18189634914

Names of 18189634914

• Cardinal: 18189634914 can be written as Eighteen billion, one hundred eighty-nine million, six hundred thirty-four thousand, nine hundred fourteen.

Scientific notation

• Scientific notation: 1.8189634914 × 10¹⁰

Factors of 18189634914

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 537268

Divisors of 18189634914

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 6 9 11 18 19 22 27 33 38 54 57 66 81 99 114 162 171 198 209 297 342 418 513 594 627 891 1026 1254 1539 1782 1881 3078 3762 5643 11286 16929 33858 537233 1074466 1611699 3223398 4835097 5909563 9670194 10207427 11819126 14505291 17728689 20414854 29010582 30622281 35457378 43515873 53186067 61244562 87031746 91866843 106372134 112281697 159558201 183733686 224563394 275600529 319116402 336845091 478674603 551201058 673690182 826801587 957349206 1010535273 1653603174 2021070546 3031605819 6063211638 9094817457 18189634914
• Sum of all divisors σ(n): 46803826080
• Sum of proper divisors (its aliquot sum) s(n): 28614191166
• 18189634914 is an abundant number, because the sum of its proper divisors (28614191166) is greater than itself. Its abundance is 10424556252

Bases of 18189634914

• Binary: 10000111100001011111100110101100010₂
• Hexadecimal: 0x43C2FCD62
• Base-36: 8CTN04I

Squares and roots of 18189634914

• 18189634914 squared (18189634914²) is 330862818304607787396
• 18189634914 cubed (18189634914³) is 6018273871577932096694570743944
• The square root of 18189634914 is 134868.9545966751
• The cube root of 18189634914 is 2629.9126706005

Scales and comparisons

• 18,189,634,914 seconds is equal to 578 years, 19 weeks, 3 days, 4 hours, 21 minutes, 54 seconds.
• To count from 1 to 18,189,634,914 would take you about one thousand, one hundred fifty-six 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 18189634914 cubic inches would be around 219.2 feet tall.

Recreational maths with 18189634914

• 18189634914 backwards is 41943698181
• 18189634914 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18189634914's digits is 54
• More coming soon!