21101150036997801

Names of 21101150036997801

• Cardinal: 21101150036997801 can be written as Twenty-one quadrillion, one hundred one trillion, one hundred fifty billion, thirty-six million, nine hundred ninety-seven thousand, eight hundred one.

Scientific notation

• Scientific notation: 2.1101150036997801 × 10¹⁶

Factors of 21101150036997801

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5435

Divisors of 21101150036997801

• Number of divisors d(n): 42
• Complete list of divisors:
  1 3 9 27 81 243 729 1303 3909 4129 11727 12387 35181 37161 105543 111483 316629 334449 949887 1003347 3010041 5380087 16140261 17048641 48420783 51145923 145262349 153437769 435787047 460313307 1307361141 1380939921 3922083423 4142819763 12428459289 22214379223 66643137669 199929413007 599788239021 1799364717063 5398094151189 16194282453567
• Sum of all divisors σ(n): 21109260591572946
• Sum of proper divisors (its aliquot sum) s(n): 8110554575145
• 21101150036997801 is a deficient number, because the sum of its proper divisors (8110554575145) is less than itself. Its deficiency is 21093039482422656

Bases of 21101150036997801

• Binary: 1001010111101110110001001011000010011101011011010101001₂
• Hexadecimal: 0x4AF762584EB6A9
• Base-36: 5RRQEI4H9K9

Squares and roots of 21101150036997801

• 21101150036997801 squared (21101150036997801²) is 445258532883892298511137278835601
• 21101150036997801 cubed (21101150036997801³) is 9395467107636530567918487757049495367191077513401
• 21101150036997801 is a perfect square number. Its square root is 145262349
• The cube root of 21101150036997801 is 276334.6691026555

Scales and comparisons

• 21,101,150,036,997,801 seconds is equal to 670,951,301 years, 1 week, 5 days, 8 hours, 43 minutes, 21 seconds.
• To count from 1 to 21,101,150,036,997,801 would take you about two billion, twelve million, eight hundred fifty-three thousand, nine hundred 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 21101150036997801 cubic inches would be around 23027.9 feet tall.

Recreational maths with 21101150036997801

• 21101150036997801 backwards is 10879963005110112
• The number of decimal digits it has is: 17
• The sum of 21101150036997801's digits is 54
• More coming soon!