3161981328

Names of 3161981328

• Cardinal: 3161981328 can be written as Three billion, one hundred sixty-one million, nine hundred eighty-one thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 3.161981328 × 10⁹

Factors of 3161981328

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4986

Divisors of 3161981328

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 2053 2917 4106 5834 6159 8212 8751 11668 12318 16424 17502 22583 23336 24636 32087 32848 35004 45166 46672 49272 64174 67749 70008 90332 96261 98544 128348 135498 140016 180664 192522 256696 270996 361328 385044 513392 541992 770088 1083984 1540176 5988601 11977202 17965803 23954404 35931606 47908808 65874611 71863212 95817616 131749222 143726424 197623833 263498444 287452848 395247666 526996888 790495332 1053993776 1580990664 3161981328
• Sum of all divisors σ(n): 8918435136
• Sum of proper divisors (its aliquot sum) s(n): 5756453808
• 3161981328 is an abundant number, because the sum of its proper divisors (5756453808) is greater than itself. Its abundance is 2594472480

Bases of 3161981328

• Binary: 10111100011110000000000110010000₂
• Hexadecimal: 0xBC780190
• Base-36: 1GAK8EO

Squares and roots of 3161981328

• 3161981328 squared (3161981328²) is 9998125918620643584
• 3161981328 cubed (3161981328³) is 31613887469671322527950999552
• The square root of 3161981328 is 56231.4976503383
• The cube root of 3161981328 is 1467.7534177871

Scales and comparisons

• 3,161,981,328 seconds is equal to 100 years, 28 weeks, 1 day, 8 minutes, 48 seconds.
• To count from 1 to 3,161,981,328 would take you about two hundred one 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 3161981328 cubic inches would be around 122.3 feet tall.

Recreational maths with 3161981328

• 3161981328 backwards is 8231891613
• The number of decimal digits it has is: 10
• The sum of 3161981328's digits is 42
• More coming soon!