18689189364728100

Names of 18689189364728100

• Cardinal: 18689189364728100 can be written as Eighteen quadrillion, six hundred eighty-nine trillion, one hundred eighty-nine billion, three hundred sixty-four million, seven hundred twenty-eight thousand, one hundred.

Scientific notation

• Scientific notation: 1.86891893647281 × 10¹⁶

Factors of 18689189364728100

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4556957

Divisors of 18689189364728100

• Number of divisors d(n): 81
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 150 180 225 300 450 900 4556947 9113894 13670841 18227788 22784735 27341682 41012523 45569470 54683364 68354205 82025046 91138940 113923675 136708410 164050092 205062615 227847350 273416820 341771025 410125230 455694700 683542050 820250460 1025313075 1367084100 2050626150 4101252300 20765765960809 41531531921618 62297297882427 83063063843236 103828829804045 124594595764854 186891893647281 207657659608090 249189191529708 311486489412135 373783787294562 415315319216180 519144149020225 622972978824270 747567574589124 934459468236405 1038288298040450 1245945957648540 1557432447060675 1868918936472810 2076576596080900 3114864894121350 3737837872945620 4672297341182025 6229729788242700 9344594682364050 18689189364728100
• Sum of all divisors σ(n): 58580238630592497
• Sum of proper divisors (its aliquot sum) s(n): 39891049265864397
• 18689189364728100 is an abundant number, because the sum of its proper divisors (39891049265864397) is greater than itself. Its abundance is 21201859901136297

Bases of 18689189364728100

• Binary: 1000010011001011011011111111101001110011000000100100100₂
• Hexadecimal: 0x4265B7FD398124
• Base-36: 540RJ2F6TD0

Squares and roots of 18689189364728100

• 18689189364728100 squared (18689189364728100²) is 349285799110665922048386929610000
• 18689189364728100 cubed (18689189364728100³) is 6527868441989613199636441956067259191489041000000
• 18689189364728100 is a perfect square number. Its square root is 136708410
• The cube root of 18689189364728100 is 265377.1270552401

Scales and comparisons

• 18,689,189,364,728,100 seconds is equal to 594,258,412 years, 17 weeks, 4 days, 18 hours, 15 minutes.
• To count from 1 to 18,689,189,364,728,100 would take you about one billion, seven hundred eighty-two million, seven hundred seventy-five thousand, two hundred thirty-seven 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 18689189364728100 cubic inches would be around 22114.8 feet tall.

Recreational maths with 18689189364728100

• 18689189364728100 backwards is 00182746398198681
• The number of decimal digits it has is: 17
• The sum of 18689189364728100's digits is 81
• More coming soon!