6420807198

Names of 6420807198

• Cardinal: 6420807198 can be written as Six billion, four hundred twenty million, eight hundred seven thousand, one hundred ninety-eight.

Scientific notation

• Scientific notation: 6.420807198 × 10⁹

Factors of 6420807198

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 54139

Divisors of 6420807198

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 9 13 18 26 27 39 54 78 117 169 234 338 351 507 702 1014 1521 2197 3042 4394 4563 6591 9126 13182 19773 39546 54121 59319 108242 118638 162363 324726 487089 703573 974178 1407146 1461267 2110719 2922534 4221438 6332157 9146449 12664314 18292898 18996471 27439347 37992942 54878694 82318041 118903837 164636082 237807674 246954123 356711511 493908246 713423022 1070134533 2140269066 3210403599 6420807198
• Sum of all divisors σ(n): 15457243200
• Sum of proper divisors (its aliquot sum) s(n): 9036436002
• 6420807198 is an abundant number, because the sum of its proper divisors (9036436002) is greater than itself. Its abundance is 2615628804

Bases of 6420807198

• Binary: 101111110101101011011111000011110₂
• Hexadecimal: 0x17EB5BE1E
• Base-36: 2Y6S6JI

Squares and roots of 6420807198

• 6420807198 squared (6420807198²) is 41226765073888611204
• 6420807198 cubed (6420807198³) is 264709109936678996668866646392
• The square root of 6420807198 is 80129.9394608533
• The cube root of 6420807198 is 1858.6454081047

Scales and comparisons

• 6,420,807,198 seconds is equal to 204 years, 8 weeks, 2 days, 21 hours, 33 minutes, 18 seconds.
• To count from 1 to 6,420,807,198 would take you about four hundred eight 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 6420807198 cubic inches would be around 154.9 feet tall.

Recreational maths with 6420807198

• 6420807198 backwards is 8917080246
• The number of decimal digits it has is: 10
• The sum of 6420807198's digits is 45
• More coming soon!