28701648

Names of 28701648

• Cardinal: 28701648 can be written as Twenty-eight million, seven hundred one thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 2.8701648 × 10⁷

Factors of 28701648

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 113

Divisors of 28701648

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 29 36 48 54 58 72 79 87 108 116 144 158 174 216 232 237 261 316 348 432 464 474 522 632 696 711 783 841 948 1044 1264 1392 1422 1566 1682 1896 2088 2133 2291 2523 2844 3132 3364 3792 4176 4266 4582 5046 5688 6264 6728 6873 7569 8532 9164 10092 11376 12528 13456 13746 15138 17064 18328 20184 20619 22707 27492 30276 34128 36656 40368 41238 45414 54984 60552 61857 66439 82476 90828 109968 121104 123714 132878 164952 181656 199317 247428 265756 329904 363312 398634 494856 531512 597951 797268 989712 1063024 1195902 1594536 1793853 2391804 3189072 3587706 4783608 7175412 9567216 14350824 28701648
• Sum of all divisors σ(n): 86403200
• Sum of proper divisors (its aliquot sum) s(n): 57701552
• 28701648 is an abundant number, because the sum of its proper divisors (57701552) is greater than itself. Its abundance is 28999904

Bases of 28701648

• Binary: 1101101011111001111010000₂
• Hexadecimal: 0x1B5F3D0
• Base-36: H36C0

Squares and roots of 28701648

• 28701648 squared (28701648²) is 823784597915904
• 28701648 cubed (28701648³) is 23643975557203810209792
• The square root of 28701648 is 5357.3919027825
• The cube root of 28701648 is 306.1744487795

Scales and comparisons

• 28,701,648 seconds is equal to 47 weeks, 3 days, 4 hours, 40 minutes, 48 seconds.
• To count from 1 to 28,701,648 would take you about nineteen weeks!

  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 28701648 cubic inches would be around 25.5 feet tall.

Recreational maths with 28701648

• 28701648 backwards is 84610782
• 28701648 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28701648's digits is 36
• More coming soon!