30993180

Names of 30993180

• Cardinal: 30993180 can be written as Thirty million, nine hundred ninety-three thousand, one hundred eighty.

Scientific notation

• Scientific notation: 3.099318 × 10⁷

Factors of 30993180

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 937

Divisors of 30993180

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 19 20 30 31 38 57 60 62 76 93 95 114 124 155 186 190 228 285 310 372 380 465 570 589 620 877 930 1140 1178 1754 1767 1860 2356 2631 2945 3508 3534 4385 5262 5890 7068 8770 8835 10524 11780 13155 16663 17540 17670 26310 27187 33326 35340 49989 52620 54374 66652 81561 83315 99978 108748 135935 163122 166630 199956 249945 271870 326244 333260 407805 499890 516553 543740 815610 999780 1033106 1549659 1631220 2066212 2582765 3099318 5165530 6198636 7748295 10331060 15496590 30993180
• Sum of all divisors σ(n): 94402560
• Sum of proper divisors (its aliquot sum) s(n): 63409380
• 30993180 is an abundant number, because the sum of its proper divisors (63409380) is greater than itself. Its abundance is 32416200

Bases of 30993180

• Binary: 1110110001110101100011100₂
• Hexadecimal: 0x1D8EB1C
• Base-36: IGAHO

Squares and roots of 30993180

• 30993180 squared (30993180²) is 960577206512400
• 30993180 cubed (30993180³) is 29771342265335985432000
• The square root of 30993180 is 5567.1518750615
• The cube root of 30993180 is 314.1150267581

Scales and comparisons

• 30,993,180 seconds is equal to 51 weeks, 1 day, 17 hours, 13 minutes.
• To count from 1 to 30,993,180 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 30993180 cubic inches would be around 26.2 feet tall.

Recreational maths with 30993180

• 30993180 backwards is 08139903
• The number of decimal digits it has is: 8
• The sum of 30993180's digits is 33
• More coming soon!