30491802320

Names of 30491802320

• Cardinal: 30491802320 can be written as Thirty billion, four hundred ninety-one million, eight hundred two thousand, three hundred twenty.

Scientific notation

• Scientific notation: 3.049180232 × 10¹⁰

Factors of 30491802320

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2803

Divisors of 30491802320

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 35 40 49 56 70 80 98 112 140 196 245 280 392 490 560 784 980 1960 2789 3920 5578 11156 13945 19523 22312 27890 39046 44624 55780 78092 97615 111560 136661 156184 195230 223120 273322 312368 390460 546644 683305 780920 1093288 1366610 1561840 2186576 2733220 5466440 7778521 10932880 15557042 31114084 38892605 54449647 62228168 77785210 108899294 124456336 155570420 217798588 272248235 311140840 381147529 435597176 544496470 622281680 762295058 871194352 1088992940 1524590116 1905737645 2177985880 3049180232 3811475290 4355971760 6098360464 7622950580 15245901160 30491802320
• Sum of all divisors σ(n): 82497459222
• Sum of proper divisors (its aliquot sum) s(n): 52005656902
• 30491802320 is an abundant number, because the sum of its proper divisors (52005656902) is greater than itself. Its abundance is 21513854582

Bases of 30491802320

• Binary: 11100011001011100111111101011010000₂
• Hexadecimal: 0x71973FAD0
• Base-36: E0A158W

Squares and roots of 30491802320

• 30491802320 squared (30491802320²) is 929750008721957382400
• 30491802320 cubed (30491802320³) is 28349753472968200347605447168000
• The square root of 30491802320 is 174619.0204989135
• The cube root of 30491802320 is 3124.1199380363

Scales and comparisons

• 30,491,802,320 seconds is equal to 969 years, 28 weeks, 2 days, 9 hours, 5 minutes, 20 seconds.
• To count from 1 to 30,491,802,320 would take you about one thousand, nine hundred thirty-nine 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 30491802320 cubic inches would be around 260.3 feet tall.

Recreational maths with 30491802320

• 30491802320 backwards is 02320819403
• The number of decimal digits it has is: 11
• The sum of 30491802320's digits is 32
• More coming soon!