18528179472

Names of 18528179472

• Cardinal: 18528179472 can be written as Eighteen billion, five hundred twenty-eight million, one hundred seventy-nine thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.8528179472 × 10¹⁰

Factors of 18528179472

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 243

Divisors of 18528179472

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 33 36 44 48 66 72 88 99 132 144 176 198 227 264 396 454 528 681 792 908 1362 1584 1816 2043 2497 2724 3632 4086 4994 5448 7491 8172 9988 10896 14982 16344 19976 22473 29964 32688 39952 44946 51529 59928 89892 103058 119856 154587 179784 206116 309174 359568 412232 463761 566819 618348 824464 927522 1133638 1236696 1700457 1855044 2267276 2473392 3400914 3710088 4534552 5101371 6801828 7420176 9069104 10202742 11697083 13603656 20405484 23394166 27207312 35091249 40810968 46788332 70182498 81621936 93576664 105273747 128667913 140364996 187153328 210547494 257335826 280729992 386003739 421094988 514671652 561459984 772007478 842189976 1029343304 1158011217 1544014956 1684379952 2058686608 2316022434 3088029912 4632044868 6176059824 9264089736 18528179472
• Sum of all divisors σ(n): 56817390240
• Sum of proper divisors (its aliquot sum) s(n): 38289210768
• 18528179472 is an abundant number, because the sum of its proper divisors (38289210768) is greater than itself. Its abundance is 19761031296

Bases of 18528179472

• Binary: 10001010000010111011001010100010000₂
• Hexadecimal: 0x4505D9510
• Base-36: 8IF76S0

Squares and roots of 18528179472

• 18528179472 squared (18528179472²) is 343293434546642198784
• 18528179472 cubed (18528179472³) is 6360602366839471614038652162048
• The square root of 18528179472 is 136118.2554692795
• The cube root of 18528179472 is 2646.1284141961

Scales and comparisons

• 18,528,179,472 seconds is equal to 589 years, 7 weeks, 1 day, 12 hours, 31 minutes, 12 seconds.
• To count from 1 to 18,528,179,472 would take you about one thousand, one hundred seventy-eight 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 18528179472 cubic inches would be around 220.5 feet tall.

Recreational maths with 18528179472

• 18528179472 backwards is 27497182581
• The number of decimal digits it has is: 11
• The sum of 18528179472's digits is 54
• More coming soon!