61385738740

Names of 61385738740

• Cardinal: 61385738740 can be written as Sixty-one billion, three hundred eighty-five million, seven hundred thirty-eight thousand, seven hundred forty.

Scientific notation

• Scientific notation: 6.138573874 × 10¹⁰

Factors of 61385738740

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2023346

Divisors of 61385738740

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 10 20 37 41 74 82 148 164 185 205 370 410 740 820 1517 3034 6068 7585 15170 30340 2023261 4046522 8093044 10116305 20232610 40465220 74860657 82953701 149721314 165907402 299442628 331814804 374303285 414768505 748606570 829537010 1497213140 1659074020 3069286937 6138573874 12277147748 15346434685 30692869370 61385738740
• Sum of all divisors σ(n): 135623298384
• Sum of proper divisors (its aliquot sum) s(n): 74237559644
• 61385738740 is an abundant number, because the sum of its proper divisors (74237559644) is greater than itself. Its abundance is 12851820904

Bases of 61385738740

• Binary: 111001001010111000000000100111110100₂
• Hexadecimal: 0xE4AE009F4
• Base-36: S77HF5G

Squares and roots of 61385738740

• 61385738740 squared (61385738740²) is 3768208920655536787600
• 61385738740 cubed (61385738740³) is 231314288321098170778072471624000
• The square root of 61385738740 is 247761.4553153901
• The cube root of 61385738740 is 3944.7773468055

Scales and comparisons

• 61,385,738,740 seconds is equal to 1,951 years, 45 weeks, 4 days, 2 hours, 5 minutes, 40 seconds.
• To count from 1 to 61,385,738,740 would take you about three thousand, nine hundred three 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 61385738740 cubic inches would be around 328.7 feet tall.

Recreational maths with 61385738740

• 61385738740 backwards is 04783758316
• The number of decimal digits it has is: 11
• The sum of 61385738740's digits is 52
• More coming soon!