72841394691

Names of 72841394691

• Cardinal: 72841394691 can be written as Seventy-two billion, eight hundred forty-one million, three hundred ninety-four thousand, six hundred ninety-one.

Scientific notation

• Scientific notation: 7.2841394691 × 10¹⁰

Factors of 72841394691

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 311

Divisors of 72841394691

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 9 13 17 27 37 39 51 111 117 153 221 241 333 351 459 481 629 663 723 999 1369 1443 1887 1989 2169 3133 4097 4107 4329 5661 5967 6507 8177 8917 9399 12291 12321 12987 16983 17797 23273 24531 26751 28197 36873 36963 50653 53261 53391 69819 73593 80253 84591 110619 115921 151589 151959 159783 160173 209457 220779 240759 302549 329929 347763 454767 455877 479349 480519 628371 658489 861101 907647 989787 1043289 1364301 1367631 1438047 1970657 1975467 2583303 2722941 2969361 3129867 4092903 4289077 5608793 5911971 5926401 7749909 8168823 8908083 11194313 12207373 12867231 16826379 17735913 17779203 23249727 33582939 36622119 38601693 50479137 53207739 72914309 100748817 109866357 115805079 151437411 158695849 207525341 218742927 302246451 329599071 476087547 622576023 656228781 1428262641 1867728069 1968686343 2697829433 4284787923 5603184207 8093488299 24280464897 72841394691
• Sum of all divisors σ(n): 126993081600
• Sum of proper divisors (its aliquot sum) s(n): 54151686909
• 72841394691 is a deficient number, because the sum of its proper divisors (54151686909) is less than itself. Its deficiency is 18689707782

Bases of 72841394691

• Binary: 1000011110101101011110111101000000011₂
• Hexadecimal: 0x10F5AF7A03
• Base-36: XGNVVUR

Squares and roots of 72841394691

• 72841394691 squared (72841394691²) is 5305868780530042985481
• 72841394691 cubed (72841394691³) is 386486882021243717288617503481371
• The square root of 72841394691 is 269891.4498293713
• The cube root of 72841394691 is 4176.3102190811

Scales and comparisons

• 72,841,394,691 seconds is equal to 2,316 years, 6 weeks, 5 days, 16 hours, 44 minutes, 51 seconds.
• To count from 1 to 72,841,394,691 would take you about four thousand, six hundred thirty-two 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 72841394691 cubic inches would be around 348 feet tall.

Recreational maths with 72841394691

• 72841394691 backwards is 19649314827
• The number of decimal digits it has is: 11
• The sum of 72841394691's digits is 54
• More coming soon!