5438161664

Names of 5438161664

• Cardinal: 5438161664 can be written as Five billion, four hundred thirty-eight million, one hundred sixty-one thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 5.438161664 × 10⁹

Factors of 5438161664

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 111

Divisors of 5438161664

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 8 13 16 26 29 32 52 58 64 67 104 116 128 134 208 232 256 268 377 416 464 536 754 832 841 871 928 1072 1508 1664 1682 1742 1856 1943 2144 3016 3328 3364 3484 3712 3886 4288 6032 6728 6968 7424 7772 8576 10933 12064 13456 13936 15544 17152 21866 24128 24389 25259 26912 27872 31088 43732 48256 48778 50518 53824 55744 56347 62176 87464 96512 97556 101036 107648 111488 112694 124352 174928 195112 202072 215296 222976 225388 248704 317057 349856 390224 404144 450776 497408 634114 699712 732511 780448 808288 901552 1268228 1399424 1465022 1560896 1616576 1634063 1803104 2536456 2798848 2930044 3121792 3233152 3268126 3606208 5072912 5860088 6243584 6466304 6536252 7212416 10145824 11720176 13072504 14424832 20291648 21242819 23440352 26145008 40583296 42485638 46880704 52290016 81166592 84971276 93761408 104580032 169942552 187522816 209160064 339885104 418320128 679770208 1359540416 2719080832 5438161664
• Sum of all divisors σ(n): 12288282720
• Sum of proper divisors (its aliquot sum) s(n): 6850121056
• 5438161664 is an abundant number, because the sum of its proper divisors (6850121056) is greater than itself. Its abundance is 1411959392

Bases of 5438161664

• Binary: 101000100001000111100001100000000₂
• Hexadecimal: 0x14423C300
• Base-36: 2HXQOE8

Squares and roots of 5438161664

• 5438161664 squared (5438161664²) is 29573602283799248896
• 5438161664 cubed (5438161664³) is 160826030206139923618221522944
• The square root of 5438161664 is 73743.8923843867
• The cube root of 5438161664 is 1758.5337374681

Scales and comparisons

• 5,438,161,664 seconds is equal to 172 years, 47 weeks, 4 days, 16 hours, 27 minutes, 44 seconds.
• To count from 1 to 5,438,161,664 would take you about three 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 5438161664 cubic inches would be around 146.5 feet tall.

Recreational maths with 5438161664

• 5438161664 backwards is 4661618345
• The number of decimal digits it has is: 10
• The sum of 5438161664's digits is 44
• More coming soon!