61388012

Names of 61388012

• Cardinal: 61388012 can be written as Sixty-one million, three hundred eighty-eight thousand and twelve.

Scientific notation

• Scientific notation: 6.1388012 × 10⁷

Factors of 61388012

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 253

Divisors of 61388012

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 14 19 23 28 29 38 46 58 76 92 116 133 161 173 203 266 322 346 406 437 532 551 644 667 692 812 874 1102 1211 1334 1748 2204 2422 2668 3059 3287 3857 3979 4669 4844 5017 6118 6574 7714 7958 9338 10034 12236 12673 13148 15428 15916 18676 20068 23009 25346 27853 35119 46018 50692 55706 70238 75601 88711 92036 95323 111412 115391 140476 151202 177422 190646 230782 302404 354844 381292 461564 529207 667261 807737 1058414 1334522 1615474 2116828 2192429 2669044 3230948 4384858 8769716 15347003 30694006 61388012
• Sum of all divisors σ(n): 140313600
• Sum of proper divisors (its aliquot sum) s(n): 78925588
• 61388012 is an abundant number, because the sum of its proper divisors (78925588) is greater than itself. Its abundance is 17537576

Bases of 61388012

• Binary: 11101010001011010011101100₂
• Hexadecimal: 0x3A8B4EC
• Base-36: 10JRAK

Squares and roots of 61388012

• 61388012 squared (61388012²) is 3768488017312144
• 61388012 cubed (61388012³) is 231339987628614103617728
• The square root of 61388012 is 7835.0502231959
• The cube root of 61388012 is 394.4826041035

Scales and comparisons

• 61,388,012 seconds is equal to 1 year, 49 weeks, 3 days, 12 hours, 13 minutes, 32 seconds.
• To count from 1 to 61,388,012 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 61388012 cubic inches would be around 32.9 feet tall.

Recreational maths with 61388012

• 61388012 backwards is 21088316
• 61388012 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 61388012's digits is 29
• More coming soon!