30387890468

Names of 30387890468

• Cardinal: 30387890468 can be written as Thirty billion, three hundred eighty-seven million, eight hundred ninety thousand, four hundred sixty-eight.

Scientific notation

• Scientific notation: 3.0387890468 × 10¹⁰

Factors of 30387890468

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 111

Divisors of 30387890468

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 13 26 29 52 58 67 116 134 268 377 754 871 1508 1742 1943 3484 3886 4489 7772 8978 17956 25259 50518 58357 101036 116714 130181 233428 260362 300763 520724 601526 1203052 1692353 3384706 3909919 6769412 7819838 8722127 15639676 17444254 20151121 34888508 40302242 80604484 113387651 226775302 261964573 453550604 523929146 584382509 1047858292 1168765018 2337530036 7596972617 15193945234 30387890468
• Sum of all divisors σ(n): 60141936540
• Sum of proper divisors (its aliquot sum) s(n): 29754046072
• 30387890468 is a deficient number, because the sum of its proper divisors (29754046072) is less than itself. Its deficiency is 633844396

Bases of 30387890468

• Binary: 11100010011010000100110100100100100₂
• Hexadecimal: 0x713426924
• Base-36: DYK5YCK

Squares and roots of 30387890468

• 30387890468 squared (30387890468²) is 923423887095165259024
• 30387890468 cubed (30387890468³) is 28060903936582680583580160583232
• The square root of 30387890468 is 174321.2278180715
• The cube root of 30387890468 is 3120.5670425921

Scales and comparisons

• 30,387,890,468 seconds is equal to 966 years, 12 weeks, 3 days, 16 hours, 41 minutes, 8 seconds.
• To count from 1 to 30,387,890,468 would take you about one thousand, nine hundred thirty-two 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 30387890468 cubic inches would be around 260 feet tall.

Recreational maths with 30387890468

• 30387890468 backwards is 86409878303
• The number of decimal digits it has is: 11
• The sum of 30387890468's digits is 56
• More coming soon!