6513746421

Names of 6513746421

• Cardinal: 6513746421 can be written as Six billion, five hundred thirteen million, seven hundred forty-six thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 6.513746421 × 10⁹

Factors of 6513746421

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2818

Divisors of 6513746421

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 13 19 21 39 57 91 133 247 273 399 569 741 1707 1729 2207 3983 5187 6621 7397 10811 11949 15449 22191 28691 32433 41933 46347 51779 75677 86073 125799 140543 155337 200837 227031 293531 421629 545129 602511 880593 983801 1255783 1635387 2951403 3767349 3815903 8790481 11447709 16325179 23859877 26371443 48975537 71579631 114276253 167019139 310178401 342828759 501057417 930535203 2171248807 6513746421
• Sum of all divisors σ(n): 11276697600
• Sum of proper divisors (its aliquot sum) s(n): 4762951179
• 6513746421 is a deficient number, because the sum of its proper divisors (4762951179) is less than itself. Its deficiency is 1750795242

Bases of 6513746421

• Binary: 110000100001111111110000111110101₂
• Hexadecimal: 0x1843FE1F5
• Base-36: 2ZQ46WL

Squares and roots of 6513746421

• 6513746421 squared (6513746421²) is 42428892437090309241
• 6513746421 cubed (6513746421³) is 276371046259090969472346976461
• The square root of 6513746421 is 80707.7841413083
• The cube root of 6513746421 is 1867.5702589833

Scales and comparisons

• 6,513,746,421 seconds is equal to 207 years, 6 weeks, 14 hours, 21 seconds.
• To count from 1 to 6,513,746,421 would take you about four hundred fourteen 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 6513746421 cubic inches would be around 155.6 feet tall.

Recreational maths with 6513746421

• 6513746421 backwards is 1246473156
• 6513746421 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 6513746421's digits is 39
• More coming soon!