18345821830

Names of 18345821830

• Cardinal: 18345821830 can be written as Eighteen billion, three hundred forty-five million, eight hundred twenty-one thousand, eight hundred thirty.

Scientific notation

• Scientific notation: 1.834582183 × 10¹⁰

Factors of 18345821830

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 6566

Divisors of 18345821830

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 7 10 14 17 19 34 35 38 70 85 95 119 127 133 170 190 238 254 266 323 595 635 646 665 889 1190 1270 1330 1615 1778 2159 2261 2413 3230 4318 4445 4522 4826 6389 8890 10795 11305 12065 12778 15113 16891 21590 22610 24130 30226 31945 33782 41021 44723 63890 75565 82042 84455 89446 108613 121391 151130 168910 205105 217226 223615 242782 287147 410210 447230 543065 574294 606955 760291 811403 849737 1086130 1213910 1435735 1520582 1622806 1699474 2063647 2871470 3801455 4057015 4127294 4248685 5679821 7602910 8114030 8497370 10318235 11359642 13793851 14445529 15416657 20636470 27587702 28399105 28891058 30833314 56798210 68969255 72227645 77083285 96556957 107916599 137938510 144455290 154166570 193113914 215833198 262083169 482784785 524166338 539582995 965569570 1079165990 1310415845 1834582183 2620831690 3669164366 9172910915 18345821830
• Sum of all divisors σ(n): 42400972800
• Sum of proper divisors (its aliquot sum) s(n): 24055150970
• 18345821830 is an abundant number, because the sum of its proper divisors (24055150970) is greater than itself. Its abundance is 5709329140

Bases of 18345821830

• Binary: 10001000101011111110000011010000110₂
• Hexadecimal: 0x4457F0686
• Base-36: 8FEMMPY

Squares and roots of 18345821830

• 18345821830 squared (18345821830²) is 336569178618104548900
• 18345821830 cubed (18345821830³) is 6174638184397191666431922487000
• The square root of 18345821830 is 135446.7490565941
• The cube root of 18345821830 is 2637.4185543607

Scales and comparisons

• 18,345,821,830 seconds is equal to 583 years, 17 weeks, 4 days, 21 hours, 37 minutes, 10 seconds.
• To count from 1 to 18,345,821,830 would take you about one thousand, one hundred sixty-six 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 18345821830 cubic inches would be around 219.8 feet tall.

Recreational maths with 18345821830

• 18345821830 backwards is 03812854381
• The number of decimal digits it has is: 11
• The sum of 18345821830's digits is 43
• More coming soon!