21370970985333768

Names of 21370970985333768

• Cardinal: 21370970985333768 can be written as Twenty-one quadrillion, three hundred seventy trillion, nine hundred seventy billion, nine hundred eighty-five million, three hundred thirty-three thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1370970985333768 × 10¹⁶

Factors of 21370970985333768

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 17228442

Divisors of 21370970985333768

• Number of divisors d(n): 36
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 36 72 17228437 34456874 51685311 68913748 103370622 137827496 155055933 206741244 310111866 413482488 620223732 1240447464 296819041462969 593638082925938 890457124388907 1187276165851876 1780914248777814 2374552331703752 2671371373166721 3561828497555628 5342742746333442 7123656995111256 10685485492666884 21370970985333768
• Sum of all divisors σ(n): 57879716444824365
• Sum of proper divisors (its aliquot sum) s(n): 36508745459490597
• 21370970985333768 is an abundant number, because the sum of its proper divisors (36508745459490597) is greater than itself. Its abundance is 15137774474156829

Bases of 21370970985333768

• Binary: 1001011111011001100100011101110000101100000010000001000₂
• Hexadecimal: 0x4BECC8EE160408
• Base-36: 5UFDKJAJQQ0

Squares and roots of 21370970985333768

• 21370970985333768 squared (21370970985333768²) is 456718400855977762712554361077824
• 21370970985333768 cubed (21370970985333768³) is 9760515693161137917952112131734433874924863160832
• The square root of 21370970985333768 is 146188135.5833426313
• The cube root of 21370970985333768 is 277507.5169798683

Scales and comparisons

• 21,370,970,985,333,768 seconds is equal to 679,530,772 years, 30 weeks, 1 day, 3 hours, 22 minutes, 48 seconds.
• To count from 1 to 21,370,970,985,333,768 would take you about two billion, thirty-eight million, five hundred ninety-two thousand, three hundred seventeen 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 21370970985333768 cubic inches would be around 23125.6 feet tall.

Recreational maths with 21370970985333768

• 21370970985333768 backwards is 86733358907907312
• The number of decimal digits it has is: 17
• The sum of 21370970985333768's digits is 81
• More coming soon!