6420402743769

Names of 6420402743769

• Cardinal: 6420402743769 can be written as Six trillion, four hundred twenty billion, four hundred two million, seven hundred forty-three thousand, seven hundred sixty-nine.

Scientific notation

• Scientific notation: 6.420402743769 × 10¹²

Factors of 6420402743769

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 178143

Divisors of 6420402743769

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 21 29 63 87 203 261 609 683 841 1827 2049 2523 4781 5887 6147 7569 14343 17661 19807 43029 52983 59421 138649 177421 178263 415947 532263 574403 1241947 1247841 1596789 1723209 3725841 4020821 5145209 5169627 11177523 12062463 15435627 36016463 36187389 46306881 108049389 121178543 149211061 324148167 363535629 447633183 848249801 1044477427 1090606887 1342899549 2544749403 3133432281 3514177747 7634248209 9400296843 10542533241 24599244229 31627599723 73797732687 101911154663 221393198061 305733463989 713378082641 917200391967 2140134247923 6420402743769
• Sum of all divisors σ(n): 10992970602432
• Sum of proper divisors (its aliquot sum) s(n): 4572567858663
• 6420402743769 is a deficient number, because the sum of its proper divisors (4572567858663) is less than itself. Its deficiency is 1847834885106

Bases of 6420402743769

• Binary: 1011101011011011101110100110010100111011001₂
• Hexadecimal: 0x5D6DDD329D9
• Base-36: 29XHQ0US9

Squares and roots of 6420402743769

• 6420402743769 squared (6420402743769²) is 41221571392196503468325361
• 6420402743769 cubed (6420402743769³) is 264659090068928148063644272548007425609
• The square root of 6420402743769 is 2533851.3657610227
• The cube root of 6420402743769 is 18586.0638119515

Scales and comparisons

• 6,420,402,743,769 seconds is equal to 204,148 years, 49 weeks, 1 day, 22 hours, 36 minutes, 9 seconds.
• To count from 1 to 6,420,402,743,769 would take you about five hundred ten thousand, three hundred seventy-two 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 6420402743769 cubic inches would be around 1548.8 feet tall.

Recreational maths with 6420402743769

• 6420402743769 backwards is 9673472040246
• The number of decimal digits it has is: 13
• The sum of 6420402743769's digits is 54
• More coming soon!