1994809767840

Names of 1994809767840

• Cardinal: 1994809767840 can be written as One trillion, nine hundred ninety-four billion, eight hundred nine million, seven hundred sixty-seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.99480976784 × 10¹²

Factors of 1994809767840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1385284571

Divisors of 1994809767840

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 1385284561 2770569122 4155853683 5541138244 6926422805 8311707366 11082276488 12467561049 13852845610 16623414732 20779268415 22164552976 24935122098 27705691220 33246829464 41558536830 44329105952 49870244196 55411382440 62337805245 66493658928 83117073660 99740488392 110822764880 124675610490 132987317856 166234147320 199480976784 221645529760 249351220980 332468294640 398961953568 498702441960 664936589280 997404883920 1994809767840
• Sum of all divisors σ(n): 6807288337668
• Sum of proper divisors (its aliquot sum) s(n): 4812478569828
• 1994809767840 is an abundant number, because the sum of its proper divisors (4812478569828) is greater than itself. Its abundance is 2817668801988

Bases of 1994809767840

• Binary: 11101000001110011111011010111011110100000₂
• Hexadecimal: 0x1D073ED77A0
• Base-36: PGEI8BS0

Squares and roots of 1994809767840

• 1994809767840 squared (1994809767840²) is 3979266009869874698265600
• 1994809767840 cubed (1994809767840³) is 7937878705322127895457091586658304000
• The square root of 1994809767840 is 1412377.3461224871
• The cube root of 1994809767840 is 12588.3022528579

Scales and comparisons

• 1,994,809,767,840 seconds is equal to 63,428 years, 40 weeks, 4 days, 24 minutes.
• To count from 1 to 1,994,809,767,840 would take you about one hundred fifty-eight thousand, five hundred seventy-one 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 1994809767840 cubic inches would be around 1049 feet tall.

Recreational maths with 1994809767840

• 1994809767840 backwards is 0487679084991
• 1994809767840 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1994809767840's digits is 72
• More coming soon!