67400072978

Names of 67400072978

• Cardinal: 67400072978 can be written as Sixty-seven billion, four hundred million, seventy-two thousand, nine hundred seventy-eight.

Scientific notation

• Scientific notation: 6.7400072978 × 10¹⁰

Factors of 67400072978

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 5395

Divisors of 67400072978

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 7 14 19 37 38 74 133 259 266 518 703 1406 2161 3169 4322 4921 6338 9842 15127 22183 30254 41059 44366 60211 79957 82118 117253 120422 159914 234506 287413 421477 559699 574826 820771 842954 1119398 1519183 1641542 2227807 3038366 4455614 6848209 10634281 13696418 15594649 21268562 31189298 47937463 95874926 130115971 253383733 260231942 506767466 910811797 1773686131 1821623594 3547372262 4814290927 9628581854 33700036489 67400072978
• Sum of all divisors σ(n): 125008569600
• Sum of proper divisors (its aliquot sum) s(n): 57608496622
• 67400072978 is a deficient number, because the sum of its proper divisors (57608496622) is less than itself. Its deficiency is 9791576356

Bases of 67400072978

• Binary: 111110110001010110110111111100010010₂
• Hexadecimal: 0xFB15B7F12
• Base-36: UYO9H5E

Squares and roots of 67400072978

• 67400072978 squared (67400072978²) is 4542769837439725788484
• 67400072978 cubed (67400072978³) is 306183018565694714820130191985352
• The square root of 67400072978 is 259615.2402652819
• The cube root of 67400072978 is 4069.6162202345

Scales and comparisons

• 67,400,072,978 seconds is equal to 2,143 years, 5 weeks, 6 days, 10 hours, 29 minutes, 38 seconds.
• To count from 1 to 67,400,072,978 would take you about four thousand, two hundred eighty-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 67400072978 cubic inches would be around 339.1 feet tall.

Recreational maths with 67400072978

• 67400072978 backwards is 87927000476
• The number of decimal digits it has is: 11
• The sum of 67400072978's digits is 50
• More coming soon!