30729262172

Names of 30729262172

• Cardinal: 30729262172 can be written as Thirty billion, seven hundred twenty-nine million, two hundred sixty-two thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 3.0729262172 × 10¹⁰

Factors of 30729262172

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2393

Divisors of 30729262172

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 14 19 28 38 43 76 86 133 172 266 301 532 602 817 1093 1204 1229 1634 2186 2458 3268 4372 4916 5719 7651 8603 11438 15302 17206 20767 22876 23351 30604 34412 41534 46702 46999 52847 83068 93404 93998 105694 145369 163457 187996 211388 290738 326914 328993 369929 581476 653828 657986 739858 892981 1004093 1315972 1343297 1479716 1785962 2008186 2686594 3571924 4016372 5373188 6250867 7028651 9403079 12501734 14057302 18806158 25003468 25522643 28114604 37612316 51045286 57761771 102090572 115523542 178658501 231047084 357317002 404332397 714634004 808664794 1097473649 1617329588 2194947298 4389894596 7682315543 15364631086 30729262172
• Sum of all divisors σ(n): 66312153600
• Sum of proper divisors (its aliquot sum) s(n): 35582891428
• 30729262172 is an abundant number, because the sum of its proper divisors (35582891428) is greater than itself. Its abundance is 4853629256

Bases of 30729262172

• Binary: 11100100111100110110101010001011100₂
• Hexadecimal: 0x7279B545C
• Base-36: E47EQFW

Squares and roots of 30729262172

• 30729262172 squared (30729262172²) is 944287553635510157584
• 30729262172 cubed (30729262172³) is 29017259801422103361367770112448
• The square root of 30729262172 is 175297.6388089697
• The cube root of 30729262172 is 3132.2088397917

Scales and comparisons

• 30,729,262,172 seconds is equal to 977 years, 4 weeks, 6 days, 18 hours, 9 minutes, 32 seconds.
• To count from 1 to 30,729,262,172 would take you about one thousand, nine hundred fifty-four 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 30729262172 cubic inches would be around 261 feet tall.

Recreational maths with 30729262172

• 30729262172 backwards is 27126292703
• The number of decimal digits it has is: 11
• The sum of 30729262172's digits is 41
• More coming soon!