1989703664359968

Names of 1989703664359968

• Cardinal: 1989703664359968 can be written as One quadrillion, nine hundred eighty-nine trillion, seven hundred three billion, six hundred sixty-four million, three hundred fifty-nine thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 1.989703664359968 × 10¹⁵

Factors of 1989703664359968

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 53339

Divisors of 1989703664359968

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 96 12323 24646 36969 41011 49292 73938 82022 98584 123033 147876 164044 197168 246066 295752 328088 394336 492132 591504 656176 984264 1183008 1312352 1968528 3937056 505378553 1010757106 1516135659 1681902121 2021514212 3032271318 3363804242 4043028424 5045706363 6064542636 6727608484 8086056848 10091412726 12129085272 13455216968 16172113696 20182825452 24258170544 26910433936 40365650904 48516341088 53820867872 80731301808 161462603616 20726079837083 41452159674166 62178239511249 82904319348332 124356479022498 165808638696664 248712958044996 331617277393328 497425916089992 663234554786656 994851832179984 1989703664359968
• Sum of all divisors σ(n): 5223523327115184
• Sum of proper divisors (its aliquot sum) s(n): 3233819662755216
• 1989703664359968 is an abundant number, because the sum of its proper divisors (3233819662755216) is greater than itself. Its abundance is 1244115998395248

Bases of 1989703664359968

• Binary: 111000100011001111111111100000111110101101000100000₂
• Hexadecimal: 0x7119FFC1F5A20
• Base-36: JLAH8T4T9C

Squares and roots of 1989703664359968

• 1989703664359968 squared (1989703664359968²) is 3958920671967484193175080961024
• 1989703664359968 cubed (1989703664359968³) is 7877078967924130144469333731694941535313887232
• The square root of 1989703664359968 is 44606094.4755306727
• The cube root of 1989703664359968 is 125775.5233968999

Scales and comparisons

• 1,989,703,664,359,968 seconds is equal to 63,266,421 years, 50 weeks, 2 days, 18 hours, 12 minutes, 48 seconds.
• To count from 1 to 1,989,703,664,359,968 would take you about one hundred eighty-nine million, seven hundred ninety-nine thousand, two hundred sixty-five 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 1989703664359968 cubic inches would be around 10481.3 feet tall.

Recreational maths with 1989703664359968

• 1989703664359968 backwards is 8699534663079891
• The number of decimal digits it has is: 16
• The sum of 1989703664359968's digits is 93
• More coming soon!