15194042721

Names of 15194042721

• Cardinal: 15194042721 can be written as Fifteen billion, one hundred ninety-four million, forty-two thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 1.5194042721 × 10¹⁰

Factors of 15194042721

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1037

Divisors of 15194042721

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 9 11 13 19 27 33 39 57 99 117 121 143 171 209 247 297 351 361 363 429 513 627 741 991 1083 1089 1287 1573 1881 2223 2299 2717 2973 3249 3267 3861 3971 4693 4719 5643 6669 6897 8151 8919 9747 10901 11913 12883 14079 14157 18829 20691 24453 26757 29887 32703 35739 38649 42237 42471 43681 51623 56487 62073 73359 89661 98109 107217 115947 119911 126711 131043 141713 154869 169461 207119 244777 268983 294327 347841 357751 359733 393129 425139 464607 508383 567853 621357 734331 806949 1073253 1079199 1179387 1275417 1393821 1558843 1703559 1864071 2202993 2278309 2692547 3219759 3237597 3826251 3935261 4650763 4676529 5110677 5592213 6608979 6834927 8077641 9659277 11805783 13952289 14029587 15332031 20504781 24232923 29618017 35417349 41856867 42088761 43287871 51158393 61514343 72698769 88854051 106252047 125570601 129863613 153475179 266562153 389590839 460425537 562742323 799686459 1168772517 1381276611 1688226969 5064680907 15194042721
• Sum of all divisors σ(n): 28149864960
• Sum of proper divisors (its aliquot sum) s(n): 12955822239
• 15194042721 is a deficient number, because the sum of its proper divisors (12955822239) is less than itself. Its deficiency is 2238220482

Bases of 15194042721

• Binary: 1110001001101000101011000101100001₂
• Hexadecimal: 0x389A2B161
• Base-36: 6ZA52E9

Squares and roots of 15194042721

• 15194042721 squared (15194042721²) is 230858934207573083841
• 15194042721 cubed (15194042721³) is 3507680508874393717609868771361
• The square root of 15194042721 is 123264.1177350489
• The cube root of 15194042721 is 2476.8010002471

Scales and comparisons

• 15,194,042,721 seconds is equal to 483 years, 6 weeks, 2 days, 23 hours, 25 minutes, 21 seconds.
• To count from 1 to 15,194,042,721 would take you about nine hundred sixty-six 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 15194042721 cubic inches would be around 206.4 feet tall.

Recreational maths with 15194042721

• 15194042721 backwards is 12724049151
• The number of decimal digits it has is: 11
• The sum of 15194042721's digits is 36
• More coming soon!