3978408

Names of 3978408

• Cardinal: 3978408 can be written as Three million, nine hundred seventy-eight thousand, four hundred eight.

Scientific notation

• Scientific notation: 3.978408 × 10⁶

Factors of 3978408

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 228

Divisors of 3978408

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 17 21 24 28 34 42 49 51 56 68 84 98 102 119 136 147 168 196 199 204 238 294 357 392 398 408 476 588 597 714 796 833 952 1176 1194 1393 1428 1592 1666 2388 2499 2786 2856 3332 3383 4179 4776 4998 5572 6664 6766 8358 9751 9996 10149 11144 13532 16716 19502 19992 20298 23681 27064 29253 33432 39004 40596 47362 58506 71043 78008 81192 94724 117012 142086 165767 189448 234024 284172 331534 497301 568344 663068 994602 1326136 1989204 3978408
• Sum of all divisors σ(n): 12312000
• Sum of proper divisors (its aliquot sum) s(n): 8333592
• 3978408 is an abundant number, because the sum of its proper divisors (8333592) is greater than itself. Its abundance is 4355184

Bases of 3978408

• Binary: 1111001011010010101000₂
• Hexadecimal: 0x3CB4A8
• Base-36: 2D9RC

Squares and roots of 3978408

• 3978408 squared (3978408²) is 15827730214464
• 3978408 cubed (3978408³) is 62969168507065293312
• The square root of 3978408 is 1994.5946956713
• The cube root of 3978408 is 158.4539633505

Scales and comparisons

• 3,978,408 seconds is equal to 6 weeks, 4 days, 1 hour, 6 minutes, 48 seconds.
• To count from 1 to 3,978,408 would take you about nine weeks!

  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 3978408 cubic inches would be around 13.2 feet tall.

Recreational maths with 3978408

• 3978408 backwards is 8048793
• The number of decimal digits it has is: 7
• The sum of 3978408's digits is 39
• More coming soon!