842909718291495138

Names of 842909718291495138

• Cardinal: 842909718291495138 can be written as Eight hundred forty-two quadrillion, nine hundred nine trillion, seven hundred eighteen billion, two hundred ninety-one million, four hundred ninety-five thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 8.42909718291495138 × 10¹⁷

Factors of 842909718291495138

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 54048121065

Divisors of 842909718291495138

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 9 18 19 31 38 57 62 93 114 171 186 279 342 558 589 1178 1471 1767 2942 3534 4413 5301 8826 10602 13239 26478 27949 45601 55898 83847 91202 136803 167694 251541 273606 410409 503082 820818 866419 1732838 2599257 5198514 7797771 15595542 54048119539 108096239078 162144358617 324288717234 486433075851 972866151702 1026914271241 1675491705709 2053828542482 3080742813723 3350983411418 5026475117127 6161485627446 9242228441169 10052950234254 15079425351381 18484456882338 30158850702762 31834342408471 63668684816942 79504783841869 95503027225413 159009567683738 191006054450826 238514351525607 286509081676239 477028703051214 573018163352478 715543054576821 1431086109153642 1510590892995511 2464648299097939 3021181785991022 4531772678986533 4929296598195878 7393944897293817 9063545357973066 13595318036959599 14787889794587634 22181834691881451 27190636073919198 44363669383762902 46828317682860841 93656635365721682 140484953048582523 280969906097165046 421454859145747569 842909718291495138
• Sum of all divisors σ(n): 1985788445793484800
• Sum of proper divisors (its aliquot sum) s(n): 1142878727501989662
• 842909718291495138 is an abundant number, because the sum of its proper divisors (1142878727501989662) is greater than itself. Its abundance is 299969009210494524

Bases of 842909718291495138

• Binary: 101110110010100111011110110001000000011111010011100011100010₂
• Hexadecimal: 0xBB29DEC407D38E2
• Base-36: 6EJMK2UIRH0I

Squares and roots of 842909718291495138

• 842909718291495138 squared (842909718291495138²) is 710496793190247693224871583477639044
• 842909718291495138 cubed (842909718291495138³) is 598884651795002364225875728606115793141922505044968072
• The square root of 842909718291495138 is 918101148.1811223277
• The cube root of 842909718291495138 is 944626.9977166923

Scales and comparisons

• 842,909,718,291,495,138 seconds is equal to 26,801,921,750 years, 37 weeks, 3 days, 16 hours, 12 minutes, 18 seconds.
• To count from 1 to 842,909,718,291,495,138 would take you about eighty billion, four hundred five million, seven hundred sixty-five thousand, two hundred fifty-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 842909718291495138 cubic inches would be around 78718.9 feet tall.

Recreational maths with 842909718291495138

• 842909718291495138 backwards is 831594192817909248
• The number of decimal digits it has is: 18
• The sum of 842909718291495138's digits is 90
• More coming soon!