18628137792

Names of 18628137792

• Cardinal: 18628137792 can be written as Eighteen billion, six hundred twenty-eight million, one hundred thirty-seven thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 1.8628137792 × 10¹⁰

Factors of 18628137792

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 267293

Divisors of 18628137792

• Number of divisors d(n): 126
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 64 66 72 88 96 99 121 132 144 176 192 198 242 264 288 352 363 396 484 528 576 704 726 792 968 1056 1089 1452 1584 1936 2112 2178 2904 3168 3872 4356 5808 6336 7744 8712 11616 17424 23232 34848 69696 267277 534554 801831 1069108 1603662 2138216 2405493 2940047 3207324 4276432 4810986 5880094 6414648 8552864 8820141 9621972 11760188 12829296 17105728 17640282 19243944 23520376 25658592 26460423 32340517 35280564 38487888 47040752 51317184 52920846 64681034 70561128 76975776 94081504 97021551 105841692 129362068 141122256 153951552 188163008 194043102 211683384 258724136 282244512 291064653 388086204 423366768 517448272 564489024 582129306 776172408 846733536 1034896544 1164258612 1552344816 1693467072 2069793088 2328517224 3104689632 4657034448 6209379264 9314068896 18628137792
• Sum of all divisors σ(n): 58689705074
• Sum of proper divisors (its aliquot sum) s(n): 40061567282
• 18628137792 is an abundant number, because the sum of its proper divisors (40061567282) is greater than itself. Its abundance is 21433429490

Bases of 18628137792

• Binary: 10001010110010100101101001101000000₂
• Hexadecimal: 0x45652D340
• Base-36: 8K2PN40

Squares and roots of 18628137792

• 18628137792 squared (18628137792²) is 347007517597738635264
• 18628137792 cubed (18628137792³) is 6464103852670540125299822297088
• The square root of 18628137792 is 136484.9361358241
• The cube root of 18628137792 is 2650.8784457847

Scales and comparisons

• 18,628,137,792 seconds is equal to 592 years, 16 weeks, 3 days, 10 hours, 43 minutes, 12 seconds.
• To count from 1 to 18,628,137,792 would take you about one thousand, one hundred eighty-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 18628137792 cubic inches would be around 220.9 feet tall.

Recreational maths with 18628137792

• 18628137792 backwards is 29773182681
• The number of decimal digits it has is: 11
• The sum of 18628137792's digits is 54
• More coming soon!