72105039669

Names of 72105039669

• Cardinal: 72105039669 can be written as Seventy-two billion, one hundred five million, thirty-nine thousand, six hundred sixty-nine.

Scientific notation

• Scientific notation: 7.2105039669 × 10¹⁰

Factors of 72105039669

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1090

Divisors of 72105039669

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 13 39 71 151 213 331 453 521 923 993 1563 1963 2769 4303 5889 6773 10721 12909 20319 23501 32163 36991 49981 70503 78671 110973 139373 149943 172451 236013 305513 418119 480883 517353 649753 916539 1022723 1442649 1949259 2241863 3068169 3548651 5585641 6725589 10645953 12244021 16756923 26040101 36732063 46132463 72613333 78120303 138397389 159172273 217839999 338521313 477516819 1015563939 1848847171 5546541513 24035013223 72105039669
• Sum of all divisors σ(n): 106211782656
• Sum of proper divisors (its aliquot sum) s(n): 34106742987
• 72105039669 is a deficient number, because the sum of its proper divisors (34106742987) is less than itself. Its deficiency is 37998296682

Bases of 72105039669

• Binary: 1000011001001110010111001011100110101₂
• Hexadecimal: 0x10C9CB9735
• Base-36: X4HH8OL

Squares and roots of 72105039669

• 72105039669 squared (72105039669²) is 5199136745668063629561
• 72105039669 cubed (72105039669³) is 374883961290951291915912026055309
• The square root of 72105039669 is 268523.8158320415
• The cube root of 72105039669 is 4162.1897308365

Scales and comparisons

• 72,105,039,669 seconds is equal to 2,292 years, 37 weeks, 2 days, 1 hour, 41 minutes, 9 seconds.
• To count from 1 to 72,105,039,669 would take you about four thousand, five hundred eighty-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 72105039669 cubic inches would be around 346.8 feet tall.

Recreational maths with 72105039669

• 72105039669 backwards is 96693050127
• The number of decimal digits it has is: 11
• The sum of 72105039669's digits is 48
• More coming soon!