30809240

Names of 30809240

• Cardinal: 30809240 can be written as Thirty million, eight hundred nine thousand, two hundred forty.

Scientific notation

• Scientific notation: 3.080924 × 10⁷

Factors of 30809240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1454

Divisors of 30809240

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 20 22 28 35 40 44 49 55 56 70 77 88 98 110 140 154 196 220 245 280 308 385 392 440 490 539 616 770 980 1078 1429 1540 1960 2156 2695 2858 3080 4312 5390 5716 7145 10003 10780 11432 14290 15719 20006 21560 28580 31438 40012 50015 57160 62876 70021 78595 80024 100030 110033 125752 140042 157190 200060 220066 280084 314380 350105 400120 440132 550165 560168 628760 700210 770231 880264 1100330 1400420 1540462 2200660 2800840 3080924 3851155 4401320 6161848 7702310 15404620 30809240
• Sum of all divisors σ(n): 88030800
• Sum of proper divisors (its aliquot sum) s(n): 57221560
• 30809240 is an abundant number, because the sum of its proper divisors (57221560) is greater than itself. Its abundance is 26412320

Bases of 30809240

• Binary: 1110101100001110010011000₂
• Hexadecimal: 0x1D61C98
• Base-36: ICCK8

Squares and roots of 30809240

• 30809240 squared (30809240²) is 949209269377600
• 30809240 cubed (30809240³) is 29244416190479129024000
• The square root of 30809240 is 5550.6071739945
• The cube root of 30809240 is 313.4923844181

Scales and comparisons

• 30,809,240 seconds is equal to 50 weeks, 6 days, 14 hours, 7 minutes, 20 seconds.
• To count from 1 to 30,809,240 would take you about twenty-four 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 30809240 cubic inches would be around 26.1 feet tall.

Recreational maths with 30809240

• 30809240 backwards is 04290803
• The number of decimal digits it has is: 8
• The sum of 30809240's digits is 26
• More coming soon!