842021947669

Names of 842021947669

• Cardinal: 842021947669 can be written as Eight hundred forty-two billion, twenty-one million, nine hundred forty-seven thousand, six hundred sixty-nine.

Scientific notation

• Scientific notation: 8.42021947669 × 10¹¹

Factors of 842021947669

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 9758

Divisors of 842021947669

• Number of divisors d(n): 48
• Complete list of divisors:
  1 7 37 49 83 259 343 581 1813 3071 4067 6889 9631 12691 21497 28469 48223 67417 150479 254893 337561 356347 471919 799373 1053353 1784251 2362927 2494429 3303433 5595611 12489757 17461003 29576801 39169277 66347959 87428299 122227021 207037607 274184939 464435713 1449263249 2454874483 3251049991 10144842743 17184121381 22757349937 120288849667 842021947669
• Sum of all divisors σ(n): 1020891827200
• Sum of proper divisors (its aliquot sum) s(n): 178869879531
• 842021947669 is a deficient number, because the sum of its proper divisors (178869879531) is less than itself. Its deficiency is 663152068138

Bases of 842021947669

• Binary: 1100010000001100011010110100100100010101₂
• Hexadecimal: 0xC40C6B4915
• Base-36: AQTI4KYD

Squares and roots of 842021947669

• 842021947669 squared (842021947669²) is 709000960356296174533561
• 842021947669 cubed (842021947669³) is 596994369538399961067762990826219309
• The square root of 842021947669 is 917617.5388848013
• The cube root of 842021947669 is 9442.9524740515

Scales and comparisons

• 842,021,947,669 seconds is equal to 26,773 years, 36 weeks, 9 hours, 27 minutes, 49 seconds.
• To count from 1 to 842,021,947,669 would take you about fifty-three thousand, five hundred forty-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 842021947669 cubic inches would be around 786.9 feet tall.

Recreational maths with 842021947669

• 842021947669 backwards is 966749120248
• The number of decimal digits it has is: 12
• The sum of 842021947669's digits is 58
• More coming soon!