18838849419

Names of 18838849419

• Cardinal: 18838849419 can be written as Eighteen billion, eight hundred thirty-eight million, eight hundred forty-nine thousand, four hundred nineteen.

Scientific notation

• Scientific notation: 1.8838849419 × 10¹⁰

Factors of 18838849419

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 359

Divisors of 18838849419

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 13 39 67 117 127 149 201 381 447 603 871 1143 1341 1651 1937 2613 4953 5811 7839 8509 9983 14859 16129 17433 18923 25527 29949 48387 56769 76581 89847 110617 129779 145161 170307 209677 245999 331851 389337 629031 737997 995553 1080643 1168011 1267841 1887093 2213991 2403221 3241929 3803523 7209663 9725787 11410569 14048359 16481933 21628989 31241873 42145077 49445799 93725619 126435231 148337397 161015807 281176857 483047421 1449142263 2093205491 6279616473 18838849419
• Sum of all divisors σ(n): 30179494800
• Sum of proper divisors (its aliquot sum) s(n): 11340645381
• 18838849419 is a deficient number, because the sum of its proper divisors (11340645381) is less than itself. Its deficiency is 7498204038

Bases of 18838849419

• Binary: 10001100010111000100000011110001011₂
• Hexadecimal: 0x462E2078B
• Base-36: 8NK5X8R

Squares and roots of 18838849419

• 18838849419 squared (18838849419²) is 354902247431756637561
• 18838849419 cubed (18838849419³) is 6685949997831542773665438427059
• The square root of 18838849419 is 137254.6881494399
• The cube root of 18838849419 is 2660.8361052923

Scales and comparisons

• 18,838,849,419 seconds is equal to 599 years, 6 days, 5 hours, 43 minutes, 39 seconds.
• To count from 1 to 18,838,849,419 would take you about one thousand, one hundred ninety-eight 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 18838849419 cubic inches would be around 221.7 feet tall.

Recreational maths with 18838849419

• 18838849419 backwards is 91494883881
• The number of decimal digits it has is: 11
• The sum of 18838849419's digits is 63
• More coming soon!