30321018

Names of 30321018

• Cardinal: 30321018 can be written as Thirty million, three hundred twenty-one thousand and eighteen.

Scientific notation

• Scientific notation: 3.0321018 × 10⁷

Factors of 30321018

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 305

Divisors of 30321018

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 39 42 63 78 91 107 117 126 173 182 214 234 273 321 346 519 546 642 749 819 963 1038 1211 1391 1498 1557 1638 1926 2247 2249 2422 2782 3114 3633 4173 4494 4498 6741 6747 7266 8346 9737 10899 12519 13482 13494 15743 18511 19474 20241 21798 25038 29211 31486 37022 40482 47229 55533 58422 87633 94458 111066 129577 141687 166599 175266 240643 259154 283374 333198 388731 481286 721929 777462 1166193 1443858 1684501 2165787 2332386 3369002 4331574 5053503 10107006 15160509 30321018
• Sum of all divisors σ(n): 82083456
• Sum of proper divisors (its aliquot sum) s(n): 51762438
• 30321018 is an abundant number, because the sum of its proper divisors (51762438) is greater than itself. Its abundance is 21441420

Bases of 30321018

• Binary: 1110011101010100101111010₂
• Hexadecimal: 0x1CEA97A
• Base-36: I1VUI

Squares and roots of 30321018

• 30321018 squared (30321018²) is 919364132556324
• 30321018 cubed (30321018³) is 27876056411794686017832
• The square root of 30321018 is 5506.4523969613
• The cube root of 30321018 is 311.8276291465

Scales and comparisons

• 30,321,018 seconds is equal to 50 weeks, 22 hours, 30 minutes, 18 seconds.
• To count from 1 to 30,321,018 would take you about twenty-three weeks!

  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 30321018 cubic inches would be around 26 feet tall.

Recreational maths with 30321018

• 30321018 backwards is 81012303
• 30321018 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30321018's digits is 18
• More coming soon!