12856987731389967

Names of 12856987731389967

• Cardinal: 12856987731389967 can be written as Twelve quadrillion, eight hundred fifty-six trillion, nine hundred eighty-seven billion, seven hundred thirty-one million, three hundred eighty-nine thousand, nine hundred sixty-seven.

Scientific notation

• Scientific notation: 1.2856987731389967 × 10¹⁶

Factors of 12856987731389967

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 1666

Divisors of 12856987731389967

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 9 11 27 31 33 81 93 99 243 279 297 341 729 837 891 1023 1621 2187 2511 2673 3069 4863 6561 7533 8019 9207 14589 17831 19683 22599 24057 27621 43767 50251 53493 59049 67797 72171 82863 131301 150753 160479 177147 203391 216513 248589 393903 452259 481437 531441 552761 610173 649539 745767 1181709 1356777 1444311 1594323 1658283 1830519 1948617 2237301 2627641 3545127 4070331 4332933 4782969 4974849 5491557 5845851 6711903 7882923 10635381 12210993 12998799 14348907 14924547 16474671 17537553 20135709 23648769 28904051 31906143 36632979 38996397 44773641 49424013 52612659 60407127 70946307 81456871 86712153 95718429 109898937 116989191 134320923 148272039 157837977 181221381 212838921 244370613 260136459 287155287 329696811 350967573 402962769 444816117 543664143 638516763 733111839 780409377 861465861 896025581 989090433 1052902719 1208888307 1630992429 1915550289 2199335517 2341228131 2584397583 2688076743 2967271299 3158708157 3626664921 4892977287 5746650867 6598006551 7023684393 7753192749 8064230229 8901813897 9476124471 10879994763 17239952601 19794019653 21071053179 23259578247 24192690687 26705441691 28428373413 32639984289 51719857803 59382058959 63213159537 72578072061 80116325073 85285120239 97919952867 155159573409 178146176877 189639478611 217734216183 240348975219 255855360717 293759858601 465478720227 534438530631 568918435833 653202648549 721046925657 881279575803 1396436160681 1603315591893 1706755307499 1959607945647 2643838727409 4189308482043 4809946775679 5120265922497 5878823836941 7931516182227 12567925446129 14429840327037 15360797767491 17636471510823 37703776338387 43289520981111 46082393302473 52909414532469 129868562943333 138247179907419 158728243597407 389605688829999 414741539722257 476184730792221 1168817066489997 1428554192376663 4285662577129989 12856987731389967
• Sum of all divisors σ(n): 21730780448133120
• Sum of proper divisors (its aliquot sum) s(n): 8873792716743153
• 12856987731389967 is a deficient number, because the sum of its proper divisors (8873792716743153) is less than itself. Its deficiency is 3983195014646814

Bases of 12856987731389967

• Binary: 101101101011010101110010111010100111000110111000001111₂
• Hexadecimal: 0x2DAD5CBA9C6E0F
• Base-36: 3ILF6MHOLXR

Squares and roots of 12856987731389967

• 12856987731389967 squared (12856987731389967²) is 165302133525112130230141828261089
• 12856987731389967 cubed (12856987731389967³) is 2125287502704952815872595094432188056040551094063
• The square root of 12856987731389967 is 113388657.8604313801
• The cube root of 12856987731389967 is 234268.0575038433

Scales and comparisons

• 12,856,987,731,389,967 seconds is equal to 408,812,440 years, 30 weeks, 2 days, 13 hours, 39 minutes, 27 seconds.
• To count from 1 to 12,856,987,731,389,967 would take you about one billion, two hundred twenty-six million, four hundred thirty-seven thousand, three 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 12856987731389967 cubic inches would be around 19522.3 feet tall.

Recreational maths with 12856987731389967

• 12856987731389967 backwards is 76998313778965821
• 12856987731389967 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 12856987731389967's digits is 99
• More coming soon!