6401121318

Names of 6401121318

• Cardinal: 6401121318 can be written as Six billion, four hundred one million, one hundred twenty-one thousand, three hundred eighteen.

Scientific notation

• Scientific notation: 6.401121318 × 10⁹

Factors of 6401121318

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2244

Divisors of 6401121318

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 9 18 19 38 57 114 171 342 361 613 722 1083 1226 1607 1839 2166 3214 3249 3678 4821 5517 6498 9642 11034 11647 14463 23294 28926 30533 34941 61066 69882 91599 104823 183198 209646 221293 274797 442586 549594 580127 663879 985091 1160254 1327758 1740381 1970182 1991637 2955273 3480762 3983274 5221143 5910546 8865819 10442286 17731638 18716729 37433458 56150187 112300374 168450561 336901122 355617851 711235702 1066853553 2133707106 3200560659 6401121318
• Sum of all divisors σ(n): 14670469008
• Sum of proper divisors (its aliquot sum) s(n): 8269347690
• 6401121318 is an abundant number, because the sum of its proper divisors (8269347690) is greater than itself. Its abundance is 1868226372

Bases of 6401121318

• Binary: 101111101100010010101110000100110₂
• Hexadecimal: 0x17D895C26
• Base-36: 2XV28TI

Squares and roots of 6401121318

• 6401121318 squared (6401121318²) is 40974354127754057124
• 6401121318 cubed (6401121318³) is 262281811698447790517426169432
• The square root of 6401121318 is 80007.0079305557
• The cube root of 6401121318 is 1856.7439583029

Scales and comparisons

• 6,401,121,318 seconds is equal to 203 years, 27 weeks, 6 days, 1 hour, 15 minutes, 18 seconds.
• To count from 1 to 6,401,121,318 would take you about four hundred seven 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 6401121318 cubic inches would be around 154.7 feet tall.

Recreational maths with 6401121318

• 6401121318 backwards is 8131211046
• The number of decimal digits it has is: 10
• The sum of 6401121318's digits is 27
• More coming soon!