18400261212

Names of 18400261212

• Cardinal: 18400261212 can be written as Eighteen billion, four hundred million, two hundred sixty-one thousand, two hundred twelve.

Scientific notation

• Scientific notation: 1.8400261212 × 10¹⁰

Factors of 18400261212

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 388

Divisors of 18400261212

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 89 108 137 157 178 267 274 314 356 411 471 534 548 628 801 822 942 1068 1233 1413 1602 1644 1884 2403 2466 2826 3204 3699 4239 4806 4932 5652 7398 7921 8478 9612 12193 13973 14796 15842 16956 21509 23763 24386 27946 31684 36579 41919 43018 47526 48772 55892 64527 71289 73158 83838 86036 95052 109737 125757 129054 142578 146316 167676 193581 213867 219474 251514 258108 285156 329211 377271 387162 427734 438948 503028 580743 658422 754542 774324 855468 1085177 1161486 1243597 1316844 1509084 1914301 2170354 2322972 2487194 3255531 3730791 3828602 4340708 4974388 5742903 6511062 7461582 7657204 9766593 11192373 11485806 13022124 14923164 17228709 19533186 22384746 22971612 29299779 33577119 34457418 39066372 44769492 51686127 58599558 67154238 68914836 103372254 117199116 134308476 170372789 206744508 340745578 511118367 681491156 1022236734 1533355101 2044473468 3066710202 4600065303 6133420404 9200130606 18400261212
• Sum of all divisors σ(n): 48908116320
• Sum of proper divisors (its aliquot sum) s(n): 30507855108
• 18400261212 is an abundant number, because the sum of its proper divisors (30507855108) is greater than itself. Its abundance is 12107593896

Bases of 18400261212

• Binary: 10001001000101111011011010001011100₂
• Hexadecimal: 0x448BDB45C
• Base-36: 8GB1GF0

Squares and roots of 18400261212

• 18400261212 squared (18400261212²) is 338569612669831708944
• 18400261212 cubed (18400261212³) is 6229769311570568156649956680128
• The square root of 18400261212 is 135647.5624992945
• The cube root of 18400261212 is 2640.0247363385

Scales and comparisons

• 18,400,261,212 seconds is equal to 585 years, 3 weeks, 4 days, 23 hours, 40 minutes, 12 seconds.
• To count from 1 to 18,400,261,212 would take you about one thousand, one hundred seventy 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 18400261212 cubic inches would be around 220 feet tall.

Recreational maths with 18400261212

• 18400261212 backwards is 21216200481
• 18400261212 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18400261212's digits is 27
• More coming soon!