16398445938

Names of 16398445938

• Cardinal: 16398445938 can be written as Sixteen billion, three hundred ninety-eight million, four hundred forty-five thousand, nine hundred thirty-eight.

Scientific notation

• Scientific notation: 1.6398445938 × 10¹⁰

Factors of 16398445938

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 819

Divisors of 16398445938

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 7 14 19 21 38 42 49 57 98 114 133 147 266 294 361 367 399 421 722 734 798 842 931 1083 1101 1263 1862 2166 2202 2526 2527 2569 2793 2947 5054 5138 5586 5894 6973 7581 7707 7999 8841 13946 15162 15414 15998 17682 17689 17983 20629 20919 23997 35378 35966 41258 41838 47994 48811 53067 53949 55993 61887 97622 106134 107898 111986 123774 132487 146433 151981 154507 167979 264974 292866 303962 309014 335958 341677 391951 397461 455943 463521 683354 783902 794922 911886 927042 927409 1025031 1063867 1081549 1175853 1854818 2050062 2127734 2163098 2351706 2782227 2935633 3191601 3244647 5564454 5871266 6383202 6489294 6491863 7447069 7570843 8806899 12983726 14894138 15141686 17613798 19475589 20549431 22341207 22712529 38951178 41098862 44682414 45425058 55777027 61648293 111554054 123296586 143846017 167331081 287692034 334662162 390439189 431538051 780878378 863076102 1171317567 2342635134 2733074323 5466148646 8199222969 16398445938
• Sum of all divisors σ(n): 40470758784
• Sum of proper divisors (its aliquot sum) s(n): 24072312846
• 16398445938 is an abundant number, because the sum of its proper divisors (24072312846) is greater than itself. Its abundance is 7673866908

Bases of 16398445938

• Binary: 1111010001011011000110110101110010₂
• Hexadecimal: 0x3D16C6D72
• Base-36: 7J77LV6

Squares and roots of 16398445938

• 16398445938 squared (16398445938²) is 268909029181508699844
• 16398445938 cubed (16398445938³) is 4409690177273034803668503033672
• The square root of 16398445938 is 128056.4170121903
• The cube root of 16398445938 is 2540.5879318741

Scales and comparisons

• 16,398,445,938 seconds is equal to 521 years, 21 weeks, 5 days, 19 hours, 52 minutes, 18 seconds.
• To count from 1 to 16,398,445,938 would take you about one thousand and forty-two 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 16398445938 cubic inches would be around 211.7 feet tall.

Recreational maths with 16398445938

• 16398445938 backwards is 83954489361
• The number of decimal digits it has is: 11
• The sum of 16398445938's digits is 60
• More coming soon!