18966418164

Names of 18966418164

• Cardinal: 18966418164 can be written as Eighteen billion, nine hundred sixty-six million, four hundred eighteen thousand, one hundred sixty-four.

Scientific notation

• Scientific notation: 1.8966418164 × 10¹⁰

Factors of 18966418164

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1985

Divisors of 18966418164

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 47 54 94 108 141 188 282 423 564 846 1269 1692 1933 2538 3866 5076 5799 7732 11598 17397 23196 34794 52191 69588 90851 104382 181702 208764 272553 363404 545106 817659 1090212 1635318 2452977 3270636 3736489 4905954 7472978 9811908 11209467 14945956 22418934 33628401 44837868 67256802 100885203 134513604 175614983 201770406 351229966 403540812 526844949 702459932 1053689898 1580534847 2107379796 3161069694 4741604541 6322139388 9483209082 18966418164
• Sum of all divisors σ(n): 50244405120
• Sum of proper divisors (its aliquot sum) s(n): 31277986956
• 18966418164 is an abundant number, because the sum of its proper divisors (31277986956) is greater than itself. Its abundance is 12311568792

Bases of 18966418164

• Binary: 10001101010011111001001001011110100₂
• Hexadecimal: 0x46A7C92F4
• Base-36: 8PO45X0

Squares and roots of 18966418164

• 18966418164 squared (18966418164²) is 359725017971709130896
• 18966418164 cubed (18966418164³) is 6822695114903850498350547994944
• The square root of 18966418164 is 137718.6195254657
• The cube root of 18966418164 is 2666.8286193793

Scales and comparisons

• 18,966,418,164 seconds is equal to 603 years, 3 weeks, 5 days, 17 hours, 29 minutes, 24 seconds.
• To count from 1 to 18,966,418,164 would take you about one thousand, two hundred 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 18966418164 cubic inches would be around 222.2 feet tall.

Recreational maths with 18966418164

• 18966418164 backwards is 46181466981
• 18966418164 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18966418164's digits is 54
• More coming soon!