18290519390

Names of 18290519390

• Cardinal: 18290519390 can be written as Eighteen billion, two hundred ninety million, five hundred nineteen thousand, three hundred ninety.

Scientific notation

• Scientific notation: 1.829051939 × 10¹⁰

Factors of 18290519390

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 7185

Divisors of 18290519390

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 10 11 13 22 26 55 65 110 130 143 286 715 1430 3511 3643 7022 7286 17555 18215 35110 36430 38621 40073 45643 47359 77242 80146 91286 94718 193105 200365 228215 236795 386210 400730 456430 473590 502073 520949 1004146 1041898 2510365 2604745 5020730 5209490 12790573 25581146 63952865 127905730 140696303 166277449 281392606 332554898 703481515 831387245 1406963030 1662774490 1829051939 3658103878 9145259695 18290519390
• Sum of all divisors σ(n): 38700329472
• Sum of proper divisors (its aliquot sum) s(n): 20409810082
• 18290519390 is an abundant number, because the sum of its proper divisors (20409810082) is greater than itself. Its abundance is 2119290692

Bases of 18290519390

• Binary: 10001000010001100110010110101011110₂
• Hexadecimal: 0x442332D5E
• Base-36: 8EHPB32

Squares and roots of 18290519390

• 18290519390 squared (18290519390²) is 334543099555965972100
• 18290519390 cubed (18290519390³) is 6118967049219096002875249019000
• The square root of 18290519390 is 135242.4467022095
• The cube root of 18290519390 is 2634.7657707725

Scales and comparisons

• 18,290,519,390 seconds is equal to 581 years, 30 weeks, 1 day, 19 hours, 49 minutes, 50 seconds.
• To count from 1 to 18,290,519,390 would take you about one thousand, one hundred sixty-three 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 18290519390 cubic inches would be around 219.6 feet tall.

Recreational maths with 18290519390

• 18290519390 backwards is 09391509281
• The number of decimal digits it has is: 11
• The sum of 18290519390's digits is 47
• More coming soon!