3999742268928

Names of 3999742268928

• Cardinal: 3999742268928 can be written as Three trillion, nine hundred ninety-nine billion, seven hundred forty-two million, two hundred sixty-eight thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 3.999742268928 × 10¹²

Factors of 3999742268928

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 371999851

Divisors of 3999742268928

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 256 336 384 448 512 672 768 896 1344 1536 1792 2688 3584 5376 10752 371999839 743999678 1115999517 1487999356 2231999034 2603998873 2975998712 4463998068 5207997746 5951997424 7811996619 8927996136 10415995492 11903994848 15623993238 17855992272 20831990984 23807989696 31247986476 35711984544 41663981968 47615979392 62495972952 71423969088 83327963936 95231958784 124991945904 142847938176 166655927872 190463917568 249983891808 285695876352 333311855744 499967783616 571391752704 666623711488 999935567232 1333247422976 1999871134464 3999742268928
• Sum of all divisors σ(n): 12177786762240
• Sum of proper divisors (its aliquot sum) s(n): 8178044493312
• 3999742268928 is an abundant number, because the sum of its proper divisors (8178044493312) is greater than itself. Its abundance is 4178302224384

Bases of 3999742268928

• Binary: 111010001101000011001101111001011000000000₂
• Hexadecimal: 0x3A343379600
• Base-36: 1F1GF9YIO

Squares and roots of 3999742268928

• 3999742268928 squared (3999742268928²) is 15997938217849305474269184
• 3999742268928 cubed (3999742268928³) is 63987629705630545826042397134791114752
• The square root of 3999742268928 is 1999935.5661940711
• The cube root of 3999742268928 is 15873.6695768803

Scales and comparisons

• 3,999,742,268,928 seconds is equal to 127,179 years, 22 weeks, 3 days, 7 hours, 8 minutes, 48 seconds.
• To count from 1 to 3,999,742,268,928 would take you about three hundred seventeen thousand, nine hundred forty-eight 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 3999742268928 cubic inches would be around 1322.8 feet tall.

Recreational maths with 3999742268928

• 3999742268928 backwards is 8298622479993
• The number of decimal digits it has is: 13
• The sum of 3999742268928's digits is 78
• More coming soon!