12842620890

Names of 12842620890

• Cardinal: 12842620890 can be written as Twelve billion, eight hundred forty-two million, six hundred twenty thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.284262089 × 10¹⁰

Factors of 12842620890

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1328

Divisors of 12842620890

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 10 11 15 22 30 33 55 66 109 110 165 218 327 330 545 557 641 654 1090 1114 1199 1282 1635 1671 1923 2398 2785 3205 3270 3342 3597 3846 5570 5995 6127 6410 7051 7194 8355 9615 11990 12254 14102 16710 17985 18381 19230 21153 30635 35255 35970 36762 42306 60713 61270 69869 70510 91905 105765 121426 139738 182139 183810 209607 211530 303565 349345 357037 364278 419214 607130 667843 698690 714074 768559 910695 1048035 1071111 1335686 1537118 1785185 1821390 2003529 2096070 2142222 2305677 3339215 3570370 3842795 3927407 4007058 4611354 5355555 6678430 7685590 7854814 10017645 10711110 11528385 11782221 19637035 20035290 23056770 23564442 38917033 39274070 58911105 77834066 116751099 117822210 194585165 233502198 389170330 428087363 583755495 856174726 1167510990 1284262089 2140436815 2568524178 4280873630 6421310445 12842620890
• Sum of all divisors σ(n): 34046749440
• Sum of proper divisors (its aliquot sum) s(n): 21204128550
• 12842620890 is an abundant number, because the sum of its proper divisors (21204128550) is greater than itself. Its abundance is 8361507660

Bases of 12842620890

• Binary: 1011111101011110101101011111011010₂
• Hexadecimal: 0x2FD7AD7DA
• Base-36: 5WE5XP6

Squares and roots of 12842620890

• 12842620890 squared (12842620890²) is 164932911324264392100
• 12842620890 cubed (12842620890³) is 2118170852421515445866610969000
• The square root of 12842620890 is 113325.2879546309
• The cube root of 12842620890 is 2341.8076524637

Scales and comparisons

• 12,842,620,890 seconds is equal to 408 years, 18 weeks, 3 days, 10 hours, 41 minutes, 30 seconds.
• To count from 1 to 12,842,620,890 would take you about eight hundred sixteen 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 12842620890 cubic inches would be around 195.2 feet tall.

Recreational maths with 12842620890

• 12842620890 backwards is 09802624821
• The number of decimal digits it has is: 11
• The sum of 12842620890's digits is 42
• More coming soon!