18261468008

Names of 18261468008

• Cardinal: 18261468008 can be written as Eighteen billion, two hundred sixty-one million, four hundred sixty-eight thousand and eight.

Scientific notation

• Scientific notation: 1.8261468008 × 10¹⁰

Factors of 18261468008

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1303

Divisors of 18261468008

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 7 8 14 28 56 61 67 73 122 134 146 244 268 292 427 469 488 511 536 584 854 938 1022 1093 1708 1876 2044 2186 3416 3752 4087 4088 4372 4453 4891 7651 8174 8744 8906 9782 15302 16348 17812 19564 28609 30604 31171 32696 34237 35624 39128 57218 61208 62342 66673 68474 73231 79789 114436 124684 133346 136948 146462 159578 228872 249368 266692 273896 292924 298351 319156 466711 512617 533384 558523 585848 596702 638312 933422 1025234 1117046 1193404 1866844 2050468 2088457 2234092 2386808 3733688 4100936 4176914 4467091 4468184 4867129 5345863 8353828 8934182 9734258 10691726 16707656 17868364 19468516 21383452 31269637 34069903 35736728 37421041 38937032 42766904 62539274 68139806 74842082 125078548 136279612 149684164 250157096 272559224 299368328 326097643 652195286 1304390572 2282683501 2608781144 4565367002 9130734004 18261468008
• Sum of all divisors σ(n): 40957259520
• Sum of proper divisors (its aliquot sum) s(n): 22695791512
• 18261468008 is an abundant number, because the sum of its proper divisors (22695791512) is greater than itself. Its abundance is 4434323504

Bases of 18261468008

• Binary: 10001000000011101111110001101101000₂
• Hexadecimal: 0x44077E368
• Base-36: 8E0EMW8

Squares and roots of 18261468008

• 18261468008 squared (18261468008²) is 333481213807207488064
• 18261468008 cubed (18261468008³) is 6089856517209327423098777856512
• The square root of 18261468008 is 135134.9991970991
• The cube root of 18261468008 is 2633.3700723319

Scales and comparisons

• 18,261,468,008 seconds is equal to 580 years, 34 weeks, 1 day, 14 hours, 8 seconds.
• To count from 1 to 18,261,468,008 would take you about one thousand, one hundred sixty-one 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 18261468008 cubic inches would be around 219.4 feet tall.

Recreational maths with 18261468008

• 18261468008 backwards is 80086416281
• The number of decimal digits it has is: 11
• The sum of 18261468008's digits is 44
• More coming soon!