990147249020875

Names of 990147249020875

• Cardinal: 990147249020875 can be written as Nine hundred ninety trillion, one hundred forty-seven billion, two hundred forty-nine million, twenty thousand, eight hundred seventy-five.

Scientific notation

• Scientific notation: 9.90147249020875 × 10¹⁴

Factors of 990147249020875

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 37384

Divisors of 990147249020875

• Number of divisors d(n): 72
• Complete list of divisors:
  1 5 11 25 47 55 121 125 235 275 517 605 1175 1375 2585 3025 5687 5875 12925 15125 28435 37321 64625 142175 186605 410531 710875 933025 1754087 2052655 4515841 4665125 8770435 10263275 19294957 22579205 43852175 51316375 96474785 112896025 212244527 219260875 482373925 564480125 1061222635 1392857041 2411869625 5306113175 6964285205 15321427451 26530565875 34821426025 65464280927 76607137255 168535701961 174107130125 327321404635 383035686275 720107090197 842678509805 1636607023175 1915178431375 3600535450985 4213392549025 7921177992167 8183035115875 18002677254925 21066962745125 39605889960835 90013386274625 198029449804175 990147249020875
• Sum of all divisors σ(n): 1387189067689152
• Sum of proper divisors (its aliquot sum) s(n): 397041818668277
• 990147249020875 is a deficient number, because the sum of its proper divisors (397041818668277) is less than itself. Its deficiency is 593105430352598

Bases of 990147249020875

• Binary: 11100001001000100010011111000011011001111111001011₂
• Hexadecimal: 0x384889F0D9FCB
• Base-36: 9QZ7D780JV

Squares and roots of 990147249020875

• 990147249020875 squared (990147249020875²) is 980391574743606648646185765625
• 990147249020875 cubed (990147249020875³) is 970732020695625677617903198967041643482421875
• The square root of 990147249020875 is 31466605.2986475647
• The cube root of 990147249020875 is 99670.4903941265

Scales and comparisons

• 990,147,249,020,875 seconds is equal to 31,483,619 years, 41 weeks, 1 day, 9 hours, 47 minutes, 55 seconds.
• To count from 1 to 990,147,249,020,875 would take you about seventy-eight million, seven hundred nine thousand and forty-nine 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 990147249020875 cubic inches would be around 8305.9 feet tall.

Recreational maths with 990147249020875

• 990147249020875 backwards is 578020942741099
• The number of decimal digits it has is: 15
• The sum of 990147249020875's digits is 67
• More coming soon!