18386375680

Names of 18386375680

• Cardinal: 18386375680 can be written as Eighteen billion, three hundred eighty-six million, three hundred seventy-five thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.838637568 × 10¹⁰

Factors of 18386375680

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 49273

Divisors of 18386375680

• Number of divisors d(n): 88
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 73 80 128 146 160 256 292 320 365 512 584 640 730 1024 1168 1280 1460 2336 2560 2920 4672 5120 5840 9344 11680 18688 23360 37376 46720 49193 74752 93440 98386 186880 196772 245965 373760 393544 491930 787088 983860 1574176 1967720 3148352 3591089 3935440 6296704 7182178 7870880 12593408 14364356 15741760 17955445 25186816 28728712 31483520 35910890 50373632 57457424 62967040 71821780 114914848 125934080 143643560 229829696 251868160 287287120 459659392 574574240 919318784 1149148480 1838637568 2298296960 3677275136 4596593920 9193187840 18386375680
• Sum of all divisors σ(n): 44710852392
• Sum of proper divisors (its aliquot sum) s(n): 26324476712
• 18386375680 is an abundant number, because the sum of its proper divisors (26324476712) is greater than itself. Its abundance is 7938101032

Bases of 18386375680

• Binary: 10001000111111010011101010000000000₂
• Hexadecimal: 0x447E9D400
• Base-36: 8G2RU9S

Squares and roots of 18386375680

• 18386375680 squared (18386375680²) is 338058810646095462400
• 18386375680 cubed (18386375680³) is 6215676294473094696829714432000
• The square root of 18386375680 is 135596.3704528995
• The cube root of 18386375680 is 2639.3604817643

Scales and comparisons

• 18,386,375,680 seconds is equal to 584 years, 32 weeks, 5 days, 6 hours, 34 minutes, 40 seconds.
• To count from 1 to 18,386,375,680 would take you about one thousand, one hundred sixty-nine 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 18386375680 cubic inches would be around 219.9 feet tall.

Recreational maths with 18386375680

• 18386375680 backwards is 08657368381
• The number of decimal digits it has is: 11
• The sum of 18386375680's digits is 55
• More coming soon!