18078398024

Names of 18078398024

• Cardinal: 18078398024 can be written as Eighteen billion, seventy-eight million, three hundred ninety-eight thousand and twenty-four.

Scientific notation

• Scientific notation: 1.8078398024 × 10¹⁰

Factors of 18078398024

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 269

Divisors of 18078398024

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 37 73 74 146 148 157 292 296 314 584 628 1256 2701 5329 5402 5809 10658 10804 11461 11618 21316 21608 22922 23236 42632 45844 46472 91688 197173 389017 394346 424057 778034 788692 836653 848114 1556068 1577384 1673306 1696228 3112136 3346612 3392456 6693224 14393629 28787258 30956161 57574516 61075669 61912322 115149032 122151338 123824644 244302676 247649288 488605352 2259799753 4519599506 9039199012 18078398024
• Sum of all divisors σ(n): 35521465200
• Sum of proper divisors (its aliquot sum) s(n): 17443067176
• 18078398024 is a deficient number, because the sum of its proper divisors (17443067176) is less than itself. Its deficiency is 635330848

Bases of 18078398024

• Binary: 10000110101100011100111011001001000₂
• Hexadecimal: 0x4358E7648
• Base-36: 8AZET6W

Squares and roots of 18078398024

• 18078398024 squared (18078398024²) is 326828475114167104576
• 18078398024 cubed (18078398024³) is 5908535258690891757772559757824
• The square root of 18078398024 is 134455.9333908325
• The cube root of 18078398024 is 2624.5407159695

Scales and comparisons

• 18,078,398,024 seconds is equal to 574 years, 43 weeks, 3 days, 17 hours, 13 minutes, 44 seconds.
• To count from 1 to 18,078,398,024 would take you about one thousand, one hundred forty-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 18078398024 cubic inches would be around 218.7 feet tall.

Recreational maths with 18078398024

• 18078398024 backwards is 42089387081
• The number of decimal digits it has is: 11
• The sum of 18078398024's digits is 50
• More coming soon!