18268749221888

Names of 18268749221888

• Cardinal: 18268749221888 can be written as Eighteen trillion, two hundred sixty-eight billion, seven hundred forty-nine million, two hundred twenty-one thousand, eight hundred eighty-eight.

Scientific notation

• Scientific notation: 1.8268749221888 × 10¹³

Factors of 18268749221888

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 7003

Divisors of 18268749221888

• Number of divisors d(n): 234
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 64 73 88 121 128 146 176 242 256 292 352 484 512 584 704 803 968 1024 1168 1408 1606 1936 2048 2336 2816 3212 3872 4096 4672 5329 5632 6424 6917 7744 8833 9344 10658 11264 12848 13834 15488 17666 18688 21316 22528 25696 27668 30976 35332 37376 42632 45056 51392 55336 58619 61952 70664 74752 76087 85264 102784 110672 117238 123904 141328 149504 152174 170528 205568 221344 234476 247808 282656 299008 304348 341056 411136 442688 468952 495616 504941 565312 608696 644809 682112 822272 836957 885376 937904 1009882 1130624 1217392 1289618 1364224 1644544 1673914 1770752 1875808 2019764 2261248 2434784 2579236 2728448 3289088 3347828 3541504 3751616 4039528 4522496 4869568 5158472 5456896 5554351 6695656 7083008 7503232 8079056 9044992 9739136 10316944 10913792 11108702 13391312 14166016 15006464 16158112 18089984 19478272 20633888 21827584 22217404 26782624 28332032 30012928 32316224 36179968 36860693 38956544 41267776 44434808 53565248 60025856 61097861 64632448 73721386 77913088 82535552 88869616 107130496 120051712 122195722 129264896 147442772 155826176 165071104 177739232 214260992 240103424 244391444 258529792 294885544 311652352 330142208 355478464 405467623 428521984 488782888 517059584 589771088 660284416 710956928 810935246 857043968 977565776 1034119168 1179542176 1320568832 1421913856 1621870492 1714087936 1955131552 2068238336 2359084352 2641137664 2843827712 3243740984 3428175872 3910263104 4460143853 4718168704 5687655424 6487481968 7820526208 8920287706 9436337408 11375310848 12974963936 15641052416 17840575412 18872674816 22750621696 25949927872 31282104832 35681150824 37745349632 51899855744 62564209664 71362301648 75490699264 103799711488 125128419328 142724603296 150981398528 207599422976 250256838656 285449206592 415198845952 570898413184 830397691904 1141796826368 1660795383808 2283593652736 4567187305472 9134374610944 18268749221888
• Sum of all divisors σ(n): 40719655221462
• Sum of proper divisors (its aliquot sum) s(n): 22450905999574
• 18268749221888 is an abundant number, because the sum of its proper divisors (22450905999574) is greater than itself. Its abundance is 4182156777686

Bases of 18268749221888

• Binary: 100001001110110000110010011101101000000000000₂
• Hexadecimal: 0x109D864ED000
• Base-36: 6H4JPLNNK

Squares and roots of 18268749221888

• 18268749221888 squared (18268749221888²) is 333747198132233405458284544
• 18268749221888 cubed (18268749221888³) is 6097143866185539192897636175243296899072
• The square root of 18268749221888 is 4274195.7397723375
• The cube root of 18268749221888 is 26337.2001832983

Scales and comparisons

• 18,268,749,221,888 seconds is equal to 580,889 years, 37 weeks, 1 day, 17 hours, 38 minutes, 8 seconds.
• To count from 1 to 18,268,749,221,888 would take you about one million, four hundred fifty-two thousand, two hundred twenty-four 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 18268749221888 cubic inches would be around 2194.8 feet tall.

Recreational maths with 18268749221888

• 18268749221888 backwards is 88812294786281
• The number of decimal digits it has is: 14
• The sum of 18268749221888's digits is 74
• More coming soon!