12398198947840

Names of 12398198947840

• Cardinal: 12398198947840 can be written as Twelve trillion, three hundred ninety-eight billion, one hundred ninety-eight million, nine hundred forty-seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.239819894784 × 10¹³

Factors of 12398198947840

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 8706

Divisors of 12398198947840

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1024 1280 2048 2560 4096 5120 8192 8699 10240 16384 17398 20480 32768 34796 40960 43495 69592 81920 86990 139184 163840 173980 278368 347960 556736 695920 1113472 1391840 2226944 2783680 4453888 5567360 8907776 11134720 17815552 22269440 35631104 44538880 71262208 75672601 89077760 142524416 151345202 178155520 285048832 302690404 356311040 378363005 605380808 712622080 756726010 1210761616 1425244160 1513452020 2421523232 3026904040 4843046464 6053808080 9686092928 12107616160 19372185856 24215232320 38744371712 48430464640 77488743424 96860929280 154977486848 193721858560 309954973696 387443717120 619909947392 774887434240 1239819894784 1549774868480 2479639789568 3099549736960 6199099473920 12398198947840
• Sum of all divisors σ(n): 29758644366210
• Sum of proper divisors (its aliquot sum) s(n): 17360445418370
• 12398198947840 is an abundant number, because the sum of its proper divisors (17360445418370) is greater than itself. Its abundance is 4962246470530

Bases of 12398198947840

• Binary: 10110100011010101110001111101000000000000000₂
• Hexadecimal: 0xB46AE3E8000
• Base-36: 4E7NJJHTS

Squares and roots of 12398198947840

• 12398198947840 squared (12398198947840²) is 153715337150220883040665600
• 12398198947840 cubed (12398198947840³) is 1905793331322739416138375941853282304000
• The square root of 12398198947840 is 3521107.6308230057
• The cube root of 12398198947840 is 23144.7698738981

Scales and comparisons

• 12,398,198,947,840 seconds is equal to 394,224 years, 19 weeks, 4 days, 10 minutes, 40 seconds.
• To count from 1 to 12,398,198,947,840 would take you about nine hundred eighty-five thousand, five hundred sixty 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 12398198947840 cubic inches would be around 1928.7 feet tall.

Recreational maths with 12398198947840

• 12398198947840 backwards is 04874989189321
• The number of decimal digits it has is: 14
• The sum of 12398198947840's digits is 73
• More coming soon!