1990971626

Names of 1990971626

• Cardinal: 1990971626 can be written as One billion, nine hundred ninety million, nine hundred seventy-one thousand, six hundred twenty-six.

Scientific notation

• Scientific notation: 1.990971626 × 10⁹

Factors of 1990971626

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 55

Divisors of 1990971626

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 7 14 17 29 34 49 58 98 119 203 238 343 406 493 686 833 841 986 1421 1666 1682 2401 2842 3451 4802 5831 5887 6902 9947 11662 11774 14297 19894 24157 24389 28594 40817 41209 48314 48778 69629 81634 82418 100079 139258 169099 170723 200158 288463 338198 341446 414613 576926 700553 829226 1183693 1195061 1401106 2019241 2367386 2390122 2902291 4038482 4903871 5804582 8365427 9807742 16730854 20316037 34327097 40632074 58557989 68654194 117115978 142212259 284424518 995485813 1990971626
• Sum of all divisors σ(n): 3820676040
• Sum of proper divisors (its aliquot sum) s(n): 1829704414
• 1990971626 is a deficient number, because the sum of its proper divisors (1829704414) is less than itself. Its deficiency is 161267212

Bases of 1990971626

• Binary: 1110110101010111101000011101010₂
• Hexadecimal: 0x76ABD0EA
• Base-36: WXDFJE

Squares and roots of 1990971626

• 1990971626 squared (1990971626²) is 3963968015537083876
• 1990971626 cubed (1990971626³) is 7892147845305861147898102376
• The square root of 1990971626 is 44620.3050863617
• The cube root of 1990971626 is 1258.0223502525

Scales and comparisons

• 1,990,971,626 seconds is equal to 63 years, 15 weeks, 6 days, 15 hours, 40 minutes, 26 seconds.
• To count from 1 to 1,990,971,626 would take you about one hundred twenty-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 1990971626 cubic inches would be around 104.8 feet tall.

Recreational maths with 1990971626

• 1990971626 backwards is 6261790991
• The number of decimal digits it has is: 10
• The sum of 1990971626's digits is 50
• More coming soon!