18123868690944

Names of 18123868690944

• Cardinal: 18123868690944 can be written as Eighteen trillion, one hundred twenty-three billion, eight hundred sixty-eight million, six hundred ninety thousand, nine hundred forty-four.

Scientific notation

• Scientific notation: 1.8123868690944 × 10¹³

Factors of 18123868690944

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 8194

Divisors of 18123868690944

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1187 1536 1979 2374 3561 3958 4748 5023 5937 7122 7916 9496 10046 11874 14244 15069 15832 18992 20092 23748 28488 30138 31664 37984 40184 47496 56976 60276 63328 75968 80368 94992 113952 120552 126656 151936 160736 189984 227904 241104 253312 303872 321472 379968 455808 482208 506624 607744 642944 759936 911616 964416 1013248 1285888 1519872 1823232 1928832 2349073 2571776 3039744 3857664 4698146 5962301 7047219 7715328 9396292 9940517 11924602 14094438 17886903 18792584 19881034 23849204 28188876 29821551 35773806 37585168 39762068 47698408 56377752 59643102 71547612 75170336 79524136 95396816 112755504 119286204 143095224 150340672 159048272 190793632 225511008 238572408 286190448 300681344 318096544 381587264 451022016 477144816 572380896 601362688 636193088 763174528 902044032 954289632 1144761792 1202725376 1272386176 1526349056 1804088064 1908579264 2289523584 2544772352 3052698112 3608176128 3817158528 4579047168 5089544704 7634317056 9158094336 11799393679 15268634112 23598787358 35398181037 47197574716 70796362074 94395149432 141592724148 188790298864 283185448296 377580597728 566370896592 755161195456 1132741793184 1510322390912 2265483586368 3020644781824 4530967172736 6041289563648 9061934345472 18123868690944
• Sum of all divisors σ(n): 48357839185920
• Sum of proper divisors (its aliquot sum) s(n): 30233970494976
• 18123868690944 is an abundant number, because the sum of its proper divisors (30233970494976) is greater than itself. Its abundance is 12110101804032

Bases of 18123868690944

• Binary: 100000111101111001010110000010101101000000000₂
• Hexadecimal: 0x107BCAC15A00
• Base-36: 6F9ZNH2IO

Squares and roots of 18123868690944

• 18123868690944 squared (18123868690944²) is 328474616326580180187611136
• 18123868690944 cubed (18123868690944³) is 5953230814611149380289095483742836752384
• The square root of 18123868690944 is 4257213.7238978265
• The cube root of 18123868690944 is 26267.3928286533

Scales and comparisons

• 18,123,868,690,944 seconds is equal to 576,282 years, 50 weeks, 17 hours, 42 minutes, 24 seconds.
• To count from 1 to 18,123,868,690,944 would take you about one million, four hundred forty thousand, seven hundred 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 18123868690944 cubic inches would be around 2188.9 feet tall.

Recreational maths with 18123868690944

• 18123868690944 backwards is 44909686832181
• The number of decimal digits it has is: 14
• The sum of 18123868690944's digits is 69
• More coming soon!