1991729101295616

Names of 1991729101295616

• Cardinal: 1991729101295616 can be written as One quadrillion, nine hundred ninety-one trillion, seven hundred twenty-nine billion, one hundred one million, two hundred ninety-five thousand, six hundred sixteen.

Scientific notation

• Scientific notation: 1.991729101295616 × 10¹⁵

Factors of 1991729101295616

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 162087329212

Divisors of 1991729101295616

• Number of divisors d(n): 52
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1024 1536 2048 3072 4096 6144 12288 162087329207 324174658414 486261987621 648349316828 972523975242 1296698633656 1945047950484 2593397267312 3890095900968 5186794534624 7780191801936 10373589069248 15560383603872 20747178138496 31120767207744 41494356276992 62241534415488 82988712553984 124483068830976 165977425107968 248966137661952 331954850215936 497932275323904 663909700431872 995864550647808 1991729101295616
• Sum of all divisors σ(n): 5310629254170912
• Sum of proper divisors (its aliquot sum) s(n): 3318900152875296
• 1991729101295616 is an abundant number, because the sum of its proper divisors (3318900152875296) is greater than itself. Its abundance is 1327171051579680

Bases of 1991729101295616

• Binary: 111000100110111011110010001100100100101000000000000₂
• Hexadecimal: 0x7137791925000
• Base-36: JM0BPTZMYO

Squares and roots of 1991729101295616

• 1991729101295616 squared (1991729101295616²) is 3966984812947842180929820819456
• 1991729101295616 cubed (1991729101295616³) is 7901159096345963049377620678983932100420304896
• The square root of 1991729101295616 is 44628792.2903546203
• The cube root of 1991729101295616 is 125818.1870360935

Scales and comparisons

• 1,991,729,101,295,616 seconds is equal to 63,330,824 years, 31 weeks, 21 hours, 13 minutes, 36 seconds.
• To count from 1 to 1,991,729,101,295,616 would take you about one hundred eighty-nine million, nine hundred ninety-two thousand, four hundred seventy-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 1991729101295616 cubic inches would be around 10484.8 feet tall.

Recreational maths with 1991729101295616

• 1991729101295616 backwards is 6165921019271991
• The number of decimal digits it has is: 16
• The sum of 1991729101295616's digits is 69
• More coming soon!