1391109379209

Names of 1391109379209

• Cardinal: 1391109379209 can be written as One trillion, three hundred ninety-one billion, one hundred nine million, three hundred seventy-nine thousand, two hundred nine.

Scientific notation

• Scientific notation: 1.391109379209 × 10¹²

Factors of 1391109379209

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 464

Divisors of 1391109379209

• Number of divisors d(n): 81
• Complete list of divisors:
  1 3 9 11 33 99 103 121 309 347 363 927 1041 1089 1133 3123 3399 3817 10197 10609 11451 12463 31827 34353 35741 37389 41987 95481 107223 112167 116699 120409 125961 321669 350097 361227 377883 393151 1050291 1083681 1179453 1283689 1324499 3538359 3681323 3851067 3973497 4324661 11043969 11553201 11920491 12402127 12973983 14569489 33131907 37206381 38921949 40494553 43708467 111619143 121483659 131125401 136423397 364450977 409270191 445440083 1227810573 1277419081 1336320249 1500657367 3832257243 4008960747 4501972101 11496771729 13505916303 14051609891 42154829673 126464489019 154567708801 463703126403 1391109379209
• Sum of all divisors σ(n): 2236754982189
• Sum of proper divisors (its aliquot sum) s(n): 845645602980
• 1391109379209 is a deficient number, because the sum of its proper divisors (845645602980) is less than itself. Its deficiency is 545463776229

Bases of 1391109379209

• Binary: 10100001111100100100101001001010010001001₂
• Hexadecimal: 0x143E4949489
• Base-36: HR2ELUO9

Squares and roots of 1391109379209

• 1391109379209 squared (1391109379209²) is 1935185304923249361465681
• 1391109379209 cubed (1391109379209³) is 2692054428186160790619629142268426329
• 1391109379209 is a perfect square number. Its square root is 1179453
• The cube root of 1391109379209 is 11163.1585463935

Scales and comparisons

• 1,391,109,379,209 seconds is equal to 44,232 years, 50 weeks, 5 days, 9 seconds.
• To count from 1 to 1,391,109,379,209 would take you about one hundred ten thousand, five hundred eighty-two 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 1391109379209 cubic inches would be around 930.3 feet tall.

Recreational maths with 1391109379209

• 1391109379209 backwards is 9029739011931
• The number of decimal digits it has is: 13
• The sum of 1391109379209's digits is 54
• More coming soon!