12721397313305516

Names of 12721397313305516

• Cardinal: 12721397313305516 can be written as Twelve quadrillion, seven hundred twenty-one trillion, three hundred ninety-seven billion, three hundred thirteen million, three hundred five thousand, five hundred sixteen.

Scientific notation

• Scientific notation: 1.2721397313305516 × 10¹⁶

Factors of 12721397313305516

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 503

Divisors of 12721397313305516

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 11 22 29 44 58 116 121 242 319 461 484 638 841 922 1276 1331 1682 1844 2662 3364 3509 5071 5324 7018 9251 10142 13369 14036 18502 20284 24389 26738 37004 38599 48778 53476 55781 77198 97556 101761 111562 147059 154396 203522 212521 223124 268279 294118 387701 407044 425042 536558 588236 613591 775402 850084 1073116 1119371 1227182 1550804 1617649 2238742 2337731 2454364 2951069 3235298 4264711 4477484 4675462 5902138 6163109 6470596 8529422 9350924 11243329 11804276 12326218 17058844 17794139 22486658 24652436 25715041 32461759 35588278 44973316 46911821 51430082 64923518 67794199 71176556 93823642 97972181 102860164 123676619 129847036 135588398 178730161 187647284 195944362 247353238 271176796 282865451 357460322 391888724 494706476 516030031 565730902 714920644 745736189 1032060062 1077693991 1131461804 1360442809 1491472378 1966031771 2064120124 2155387982 2720885618 2841193249 2982944756 3932063542 4310775964 5183174669 5441771236 5682386498 7864127084 8203098079 10366349338 11364772996 11854633901 14964870899 16406196158 20732698676 21626349481 23709267802 29929741798 31253125739 32812392316 43252698962 47418535604 57014921359 59859483596 62506251478 82394604221 86505397924 114029842718 125012502956 130400972911 164789208442 228059685436 237889844291 260801945822 329578416884 343784383129 475779688582 521603891644 627164134949 687568766258 906340646431 951559377164 1254328269898 1375137532516 1812681292862 2389443522409 2508656539796 3625362585724 3781628214419 4778887044818 6898805484439 7563256428838 9557774089636 9969747110741 13797610968878 15126512857676 19939494221482 26283878746499 27595221937756 39878988442964 52567757492998 105135514985996 109667218218151 219334436436302 289122666211489 438668872872604 578245332422978 1156490664845956 3180349328326379 6360698656652758 12721397313305516
• Sum of all divisors σ(n): 25416651422574720
• Sum of proper divisors (its aliquot sum) s(n): 12695254109269204
• 12721397313305516 is a deficient number, because the sum of its proper divisors (12695254109269204) is less than itself. Its deficiency is 26143204036312

Bases of 12721397313305516

• Binary: 101101001100100000101100011111111001111111101110101100₂
• Hexadecimal: 0x2D320B1FE7FBAC
• Base-36: 3H9CX8VLHNW

Squares and roots of 12721397313305516

• 12721397313305516 squared (12721397313305516²) is 161833949602976800812050356026256
• 12721397313305516 cubed (12721397313305516³) is 2058753971680929351598656677450000812421845628096
• The square root of 12721397313305516 is 112789171.9683477241
• The cube root of 12721397313305516 is 233441.6113013915

Scales and comparisons

• 12,721,397,313,305,516 seconds is equal to 404,501,084 years, 36 weeks, 1 day, 22 hours, 11 minutes, 56 seconds.
• To count from 1 to 12,721,397,313,305,516 would take you about one billion, two hundred thirteen million, five hundred three thousand, two 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 12721397313305516 cubic inches would be around 19453.5 feet tall.

Recreational maths with 12721397313305516

• 12721397313305516 backwards is 61550331379312721
• The number of decimal digits it has is: 17
• The sum of 12721397313305516's digits is 59
• More coming soon!