321990642136

Names of 321990642136

• Cardinal: 321990642136 can be written as Three hundred twenty-one billion, nine hundred ninety million, six hundred forty-two thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 3.21990642136 × 10¹¹

Factors of 321990642136

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 134472

Divisors of 321990642136

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 17 34 41 68 82 136 164 328 431 697 862 1394 1724 2788 3448 5576 7327 14654 17671 29308 35342 58616 70684 133981 141368 267962 300407 535924 600814 1071848 1201628 2277677 2403256 4555354 5493221 9110708 10986442 18221416 21972884 43945768 57745811 93384757 115491622 186769514 230983244 373539028 461966488 747078056 981678787 1963357574 2367578251 3926715148 4735156502 7853430296 9470313004 18940626008 40248830267 80497660534 160995321068 321990642136
• Sum of all divisors σ(n): 656361740160
• Sum of proper divisors (its aliquot sum) s(n): 334371098024
• 321990642136 is an abundant number, because the sum of its proper divisors (334371098024) is greater than itself. Its abundance is 12380455888

Bases of 321990642136

• Binary: 100101011111000001000110100100111011000₂
• Hexadecimal: 0x4AF82349D8
• Base-36: 43X4WXJS

Squares and roots of 321990642136

• 321990642136 squared (321990642136²) is 103677973623153618642496
• 321990642136 cubed (321990642136³) is 33383337302278504144069347657811456
• The square root of 321990642136 is 567442.1927703297
• The cube root of 321990642136 is 6854.0576037151

Scales and comparisons

• 321,990,642,136 seconds is equal to 10,238 years, 15 weeks, 6 days, 13 hours, 2 minutes, 16 seconds.
• To count from 1 to 321,990,642,136 would take you about twenty thousand, four hundred seventy-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 321990642136 cubic inches would be around 571.2 feet tall.

Recreational maths with 321990642136

• 321990642136 backwards is 631246099123
• The number of decimal digits it has is: 12
• The sum of 321990642136's digits is 46
• More coming soon!