42121189288642566400

Names of 42121189288642566400

• Cardinal: 42121189288642566400 can be written as Forty-two quintillion, one hundred twenty-one quadrillion, one hundred eighty-nine trillion, two hundred eighty-eight billion, six hundred forty-two million, five hundred sixty-six thousand, four hundred.

Scientific notation

• Scientific notation: 4.21211892886425664 × 10¹⁹

Factors of 42121189288642566400

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 9014

Divisors of 42121189288642566400

• Number of divisors d(n): 81
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 640 800 1280 1600 3200 6400 9007 18014 36028 45035 72056 90070 144112 180140 225175 288224 360280 450350 576448 720560 900700 1152896 1441120 1801400 2305792 2882240 3602800 5764480 7205600 11528960 14411200 28822400 57644800 81126049 162252098 324504196 405630245 649008392 811260490 1298016784 1622520980 2028151225 2596033568 3245041960 4056302450 5192067136 6490083920 8112604900 10384134272 12980167840 16225209800 20768268544 25960335680 32450419600 51920671360 64900839200 103841342720 129801678400 259603356800 519206713600
• Sum of all divisors σ(n): 42121190054696290737
• Sum of proper divisors (its aliquot sum) s(n): 766053724337
• 42121189288642566400 is a deficient number, because the sum of its proper divisors (766053724337) is less than itself. Its deficiency is 42121188522588842063

Bases of 42121189288642566400

• Binary: 100100100010001100100001100111110110001010100001110101100100000000₂
• Hexadecimal: 0x2488C867D8A875900
• Base-36: 8W0M3GAIYF6KG

Squares and roots of 42121189288642566400

• 42121189288642566400 squared (42121189288642566400²) is 1774194587089657268873430337978408960000
• 42121189288642566400 cubed (42121189288642566400³) is 74731186037688492677988557328364211249160790003154944000000
• 42121189288642566400 is a perfect square number. Its square root is 6490083920
• The cube root of 42121189288642566400 is 3479366.7454512455

Scales and comparisons

• 42,121,189,288,642,566,400 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 42,121,189,288,642,566,400 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 42121189288642566400 cubic inches would be around 289947.2 feet tall.

Recreational maths with 42121189288642566400

• 42121189288642566400 backwards is 00466524688298112124
• The number of decimal digits it has is: 20
• The sum of 42121189288642566400's digits is 79
• More coming soon!