6389517942

Names of 6389517942

• Cardinal: 6389517942 can be written as Six billion, three hundred eighty-nine million, five hundred seventeen thousand, nine hundred forty-two.

Scientific notation

• Scientific notation: 6.389517942 × 10⁹

Factors of 6389517942

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 19496

Divisors of 6389517942

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 9 18 19 31 38 57 62 93 114 171 186 279 342 558 589 961 1178 1767 1922 2883 3534 5301 5766 8649 10602 17298 18259 19441 36518 38882 54777 58323 109554 116646 164331 174969 328662 349938 369379 602671 738758 1108137 1205342 1808013 2216274 3324411 3616026 5424039 6648822 10848078 11450749 18682801 22901498 34352247 37365602 56048403 68704494 103056741 112096806 168145209 206113482 336290418 354973219 709946438 1064919657 2129839314 3194758971 6389517942
• Sum of all divisors σ(n): 15058606680
• Sum of proper divisors (its aliquot sum) s(n): 8669088738
• 6389517942 is an abundant number, because the sum of its proper divisors (8669088738) is greater than itself. Its abundance is 2279570796

Bases of 6389517942

• Binary: 101111100110110000100111001110110₂
• Hexadecimal: 0x17CD84E76
• Base-36: 2XO5JLI

Squares and roots of 6389517942

• 6389517942 squared (6389517942²) is 40825939531139915364
• 6389517942 cubed (6389517942³) is 260858073133225556930639460888
• The square root of 6389517942 is 79934.4602909159
• The cube root of 6389517942 is 1855.6213669987

Scales and comparisons

• 6,389,517,942 seconds is equal to 203 years, 8 weeks, 4 days, 18 hours, 5 minutes, 42 seconds.
• To count from 1 to 6,389,517,942 would take you about four hundred 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 6389517942 cubic inches would be around 154.6 feet tall.

Recreational maths with 6389517942

• 6389517942 backwards is 2497159836
• The number of decimal digits it has is: 10
• The sum of 6389517942's digits is 54
• More coming soon!