18406413312

Names of 18406413312

• Cardinal: 18406413312 can be written as Eighteen billion, four hundred six million, four hundred thirteen thousand, three hundred twelve.

Scientific notation

• Scientific notation: 1.8406413312 × 10¹⁰

Factors of 18406413312

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 122291

Divisors of 18406413312

• Number of divisors d(n): 132
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 64 84 96 98 112 128 147 168 192 196 224 256 294 336 384 392 448 512 588 672 768 784 896 1024 1176 1344 1536 1568 1792 2352 2688 3072 3136 3584 4704 5376 6272 7168 9408 10752 12544 18816 21504 25088 37632 50176 75264 122279 150528 244558 366837 489116 733674 855953 978232 1467348 1711906 1956464 2567859 2934696 3423812 3912928 5135718 5869392 5991671 6847624 7825856 10271436 11738784 11983342 13695248 15651712 17975013 20542872 23477568 23966684 27390496 31303424 35950026 41085744 46955136 47933368 54780992 62606848 71900052 82171488 93910272 95866736 109561984 125213696 143800104 164342976 187820544 191733472 219123968 287600208 328685952 375641088 383466944 438247936 575200416 657371904 766933888 876495872 1150400832 1314743808 1533867776 2300801664 2629487616 3067735552 4601603328 6135471104 9203206656 18406413312
• Sum of all divisors σ(n): 57070032480
• Sum of proper divisors (its aliquot sum) s(n): 38663619168
• 18406413312 is an abundant number, because the sum of its proper divisors (38663619168) is greater than itself. Its abundance is 20257205856

Bases of 18406413312

• Binary: 10001001001000110111001010000000000₂
• Hexadecimal: 0x4491B9400
• Base-36: 8GEPBEO

Squares and roots of 18406413312

• 18406413312 squared (18406413312²) is 338796051012170809344
• 18406413312 cubed (18406413312³) is 6236020143403451859127215587328
• The square root of 18406413312 is 135670.2373846231
• The cube root of 18406413312 is 2640.3189330023

Scales and comparisons

• 18,406,413,312 seconds is equal to 585 years, 13 weeks, 6 days, 4 hours, 35 minutes, 12 seconds.
• To count from 1 to 18,406,413,312 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 18406413312 cubic inches would be around 220 feet tall.

Recreational maths with 18406413312

• 18406413312 backwards is 21331460481
• The number of decimal digits it has is: 11
• The sum of 18406413312's digits is 33
• More coming soon!