12820389681825

Names of 12820389681825

• Cardinal: 12820389681825 can be written as Twelve trillion, eight hundred twenty billion, three hundred eighty-nine million, six hundred eighty-one thousand, eight hundred twenty-five.

Scientific notation

• Scientific notation: 1.2820389681825 × 10¹³

Factors of 12820389681825

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 22
• Sum of prime factors: 38

Divisors of 12820389681825

• Number of divisors d(n): 324
• Complete list of divisors:
  1 3 5 9 11 15 19 25 27 33 45 55 57 75 81 95 99 135 165 171 209 225 243 275 285 297 361 405 475 495 513 627 675 729 825 855 891 1045 1083 1215 1425 1485 1539 1805 1881 2025 2187 2475 2565 2673 3135 3249 3645 3971 4275 4455 4617 5225 5415 5643 6075 6561 7425 7695 8019 9025 9405 9747 10935 11913 12825 13365 13851 15675 16245 16929 18225 19683 19855 22275 23085 24057 27075 28215 29241 32805 35739 38475 40095 41553 47025 48735 50787 54675 59049 59565 66825 69255 72171 81225 84645 87723 98415 99275 107217 115425 120285 124659 141075 146205 152361 164025 177147 178695 200475 207765 216513 243675 253935 263169 295245 297825 321651 346275 360855 373977 423225 438615 457083 492075 531441 536085 601425 623295 649539 731025 761805 789507 885735 893475 964953 1038825 1082565 1121931 1269675 1315845 1371249 1476225 1594323 1608255 1804275 1869885 1948617 2193075 2285415 2368521 2657205 2680425 2894859 3116475 3247695 3365793 3809025 3947535 4113747 4428675 4782969 4824765 5412825 5609655 5845851 6579225 6856245 7105563 7971615 8041275 8684577 9349425 9743085 10097379 11427075 11842605 12341241 13286025 14348907 14474295 16238475 16828965 17537553 19737675 20568735 21316689 23914845 24123825 26053731 28048275 29229255 30292137 34281225 35527815 37023723 39858075 43046721 43422885 48715425 50486895 52612659 59213025 61706205 63950067 71744535 72371475 78161193 84144825 87687765 90876411 102843675 106583445 111071169 119574225 129140163 130268655 146146275 151460685 157837977 177639075 185118615 191850201 215233605 217114425 234483579 252434475 263063295 272629233 308531025 319750335 333213507 358722675 390805965 438438825 454382055 473513931 532917225 555355845 575550603 645700815 651343275 703450737 757303425 789189885 817887699 925593075 959251005 999640521 1076168025 1172417895 1315316475 1363146165 1420541793 1598751675 1666067535 1726651809 1954029825 2110352211 2271910275 2367569655 2453663097 2776779225 2877753015 2998921563 3228504075 3517253685 3945949425 4089438495 4796255025 4998202605 5179955427 5862089475 6331056633 6815730825 7102708965 8330337675 8633259045 8996764689 10551761055 11837848275 12268315485 14388765075 14994607815 15539866281 17586268425 18993169899 20447192475 24991013025 25899777135 26990294067 31655283165 35513544825 43166295225 44983823445 46619598843 52758805275 56979509697 61341577425 74973039075 77699331405 94965849495 129498885675 134951470335 158276415825 170938529091 224919117225 233097994215 284897548485 388496657025 474829247475 512815587273 674757351675 854692645455 1165489971075 1424487742425 2564077936365 4273463227275 12820389681825
• Sum of all divisors σ(n): 27454940302608
• Sum of proper divisors (its aliquot sum) s(n): 14634550620783
• 12820389681825 is an abundant number, because the sum of its proper divisors (14634550620783) is greater than itself. Its abundance is 1814160938958

Bases of 12820389681825

• Binary: 10111010100011111010110001011101101010100001₂
• Hexadecimal: 0xBA8FAC5DAA1
• Base-36: 4JLLT0529

Squares and roots of 12820389681825

• 12820389681825 squared (12820389681825²) is 164362391593844924735330625
• 12820389681825 cubed (12820389681825³) is 2107189909269809589255976463779928390625
• The square root of 12820389681825 is 3580557.1747739205
• The cube root of 12820389681825 is 23404.5561061869

Scales and comparisons

• 12,820,389,681,825 seconds is equal to 407,648 years, 38 weeks, 1 day, 20 hours, 3 minutes, 45 seconds.
• To count from 1 to 12,820,389,681,825 would take you about one million, nineteen thousand, one hundred twenty-one 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 12820389681825 cubic inches would be around 1950.4 feet tall.

Recreational maths with 12820389681825

• 12820389681825 backwards is 52818698302821
• The number of decimal digits it has is: 14
• The sum of 12820389681825's digits is 63
• More coming soon!