13898112642

Names of 13898112642

• Cardinal: 13898112642 can be written as Thirteen billion, eight hundred ninety-eight million, one hundred twelve thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 1.3898112642 × 10¹⁰

Factors of 13898112642

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 793

Divisors of 13898112642

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 3 6 9 18 37 74 111 222 333 666 751 1369 1502 2253 2738 4107 4506 6759 8214 12321 13518 24642 27787 55574 83361 166722 250083 500166 564001 1028119 1128002 1692003 2056238 3084357 3384006 5076009 6168714 9253071 10152018 18506142 20868037 41736074 62604111 125208222 187812333 375624666 772117369 1544234738 2316352107 4632704214 6949056321 13898112642
• Sum of all divisors σ(n): 30989691369
• Sum of proper divisors (its aliquot sum) s(n): 17091578727
• 13898112642 is an abundant number, because the sum of its proper divisors (17091578727) is greater than itself. Its abundance is 3193466085

Bases of 13898112642

• Binary: 1100111100011001000101111010000010₂
• Hexadecimal: 0x33C645E82
• Base-36: 6DUKSCI

Squares and roots of 13898112642

• 13898112642 squared (13898112642²) is 193157535009720220164
• 13898112642 cubed (13898112642³) is 2684525179216150184744311713288
• The square root of 13898112642 is 117890.2567729837
• The cube root of 13898112642 is 2404.2812842527

Scales and comparisons

• 13,898,112,642 seconds is equal to 441 years, 47 weeks, 4 days, 18 hours, 50 minutes, 42 seconds.
• To count from 1 to 13,898,112,642 would take you about eight hundred eighty-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 13898112642 cubic inches would be around 200.4 feet tall.

Recreational maths with 13898112642

• 13898112642 backwards is 24621189831
• The number of decimal digits it has is: 11
• The sum of 13898112642's digits is 45
• More coming soon!