61438830

Names of 61438830

• Cardinal: 61438830 can be written as Sixty-one million, four hundred thirty-eight thousand, eight hundred thirty.

Scientific notation

• Scientific notation: 6.143883 × 10⁷

Factors of 61438830

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 641

Divisors of 61438830

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 15 30 43 86 97 129 194 215 258 291 430 485 491 582 645 970 982 1290 1455 1473 2455 2910 2946 4171 4910 7365 8342 12513 14730 20855 21113 25026 41710 42226 47627 62565 63339 95254 105565 125130 126678 142881 211130 238135 285762 316695 476270 633390 714405 1428810 2047961 4095922 6143883 10239805 12287766 20479610 30719415 61438830
• Sum of all divisors σ(n): 152748288
• Sum of proper divisors (its aliquot sum) s(n): 91309458
• 61438830 is an abundant number, because the sum of its proper divisors (91309458) is greater than itself. Its abundance is 29870628

Bases of 61438830

• Binary: 11101010010111101101101110₂
• Hexadecimal: 0x3A97B6E
• Base-36: 10KUI6

Squares and roots of 61438830

• 61438830 squared (61438830²) is 3774729831768900
• 61438830 cubed (61438830³) is 231914984429978046387000
• The square root of 61438830 is 7838.2925436603
• The cube root of 61438830 is 394.5914271305

Scales and comparisons

• 61,438,830 seconds is equal to 1 year, 49 weeks, 4 days, 2 hours, 20 minutes, 30 seconds.
• To count from 1 to 61,438,830 would take you about 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 61438830 cubic inches would be around 32.9 feet tall.

Recreational maths with 61438830

• 61438830 backwards is 03883416
• The number of decimal digits it has is: 8
• The sum of 61438830's digits is 33
• More coming soon!