 seconds.
• To count from 1 to 121,928,428,527,228,072 would take you about eleven billion, six hundred thirty million, eight hundred forty thousand, six hundred thirty-three 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 121928428527228072 cubic inches would be around 41322.5 feet tall.

Recreational maths with 121928428527228072

• 121928428527228072 backwards is 270822725824829121
• 121928428527228072 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 121928428527228072's digits is 72
• More coming soon!