18240145434

Names of 18240145434

• Cardinal: 18240145434 can be written as Eighteen billion, two hundred forty million, one hundred forty-five thousand, four hundred thirty-four.

Scientific notation

• Scientific notation: 1.8240145434 × 10¹⁰

Factors of 18240145434

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 6908

Divisors of 18240145434

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 49 54 63 98 126 147 189 294 378 441 882 1213 1323 2426 2646 3639 5683 7278 8491 10917 11366 16982 17049 21834 25473 32751 34098 39781 50946 51147 59437 65502 76419 79562 102294 118874 119343 152838 153441 178311 229257 238686 278467 306882 356622 358029 458514 534933 556934 716058 835401 1069866 1074087 1604799 1670802 2148174 2506203 3209598 5012406 6893479 7518609 13786958 15037218 20680437 41360874 48254353 62041311 96508706 124082622 144763059 186123933 289526118 337780471 372247866 434289177 675560942 868578354 1013341413 1302867531 2026682826 2605735062 3040024239 6080048478 9120072717 18240145434
• Sum of all divisors σ(n): 47198571840
• Sum of proper divisors (its aliquot sum) s(n): 28958426406
• 18240145434 is an abundant number, because the sum of its proper divisors (28958426406) is greater than itself. Its abundance is 10718280972

Bases of 18240145434

• Binary: 10000111111001100101000100000011010₂
• Hexadecimal: 0x43F32881A
• Base-36: 8DNPMAI

Squares and roots of 18240145434

• 18240145434 squared (18240145434²) is 332702905453471048356
• 18240145434 cubed (18240145434³) is 6068549381785663642121886606504
• The square root of 18240145434 is 135056.0825509167
• The cube root of 18240145434 is 2632.3447422659

Scales and comparisons

• 18,240,145,434 seconds is equal to 579 years, 50 weeks, 6 days, 19 hours, 3 minutes, 54 seconds.
• To count from 1 to 18,240,145,434 would take you about one thousand, one hundred fifty-nine 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 18240145434 cubic inches would be around 219.4 feet tall.

Recreational maths with 18240145434

• 18240145434 backwards is 43454104281
• The number of decimal digits it has is: 11
• The sum of 18240145434's digits is 36
• More coming soon!