3978922816

Names of 3978922816

• Cardinal: 3978922816 can be written as Three billion, nine hundred seventy-eight million, nine hundred twenty-two thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 3.978922816 × 10⁹

Factors of 3978922816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 782

Divisors of 3978922816

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 64 73 88 139 146 176 278 292 352 556 557 584 704 803 1112 1114 1168 1529 1606 2224 2228 2336 3058 3212 4448 4456 4672 6116 6127 6424 8896 8912 10147 12232 12254 12848 17824 20294 24464 24508 25696 35648 40588 40661 48928 49016 51392 77423 81176 81322 97856 98032 111617 154846 162352 162644 196064 223234 309692 324704 325288 392128 446468 447271 619384 649408 650576 851653 892936 894542 1238768 1301152 1703306 1785872 1789084 2477536 2602304 3406612 3571744 3578168 4955072 5651879 6813224 7143488 7156336 11303758 13626448 14312672 22607516 27252896 28625344 45215032 54505792 62170669 90430064 124341338 180860128 248682676 361720256 497365352 994730704 1989461408 3978922816
• Sum of all divisors σ(n): 8810061120
• Sum of proper divisors (its aliquot sum) s(n): 4831138304
• 3978922816 is an abundant number, because the sum of its proper divisors (4831138304) is greater than itself. Its abundance is 852215488

Bases of 3978922816

• Binary: 11101101001010011000101101000000₂
• Hexadecimal: 0xED298B40
• Base-36: 1TSY4HS

Squares and roots of 3978922816

• 3978922816 squared (3978922816²) is 15831826775685369856
• 3978922816 cubed (3978922816³) is 62993616776734232157437034496
• The square root of 3978922816 is 63078.7033474849
• The cube root of 3978922816 is 1584.6079783601

Scales and comparisons

• 3,978,922,816 seconds is equal to 126 years, 26 weeks, 6 days, 8 hours, 20 minutes, 16 seconds.
• To count from 1 to 3,978,922,816 would take you about two hundred fifty-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 3978922816 cubic inches would be around 132.1 feet tall.

Recreational maths with 3978922816

• 3978922816 backwards is 6182298793
• The number of decimal digits it has is: 10
• The sum of 3978922816's digits is 55
• More coming soon!