161329990407047

Names of 161329990407047

• Cardinal: 161329990407047 can be written as One hundred sixty-one trillion, three hundred twenty-nine billion, nine hundred ninety million, four hundred seven thousand and forty-seven.

Scientific notation

• Scientific notation: 1.61329990407047 × 10¹⁴

Factors of 161329990407047

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 43732

Divisors of 161329990407047

• Number of divisors d(n): 64
• Complete list of divisors:
  1 7 11 31 77 151 217 341 1057 1661 2387 4681 11627 16651 26881 32767 51491 116557 183161 188167 295691 360437 516181 833311 1282127 2069837 2514301 3613267 4059031 5677991 5833177 9166421 17600107 27657311 28413217 39745937 44649341 64164947 77943331 125829961 193601177 312545387 447595531 545603317 857376641 880809727 1384129571 3133168717 4923550841 6001636487 9688906997 13875461461 34464855887 67586925181 97128230227 152630076071 473108476267 743456176991 1068410532497 2095194680611 5204193238937 14666362764277 23047141486721 161329990407047
• Sum of all divisors σ(n): 209022375100416
• Sum of proper divisors (its aliquot sum) s(n): 47692384693369
• 161329990407047 is a deficient number, because the sum of its proper divisors (47692384693369) is less than itself. Its deficiency is 113637605713678

Bases of 161329990407047

• Binary: 100100101011101010010000110001010001001110000111₂
• Hexadecimal: 0x92BA90C51387
• Base-36: 1L6PZ2VDDZ

Squares and roots of 161329990407047

• 161329990407047 squared (161329990407047²) is 26027365804737877044747260209
• 161329990407047 cubed (161329990407047³) is 4198994675599064824971443679478605936292823
• The square root of 161329990407047 is 12701574.3278952235
• The cube root of 161329990407047 is 54438.3603435871

Scales and comparisons

• 161,329,990,407,047 seconds is equal to 5,129,794 years, 34 weeks, 5 days, 8 hours, 10 minutes, 47 seconds.
• To count from 1 to 161,329,990,407,047 would take you about twelve million, eight hundred twenty-four thousand, four hundred eighty-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 161329990407047 cubic inches would be around 4536.5 feet tall.

Recreational maths with 161329990407047

• 161329990407047 backwards is 740704099923161
• The number of decimal digits it has is: 15
• The sum of 161329990407047's digits is 62
• More coming soon!