81040455024960

Names of 81040455024960

• Cardinal: 81040455024960 can be written as Eighty-one trillion, forty billion, four hundred fifty-five million, twenty-four thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 8.104045502496 × 10¹³

Factors of 81040455024960

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1156399270

Divisors of 81040455024960

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 73 80 96 120 146 160 192 219 240 292 320 365 438 480 584 730 876 960 1095 1168 1460 1752 2190 2336 2920 3504 4380 4672 5840 7008 8760 11680 14016 17520 23360 35040 70080 1156399187 2312798374 3469197561 4625596748 5781995935 6938395122 9251193496 11563991870 13876790244 17345987805 18502386992 23127983740 27753580488 34691975610 37004773984 46255967480 55507160976 69383951220 74009547968 84417140651 92511934960 111014321952 138767902440 168834281302 185023869920 222028643904 253251421953 277535804880 337668562604 370047739840 422085703255 506502843906 555071609760 675337125208 844171406510 1013005687812 1110143219520 1266257109765 1350674250416 1688342813020 2026011375624 2532514219530 2701348500832 3376685626040 4052022751248 5065028439060 5402697001664 6753371252080 8104045502496 10130056878120 13506742504160 16208091004992 20260113756240 27013485008320 40520227512480 81040455024960
• Sum of all divisors σ(n): 260828149651776
• Sum of proper divisors (its aliquot sum) s(n): 179787694626816
• 81040455024960 is an abundant number, because the sum of its proper divisors (179787694626816) is greater than itself. Its abundance is 98747239601856

Bases of 81040455024960

• Binary: 10010011011010010110011100010001100000101000000₂
• Hexadecimal: 0x49B4B388C140
• Base-36: SQ5GYIP1C

Squares and roots of 81040455024960

• 81040455024960 squared (81040455024960²) is 6567555350652564514223001600
• 81040455024960 cubed (81040455024960³) is 532237674018494556701774031404734119936000
• The square root of 81040455024960 is 9002247.2208310299
• The cube root of 81040455024960 is 43274.6891501463

Scales and comparisons

• 81,040,455,024,960 seconds is equal to 2,576,835 years, 41 weeks, 2 days, 10 hours, 56 minutes.
• To count from 1 to 81,040,455,024,960 would take you about six million, four hundred forty-two thousand and eighty-nine 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 81040455024960 cubic inches would be around 3606.2 feet tall.

Recreational maths with 81040455024960

• 81040455024960 backwards is 06942055404018
• 81040455024960 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81040455024960's digits is 48
• More coming soon!