18268078892

Names of 18268078892

• Cardinal: 18268078892 can be written as Eighteen billion, two hundred sixty-eight million, seventy-eight thousand, eight hundred ninety-two.

Scientific notation

• Scientific notation: 1.8268078892 × 10¹⁰

Factors of 18268078892

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 6629

Divisors of 18268078892

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 14 17 28 34 43 68 86 119 139 172 238 278 301 476 556 602 731 973 1204 1462 1946 2363 2924 3892 4726 5117 5977 6421 9452 10234 11954 12842 16541 20468 23908 25684 33082 41839 44947 66164 83678 89894 101609 109157 167356 179788 203218 218314 276103 406436 436628 552206 711263 764099 892519 1104412 1422526 1528198 1785038 1932721 2845052 3056396 3570076 3865442 4693751 6247633 7730884 9387502 12495266 15172823 18775004 24990532 30345646 32856257 38378317 60691292 65712514 76756634 106209761 131425028 153513268 212419522 268648219 424839044 537296438 652431389 1074592876 1304862778 2609725556 4567019723 9134039446 18268078892
• Sum of all divisors σ(n): 39875996160
• Sum of proper divisors (its aliquot sum) s(n): 21607917268
• 18268078892 is an abundant number, because the sum of its proper divisors (21607917268) is greater than itself. Its abundance is 3339838376

Bases of 18268078892

• Binary: 10001000000110111001100001100101100₂
• Hexadecimal: 0x440DCC32C
• Base-36: 8E4CBVW

Squares and roots of 18268078892

• 18268078892 squared (18268078892²) is 333722706404335947664
• 18268078892 cubed (18268078892³) is 6096472728646162742797535108288
• The square root of 18268078892 is 135159.4572791709
• The cube root of 18268078892 is 2633.6878051623

Scales and comparisons

• 18,268,078,892 seconds is equal to 580 years, 45 weeks, 1 day, 2 hours, 21 minutes, 32 seconds.
• To count from 1 to 18,268,078,892 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 18268078892 cubic inches would be around 219.5 feet tall.

Recreational maths with 18268078892

• 18268078892 backwards is 29887086281
• The number of decimal digits it has is: 11
• The sum of 18268078892's digits is 59
• More coming soon!