1361989188

Names of 1361989188

• Cardinal: 1361989188 can be written as One billion, three hundred sixty-one million, nine hundred eighty-nine thousand, one hundred eighty-eight.

Scientific notation

• Scientific notation: 1.361989188 × 10⁹

Factors of 1361989188

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 17606

Divisors of 1361989188

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 103 108 126 189 206 252 309 378 412 618 721 756 927 1236 1442 1854 2163 2781 2884 3708 4326 5562 6489 8652 11124 12978 17491 19467 25956 34982 38934 52473 69964 77868 104946 122437 157419 209892 244874 314838 367311 472257 489748 629676 734622 944514 1101933 1469244 1801573 1889028 2203866 3305799 3603146 4407732 5404719 6611598 7206292 10809438 12611011 13223196 16214157 21618876 25222022 32428314 37833033 48642471 50444044 64856628 75666066 97284942 113499099 151332132 194569884 226998198 340497297 453996396 680994594 1361989188
• Sum of all divisors σ(n): 4074936320
• Sum of proper divisors (its aliquot sum) s(n): 2712947132
• 1361989188 is an abundant number, because the sum of its proper divisors (2712947132) is greater than itself. Its abundance is 1350957944

Bases of 1361989188

• Binary: 1010001001011100100111001000100₂
• Hexadecimal: 0x512E4E44
• Base-36: MIW5L0

Squares and roots of 1361989188

• 1361989188 squared (1361989188²) is 1855014548228899344
• 1361989188 cubed (1361989188³) is 2526509758270465455668292672
• The square root of 1361989188 is 36905.1376911129
• The cube root of 1361989188 is 1108.4715559399

Scales and comparisons

• 1,361,989,188 seconds is equal to 43 years, 15 weeks, 6 days, 18 hours, 19 minutes, 48 seconds.
• To count from 1 to 1,361,989,188 would take you about eighty-six 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 1361989188 cubic inches would be around 92.4 feet tall.

Recreational maths with 1361989188

• 1361989188 backwards is 8819891631
• 1361989188 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1361989188's digits is 54
• More coming soon!