168437228807836990

Names of 168437228807836990

• Cardinal: 168437228807836990 can be written as One hundred sixty-eight quadrillion, four hundred thirty-seven trillion, two hundred twenty-eight billion, eight hundred seven million, eight hundred thirty-six thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.6843722880783699 × 10¹⁷

Factors of 168437228807836990

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 10995388836

Divisors of 168437228807836990

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 5 10 167 334 835 1670 9173 18346 45865 91730 1531891 3063782 7659455 15318910 10995379489 21990758978 54976897445 109953794890 1836228374663 3672456749326 9181141873315 18362283746630 100860616052597 201721232105194 504303080262985 1008606160525970 16843722880783699 33687445761567398 84218614403918495 168437228807836990
• Sum of all divisors σ(n): 305035752998370240
• Sum of proper divisors (its aliquot sum) s(n): 136598524190533250
• 168437228807836990 is a deficient number, because the sum of its proper divisors (136598524190533250) is less than itself. Its deficiency is 31838704617303740

Bases of 168437228807836990

• Binary: 1001010110011010001100010001100110000010101101010100111110₂
• Hexadecimal: 0x25668C4660AD53E
• Base-36: 1A2I0IONTB9A

Squares and roots of 168437228807836990

• 168437228807836990 squared (168437228807836990²) is 28371100048463631195528042412260100
• 168437228807836990 cubed (168437228807836990³) is 4778749470393103763528783409652999701915338281099000
• The square root of 168437228807836990 is 410411048.5937689641
• The cube root of 168437228807836990 is 552263.1035972651

Scales and comparisons

• 168,437,228,807,836,990 seconds is equal to 5,355,782,865 years, 27 weeks, 4 days, 16 hours, 3 minutes, 10 seconds.
• To count from 1 to 168,437,228,807,836,990 would take you about sixteen billion, sixty-seven million, three hundred forty-eight thousand, five hundred ninety-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 168437228807836990 cubic inches would be around 46021.9 feet tall.

Recreational maths with 168437228807836990

• 168437228807836990 backwards is 099638708822734861
• The number of decimal digits it has is: 18
• The sum of 168437228807836990's digits is 91
• More coming soon!