105397890

Names of 105397890

• Cardinal: 105397890 can be written as One hundred five million, three hundred ninety-seven thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.0539789 × 10⁸

Factors of 105397890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 9371

Divisors of 105397890

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 13 15 26 29 30 39 58 65 78 87 130 145 174 195 290 377 390 435 754 870 1131 1885 2262 3770 5655 9319 11310 18638 27957 46595 55914 93190 121147 139785 242294 270251 279570 363441 540502 605735 726882 810753 1211470 1351255 1621506 1817205 2702510 3513263 3634410 4053765 7026526 8107530 10539789 17566315 21079578 35132630 52698945 105397890
• Sum of all divisors σ(n): 281836800
• Sum of proper divisors (its aliquot sum) s(n): 176438910
• 105397890 is an abundant number, because the sum of its proper divisors (176438910) is greater than itself. Its abundance is 71041020

Bases of 105397890

• Binary: 110010010000011111010000010₂
• Hexadecimal: 0x6483E82
• Base-36: 1QR1J6

Squares and roots of 105397890

• 105397890 squared (105397890²) is 11108715216452100
• 105397890 cubed (105397890³) is 1170835144424944626069000
• The square root of 105397890 is 10266.3474517473
• The cube root of 105397890 is 472.3645590353

Scales and comparisons

• 105,397,890 seconds is equal to 3 years, 18 weeks, 1 day, 21 hours, 11 minutes, 30 seconds.
• To count from 1 to 105,397,890 would take you about 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 105397890 cubic inches would be around 39.4 feet tall.

Recreational maths with 105397890

• 105397890 backwards is 098793501
• The number of decimal digits it has is: 9
• The sum of 105397890's digits is 42
• More coming soon!