1938989514

Names of 1938989514

• Cardinal: 1938989514 can be written as One billion, nine hundred thirty-eight million, nine hundred eighty-nine thousand, five hundred fourteen.

Scientific notation

• Scientific notation: 1.938989514 × 10⁹

Factors of 1938989514

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1820

Divisors of 1938989514

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 7 11 14 21 22 33 37 42 66 67 74 77 111 134 154 201 222 231 259 402 407 462 469 518 737 777 814 938 1221 1407 1474 1554 1693 2211 2442 2479 2814 2849 3386 4422 4958 5079 5159 5698 7437 8547 10158 10318 11851 14874 15477 17094 17353 18623 23702 27269 30954 34706 35553 37246 52059 54538 55869 62641 71106 81807 104118 111738 113431 125282 130361 163614 187923 190883 226862 260722 340293 375846 381766 391083 438487 572649 680586 689051 782166 794017 876974 1145298 1247741 1315461 1378102 1588034 2067153 2382051 2495482 2630922 3743223 4134306 4196947 4764102 4823357 7486446 8393894 8734187 9646714 12590841 14470071 17468374 25181682 26202561 28940142 29378629 46166417 52405122 58757258 88135887 92332834 138499251 176271774 276998502 323164919 646329838 969494757 1938989514
• Sum of all divisors σ(n): 5042644992
• Sum of proper divisors (its aliquot sum) s(n): 3103655478
• 1938989514 is an abundant number, because the sum of its proper divisors (3103655478) is greater than itself. Its abundance is 1164665964

Bases of 1938989514

• Binary: 1110011100100101010000111001010₂
• Hexadecimal: 0x7392A1CA
• Base-36: W2F9VU

Squares and roots of 1938989514

• 1938989514 squared (1938989514²) is 3759680335401956196
• 1938989514 cubed (1938989514³) is 7289980746336396039131328744
• The square root of 1938989514 is 44033.9586455725
• The cube root of 1938989514 is 1246.9771253291

Scales and comparisons

• 1,938,989,514 seconds is equal to 61 years, 34 weeks, 11 minutes, 54 seconds.
• To count from 1 to 1,938,989,514 would take you about one hundred twenty-three 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 1938989514 cubic inches would be around 103.9 feet tall.

Recreational maths with 1938989514

• 1938989514 backwards is 4159898391
• The number of decimal digits it has is: 10
• The sum of 1938989514's digits is 57
• More coming soon!