12013820

Names of 12013820

• Cardinal: 12013820 can be written as Twelve million, thirteen thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.201382 × 10⁷

Factors of 12013820

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 91

Divisors of 12013820

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 10 13 14 20 23 26 28 35 41 46 49 52 65 70 82 91 92 98 115 130 140 161 164 182 196 205 230 245 260 287 299 322 364 410 455 460 490 533 574 598 637 644 805 820 910 943 980 1066 1127 1148 1196 1274 1435 1495 1610 1820 1886 2009 2093 2132 2254 2548 2665 2870 2990 3185 3220 3731 3772 4018 4186 4508 4715 5330 5635 5740 5980 6370 6601 7462 8036 8372 9430 10045 10465 10660 11270 12259 12740 13202 14651 14924 18655 18860 20090 20930 22540 24518 26117 26404 29302 33005 37310 40180 41860 46207 49036 52234 58604 61295 66010 73255 74620 85813 92414 104468 122590 130585 132020 146510 171626 184828 231035 245180 261170 293020 343252 429065 462070 522340 600691 858130 924140 1201382 1716260 2402764 3003455 6006910 12013820
• Sum of all divisors σ(n): 33784128
• Sum of proper divisors (its aliquot sum) s(n): 21770308
• 12013820 is an abundant number, because the sum of its proper divisors (21770308) is greater than itself. Its abundance is 9756488

Bases of 12013820

• Binary: 101101110101000011111100₂
• Hexadecimal: 0xB750FC
• Base-36: 75HX8

Squares and roots of 12013820

• 12013820 squared (12013820²) is 144331870992400
• 12013820 cubed (12013820³) is 1733977118365914968000
• The square root of 12013820 is 3466.0957863279
• The cube root of 12013820 is 229.0307034085

Scales and comparisons

• 12,013,820 seconds is equal to 19 weeks, 6 days, 1 hour, 10 minutes, 20 seconds.
• To count from 1 to 12,013,820 would take you about twenty-nine 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 12013820 cubic inches would be around 19.1 feet tall.

Recreational maths with 12013820

• 12013820 backwards is 02831021
• The number of decimal digits it has is: 8
• The sum of 12013820's digits is 17
• More coming soon!