18123621376

Names of 18123621376

• Cardinal: 18123621376 can be written as Eighteen billion, one hundred twenty-three million, six hundred twenty-one thousand, three hundred seventy-six.

Scientific notation

• Scientific notation: 1.8123621376 × 10¹⁰

Factors of 18123621376

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 610

Divisors of 18123621376

• Number of divisors d(n): 99
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 256 392 448 512 601 784 896 1024 1202 1568 1792 2404 3136 3584 4207 4808 6272 7168 8414 9616 12544 16828 19232 25088 29449 33656 38464 50176 58898 67312 76928 117796 134624 153856 235592 269248 307712 361201 471184 538496 615424 722402 942368 1076992 1444804 1884736 2153984 2528407 2889608 3769472 4307968 5056814 5779216 7538944 10113628 11558432 15077888 17698849 20227256 23116864 30155776 35397698 40454512 46233728 70795396 80909024 92467456 141590792 161818048 184934912 283181584 323636096 369869824 566363168 647272192 1132726336 1294544384 2265452672 2589088768 4530905344 9061810688 18123621376
• Sum of all divisors σ(n): 42214812237
• Sum of proper divisors (its aliquot sum) s(n): 24091190861
• 18123621376 is an abundant number, because the sum of its proper divisors (24091190861) is greater than itself. Its abundance is 5967569485

Bases of 18123621376

• Binary: 10000111000010000001000010000000000₂
• Hexadecimal: 0x438408400
• Base-36: 8BQC3R4

Squares and roots of 18123621376

• 18123621376 squared (18123621376²) is 328465651780604133376
• 18123621376 cubed (18123621376³) is 5952987107892729533847228645376
• 18123621376 is a perfect square number. Its square root is 134624
• The cube root of 18123621376 is 2626.7273348121

Scales and comparisons

• 18,123,621,376 seconds is equal to 576 years, 14 weeks, 2 days, 3 hours, 16 minutes, 16 seconds.
• To count from 1 to 18,123,621,376 would take you about one thousand, one hundred fifty-two 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 18123621376 cubic inches would be around 218.9 feet tall.

Recreational maths with 18123621376

• 18123621376 backwards is 67312632181
• The number of decimal digits it has is: 11
• The sum of 18123621376's digits is 40
• More coming soon!