18109488139895970

Names of 18109488139895970

• Cardinal: 18109488139895970 can be written as Eighteen quadrillion, one hundred nine trillion, four hundred eighty-eight billion, one hundred thirty-nine million, eight hundred ninety-five thousand, nine hundred seventy.

Scientific notation

• Scientific notation: 1.810948813989597 × 10¹⁶

Factors of 18109488139895970

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 564951370

Divisors of 18109488139895970

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 118747 237494 356241 593735 712482 1068723 1187470 1781205 2137446 3206169 3562410 5343615 6412338 10687230 16030845 32061690 564832613 1129665226 1694497839 2824163065 3388995678 5083493517 5648326130 8472489195 10166987034 15250480551 16944978390 25417467585 30500961102 50834935170 76252402755 152504805510 67072178295911 134144356591822 201216534887733 335360891479555 402433069775466 603649604663199 670721782959110 1006082674438665 1207299209326398 1810948813989597 2012165348877330 3018248023315995 3621897627979194 6036496046631990 9054744069947985 18109488139895970
• Sum of all divisors σ(n): 48292375138035840
• Sum of proper divisors (its aliquot sum) s(n): 30182886998139870
• 18109488139895970 is an abundant number, because the sum of its proper divisors (30182886998139870) is greater than itself. Its abundance is 12073398858243900

Bases of 18109488139895970

• Binary: 1000000010101100111101111000111101001001000010010100010₂
• Hexadecimal: 0x40567BC7A484A2
• Base-36: 4YBA001D6SI

Squares and roots of 18109488139895970

• 18109488139895970 squared (18109488139895970²) is 327953560689032799497602422240900
• 18109488139895970 cubed (18109488139895970³) is 5939071117734692701654348941875115192940279173000
• The square root of 18109488139895970 is 134571498.2449700231
• The cube root of 18109488139895970 is 262604.4362185551

Scales and comparisons

• 18,109,488,139,895,970 seconds is equal to 575,825,706 years, 27 weeks, 1 day, 17 hours, 19 minutes, 30 seconds.
• To count from 1 to 18,109,488,139,895,970 would take you about one billion, seven hundred twenty-seven million, four hundred seventy-seven thousand, one hundred nineteen 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 18109488139895970 cubic inches would be around 21883.7 feet tall.

Recreational maths with 18109488139895970

• 18109488139895970 backwards is 07959893188490181
• 18109488139895970 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18109488139895970's digits is 90
• More coming soon!