18320857648

Names of 18320857648

• Cardinal: 18320857648 can be written as Eighteen billion, three hundred twenty million, eight hundred fifty-seven thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 1.8320857648 × 10¹⁰

Factors of 18320857648

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 470

Divisors of 18320857648

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 8 16 29 31 58 62 116 124 181 227 232 248 362 454 464 496 724 899 908 961 1448 1798 1816 1922 2896 3596 3632 3844 5249 5611 6583 7037 7192 7688 10498 11222 13166 14074 14384 15376 20996 22444 26332 27869 28148 41087 41992 44888 52664 55738 56296 82174 83984 89776 105328 111476 112592 162719 164348 173941 204073 218147 222952 325438 328696 347882 408146 436294 445904 650876 657392 695764 816292 872588 1191523 1273697 1301752 1391528 1632584 1745176 2383046 2547394 2603504 2783056 3265168 3490352 4766092 5044289 5094788 6326263 9532184 10088578 10189576 12652526 19064368 20177156 20379152 25305052 36937213 39484607 40354312 50610104 73874426 78969214 80708624 101220208 147748852 157938428 295497704 315876856 590995408 631753712 1145053603 2290107206 4580214412 9160428824 18320857648
• Sum of all divisors σ(n): 38321141040
• Sum of proper divisors (its aliquot sum) s(n): 20000283392
• 18320857648 is an abundant number, because the sum of its proper divisors (20000283392) is greater than itself. Its abundance is 1679425744

Bases of 18320857648

• Binary: 10001000100000000100001101000110000₂
• Hexadecimal: 0x444021A30
• Base-36: 8EZRK8G

Squares and roots of 18320857648

• 18320857648 squared (18320857648²) is 335653824958280091904
• 18320857648 cubed (18320857648³) is 6149465946067359102685541281792
• The square root of 18320857648 is 135354.5627158539
• The cube root of 18320857648 is 2636.2217172005

Scales and comparisons

• 18,320,857,648 seconds is equal to 582 years, 28 weeks, 2 days, 23 hours, 7 minutes, 28 seconds.
• To count from 1 to 18,320,857,648 would take you about one thousand, one hundred sixty-five 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 18320857648 cubic inches would be around 219.7 feet tall.

Recreational maths with 18320857648

• 18320857648 backwards is 84675802381
• The number of decimal digits it has is: 11
• The sum of 18320857648's digits is 52
• More coming soon!