42789947838

Names of 42789947838

• Cardinal: 42789947838 can be written as Forty-two billion, seven hundred eighty-nine million, nine hundred forty-seven thousand, eight hundred thirty-eight.

Scientific notation

• Scientific notation: 4.2789947838 × 10¹⁰

Factors of 42789947838

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3462

Divisors of 42789947838

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 11 22 31 33 43 62 66 86 93 129 151 186 258 302 341 453 473 682 906 946 1023 1333 1419 1661 2046 2666 2838 3221 3322 3999 4681 4983 6442 6493 7998 9362 9663 9966 12986 14043 14663 19326 19479 28086 29326 35431 38958 43989 51491 70862 71423 87978 99851 102982 106293 138503 142846 154473 199702 201283 212586 214269 277006 299553 308946 402566 415509 428538 486371 599106 603849 831018 972742 1098361 1207698 1459113 1523533 2196722 2214113 2918226 3047066 3295083 4293593 4428226 4570599 5350081 6590166 6642339 8587186 9141198 10700162 12880779 13284678 15077501 16050243 20913953 25761558 30155002 32100486 41827906 45232503 47229523 62741859 90465006 94459046 125483718 141688569 165852511 230053483 283377138 331705022 460106966 497557533 648332543 690160449 995115066 1296665086 1380320898 1944997629 3889995258 7131657973 14263315946 21394973919 42789947838
• Sum of all divisors σ(n): 99296575488
• Sum of proper divisors (its aliquot sum) s(n): 56506627650
• 42789947838 is an abundant number, because the sum of its proper divisors (56506627650) is greater than itself. Its abundance is 13716679812

Bases of 42789947838

• Binary: 100111110110011110101100100110111110₂
• Hexadecimal: 0x9F67AC9BE
• Base-36: JNO1326

Squares and roots of 42789947838

• 42789947838 squared (42789947838²) is 1830979635978760874244
• 42789947838 cubed (42789947838³) is 78347523115971405884776037684472
• The square root of 42789947838 is 206857.3127496343
• The cube root of 42789947838 is 3497.6841234271

Scales and comparisons

• 42,789,947,838 seconds is equal to 1,360 years, 30 weeks, 4 days, 37 minutes, 18 seconds.
• To count from 1 to 42,789,947,838 would take you about two thousand, seven hundred twenty-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 42789947838 cubic inches would be around 291.5 feet tall.

Recreational maths with 42789947838

• 42789947838 backwards is 83874998724
• The number of decimal digits it has is: 11
• The sum of 42789947838's digits is 69
• More coming soon!