16120126961991

Names of 16120126961991

• Cardinal: 16120126961991 can be written as Sixteen trillion, one hundred twenty billion, one hundred twenty-six million, nine hundred sixty-one thousand, nine hundred ninety-one.

Scientific notation

• Scientific notation: 1.6120126961991 × 10¹³

Factors of 16120126961991

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1860570

Divisors of 16120126961991

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 13 27 39 81 117 169 211 243 351 507 633 1053 1521 1899 2743 3159 4563 5697 8229 13689 17091 24687 35659 41067 51273 74061 106977 222183 320931 666549 962793 1860343 2888379 5581029 8665137 16743087 24184459 50229261 72553377 150687783 217660131 314397967 392532373 452063349 652980393 943193901 1177597119 1958941179 2829581703 3532791357 5102920849 5876823537 8488745109 10598374071 15308762547 25466235327 31795122213 45926287641 66337971037 76398705981 95385366639 137778862923 199013913111 413336588769 597041739333 1240009766307 1791125217999 5373375653997 16120126961991
• Sum of all divisors σ(n): 26271301719936
• Sum of proper divisors (its aliquot sum) s(n): 10151174757945
• 16120126961991 is a deficient number, because the sum of its proper divisors (10151174757945) is less than itself. Its deficiency is 5968952204046

Bases of 16120126961991

• Binary: 11101010100101000010011100001111100101000111₂
• Hexadecimal: 0xEA94270F947
• Base-36: 5PPHFDTFR

Squares and roots of 16120126961991

• 16120126961991 squared (16120126961991²) is 259858493270709187158684081
• 16120126961991 cubed (16120126961991³) is 4188951903675516006338371043883863765271
• The square root of 16120126961991 is 4014987.7910139403
• The cube root of 16120126961991 is 25261.3265327161

Scales and comparisons

• 16,120,126,961,991 seconds is equal to 512,570 years, 9 weeks, 12 hours, 59 minutes, 51 seconds.
• To count from 1 to 16,120,126,961,991 would take you about one million, two hundred eighty-one thousand, four hundred twenty-five 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 16120126961991 cubic inches would be around 2105.1 feet tall.

Recreational maths with 16120126961991

• 16120126961991 backwards is 19916962102161
• The number of decimal digits it has is: 14
• The sum of 16120126961991's digits is 54
• More coming soon!