12721955380134525

Names of 12721955380134525

• Cardinal: 12721955380134525 can be written as Twelve quadrillion, seven hundred twenty-one trillion, nine hundred fifty-five billion, three hundred eighty million, one hundred thirty-four thousand, five hundred twenty-five.

Scientific notation

• Scientific notation: 1.2721955380134525 × 10¹⁶

Factors of 12721955380134525

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 78152

Divisors of 12721955380134525

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 5 7 9 15 21 25 27 35 45 49 63 75 81 105 135 147 175 189 225 243 245 315 343 405 441 525 567 675 735 945 1029 1215 1225 1323 1575 1701 1715 2025 2205 2835 3087 3675 3969 4725 5145 6075 6615 8505 8575 9261 11025 11907 14175 15435 19845 25725 27783 33075 42525 46305 59535 77175 78137 83349 99225 138915 231525 234411 297675 390685 416745 546959 694575 703233 1172055 1640877 1953425 2083725 2109699 2734795 3516165 3828713 4922631 5860275 6329097 8204385 10548495 11486139 13673975 14767893 17580825 18987291 19143565 24613155 26800991 31645485 34458417 41021925 44303679 52742475 57430695 73839465 80402973 94936455 95717825 103375251 123065775 132911037 134004955 158227425 172292085 221518395 241208919 287153475 310125753 369197325 402014865 474682275 516876255 664555185 670024775 723626757 861460425 930377259 1107591975 1206044595 1550628765 2010074325 2170880271 2584381275 3322775925 3618133785 4651886295 6030222975 6105390769 6512640813 7753143825 10854401355 18090668925 18316172307 23259431475 30526953845 32563204065 42737735383 54272006775 54948516921 91580861535 128213206149 152634769225 162816020325 164845550763 213688676915 274742584605 299164147681 384639618447 457904307675 494536652289 641066030745 824227753815 897492443043 1068443384575 1153918855341 1373712923025 1483609956867 1495820738405 1923198092235 2094149033767 2472683261445 2692477329129 3205330153725 3461756566023 4121138769075 4487462215215 5769594276705 6282447101301 7418049784335 7479103692025 8077431987387 9615990461175 10385269698069 10470745168835 12363416307225 13462386645645 17308782830115 18847341303903 22437311076075 24232295962161 28847971383525 31412235506505 37090248921675 40387159936935 51926348490345 52353725844175 56542023911709 67311933228225 72696887886483 86543914150575 94236706519515 121161479810805 157061177532525 169626071735127 201935799684675 259631742451725 282710119558545 363484439432415 471183532597575 508878215205381 605807399054025 848130358675635 1413550597792725 1817422197162075 2544391076026905 4240651793378175 12721955380134525
• Sum of all divisors σ(n): 27557644458635200
• Sum of proper divisors (its aliquot sum) s(n): 14835689078500675
• 12721955380134525 is an abundant number, because the sum of its proper divisors (14835689078500675) is greater than itself. Its abundance is 2113733698366150

Bases of 12721955380134525

• Binary: 101101001100101000110100001111010010000000001001111101₂
• Hexadecimal: 0x2D328D0F48027D
• Base-36: 3H9K1MA6ET9

Squares and roots of 12721955380134525

• 12721955380134525 squared (12721955380134525²) is 161848148694133786495007096975625
• 12721955380134525 cubed (12721955380134525³) is 2059024926044147921743005228135475027333145953125
• The square root of 12721955380134525 is 112791645.8791808083
• The cube root of 12721955380134525 is 233445.0248183089

Scales and comparisons

• 12,721,955,380,134,525 seconds is equal to 404,518,829 years, 25 weeks, 5 days, 17 hours, 48 minutes, 45 seconds.
• To count from 1 to 12,721,955,380,134,525 would take you about one billion, two hundred thirteen million, five hundred fifty-six thousand, four hundred eighty-eight 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 12721955380134525 cubic inches would be around 19453.8 feet tall.

Recreational maths with 12721955380134525

• 12721955380134525 backwards is 52543108355912721
• 12721955380134525 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 12721955380134525's digits is 63
• More coming soon!