690121907055

Names of 690121907055

• Cardinal: 690121907055 can be written as Six hundred ninety billion, one hundred twenty-one million, nine hundred seven thousand and fifty-five.

Scientific notation

• Scientific notation: 6.90121907055 × 10¹¹

Factors of 690121907055

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 7178

Divisors of 690121907055

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 7 9 15 21 35 45 63 105 315 359 1063 1077 1795 2513 3189 3231 5315 5385 5741 7441 7539 9567 12565 15945 16155 17223 22323 22617 28705 37205 37695 40187 47835 51669 66969 86115 111615 113085 120561 200935 258345 334845 361683 381617 602805 1144851 1808415 1908085 2061019 2671319 3434553 5724255 6102683 6183057 8013957 10305095 13356595 14427133 17172765 18308049 18549171 24041871 30513415 30915285 40069785 42718781 43281399 54924147 72135665 91540245 92745855 120209355 128156343 129844197 213593905 216406995 274620735 384469029 640781715 649220985 1922345145 2190863197 6572589591 10954315985 15336042379 19717768773 32862947955 46008127137 76680211895 98588843865 138024381411 230040635685 690121907055
• Sum of all divisors σ(n): 1372435384320
• Sum of proper divisors (its aliquot sum) s(n): 682313477265
• 690121907055 is a deficient number, because the sum of its proper divisors (682313477265) is less than itself. Its deficiency is 7808429790

Bases of 690121907055

• Binary: 1010000010101110011110001001101101101111₂
• Hexadecimal: 0xA0AE789B6F
• Base-36: 8T1CRJHR

Squares and roots of 690121907055

• 690121907055 squared (690121907055²) is 476268246597230058773025
• 690121907055 cubed (690121907055³) is 328683150611421422641009746391191375
• The square root of 690121907055 is 830735.7624750483
• The cube root of 690121907055 is 8837.0762968355

Scales and comparisons

• 690,121,907,055 seconds is equal to 21,943 years, 38 weeks, 4 days, 1 hour, 44 minutes, 15 seconds.
• To count from 1 to 690,121,907,055 would take you about forty-three thousand, eight hundred eighty-seven 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 690121907055 cubic inches would be around 736.4 feet tall.

Recreational maths with 690121907055

• 690121907055 backwards is 550709121096
• 690121907055 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 690121907055's digits is 45
• More coming soon!