12897428860890

Names of 12897428860890

• Cardinal: 12897428860890 can be written as Twelve trillion, eight hundred ninety-seven billion, four hundred twenty-eight million, eight hundred sixty thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.289742886089 × 10¹³

Factors of 12897428860890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1077479473

Divisors of 12897428860890

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 19 21 30 35 38 42 45 57 63 70 90 95 105 114 126 133 171 190 210 266 285 315 342 399 570 630 665 798 855 1197 1330 1710 1995 2394 3990 5985 11970 1077479437 2154958874 3232438311 5387397185 6464876622 7542356059 9697314933 10774794370 15084712118 16162191555 19394629866 20472109303 22627068177 32324383110 37711780295 40944218606 45254136354 48486574665 61416327909 67881204531 75423560590 96973149330 102360546515 113135340885 122832655818 135762409062 143304765121 184248983727 204721093030 226270681770 286609530242 307081639545 339406022655 368497967454 429914295363 614163279090 678812045310 716523825605 859828590726 921244918635 1289742886089 1433047651210 1842489837270 2149571476815 2579485772178 4299142953630 6448714430445 12897428860890
• Sum of all divisors σ(n): 40340830158720
• Sum of proper divisors (its aliquot sum) s(n): 27443401297830
• 12897428860890 is an abundant number, because the sum of its proper divisors (27443401297830) is greater than itself. Its abundance is 14545972436940

Bases of 12897428860890

• Binary: 10111011101011101010101010100110111111011010₂
• Hexadecimal: 0xBBAEAAA6FDA
• Base-36: 4KKZW542I

Squares and roots of 12897428860890

• 12897428860890 squared (12897428860890²) is 166343671221718322971592100
• 12897428860890 cubed (12897428860890³) is 2145405666041387224871942218132722969000
• The square root of 12897428860890 is 3591299.0492146431
• The cube root of 12897428860890 is 23451.3427283637

Scales and comparisons

• 12,897,428,860,890 seconds is equal to 410,098 years, 17 weeks, 6 days, 1 minute, 30 seconds.
• To count from 1 to 12,897,428,860,890 would take you about one million, twenty-five thousand, two hundred forty-five 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 12897428860890 cubic inches would be around 1954.3 feet tall.

Recreational maths with 12897428860890

• 12897428860890 backwards is 09806882479821
• The number of decimal digits it has is: 14
• The sum of 12897428860890's digits is 72
• More coming soon!