18207420416

Names of 18207420416

• Cardinal: 18207420416 can be written as Eighteen billion, two hundred seven million, four hundred twenty thousand, four hundred sixteen.

Scientific notation

• Scientific notation: 1.8207420416 × 10¹⁰

Factors of 18207420416

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 524

Divisors of 18207420416

• Number of divisors d(n): 78
• Complete list of divisors:
  1 2 4 8 16 32 64 103 128 206 256 412 419 512 824 838 1024 1648 1676 2048 3296 3352 4096 6592 6704 10609 13184 13408 21218 26368 26816 42436 43157 52736 53632 84872 86314 105472 107264 169744 172628 210944 214528 339488 345256 421888 429056 678976 690512 858112 1357952 1381024 1716224 2715904 2762048 4445171 5431808 5524096 8890342 10863616 11048192 17780684 21727232 22096384 35561368 43454464 44192768 71122736 88385536 142245472 176771072 284490944 568981888 1137963776 2275927552 4551855104 9103710208 18207420416
• Sum of all divisors σ(n): 36855076860
• Sum of proper divisors (its aliquot sum) s(n): 18647656444
• 18207420416 is an abundant number, because the sum of its proper divisors (18647656444) is greater than itself. Its abundance is 440236028

Bases of 18207420416

• Binary: 10000111101001111110011000000000000₂
• Hexadecimal: 0x43D3F3000
• Base-36: 8D487I8

Squares and roots of 18207420416

• 18207420416 squared (18207420416²) is 331510158204973613056
• 18207420416 cubed (18207420416³) is 6035944822612626475097098551296
• The square root of 18207420416 is 134934.8747211037
• The cube root of 18207420416 is 2630.7695520153

Scales and comparisons

• 18,207,420,416 seconds is equal to 578 years, 48 weeks, 6 days, 46 minutes, 56 seconds.
• To count from 1 to 18,207,420,416 would take you about one thousand, one hundred fifty-seven 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 18207420416 cubic inches would be around 219.2 feet tall.

Recreational maths with 18207420416

• 18207420416 backwards is 61402470281
• The number of decimal digits it has is: 11
• The sum of 18207420416's digits is 35
• More coming soon!