168400961982

Names of 168400961982

• Cardinal: 168400961982 can be written as One hundred sixty-eight billion, four hundred million, nine hundred sixty-one thousand, nine hundred eighty-two.

Scientific notation

• Scientific notation: 1.68400961982 × 10¹¹

Factors of 168400961982

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 31500383

Divisors of 168400961982

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 9 11 18 22 27 33 54 66 81 99 162 198 243 297 486 594 891 1782 2673 5346 31500367 63000734 94501101 189002202 283503303 346504037 567006606 693008074 850509909 1039512111 1701019818 2079024222 2551529727 3118536333 5103059454 6237072666 7654589181 9355608999 15309178362 18711217998 28066826997 56133653994 84200480991 168400961982
• Sum of all divisors σ(n): 412780822272
• Sum of proper divisors (its aliquot sum) s(n): 244379860290
• 168400961982 is an abundant number, because the sum of its proper divisors (244379860290) is greater than itself. Its abundance is 75978898308

Bases of 168400961982

• Binary: 10011100110101011110101100000110111110₂
• Hexadecimal: 0x27357AC1BE
• Base-36: 25D1L1VI

Squares and roots of 168400961982

• 168400961982 squared (168400961982²) is 28358883996463009368324
• 168400961982 cubed (168400961982³) is 4775663345740315463104439759058168
• The square root of 168400961982 is 410366.8626753383
• The cube root of 168400961982 is 5522.2346416679

Scales and comparisons

• 168,400,961,982 seconds is equal to 5,354 years, 32 weeks, 5 days, 4 hours, 59 minutes, 42 seconds.
• To count from 1 to 168,400,961,982 would take you about ten thousand, seven hundred 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 168400961982 cubic inches would be around 460.2 feet tall.

Recreational maths with 168400961982

• 168400961982 backwards is 289169004861
• 168400961982 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 168400961982's digits is 54
• More coming soon!