20428002

Names of 20428002

• Cardinal: 20428002 can be written as Twenty million, four hundred twenty-eight thousand and two.

Scientific notation

• Scientific notation: 2.0428002 × 10⁷

Factors of 20428002

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 107

Divisors of 20428002

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 7 9 14 18 19 21 23 38 42 46 49 53 57 63 69 98 106 114 126 133 138 147 159 161 171 207 266 294 318 322 342 371 399 414 437 441 477 483 742 798 874 882 931 954 966 1007 1113 1127 1197 1219 1311 1449 1862 2014 2226 2254 2394 2438 2597 2622 2793 2898 3021 3059 3339 3381 3657 3933 5194 5586 6042 6118 6678 6762 7049 7314 7791 7866 8379 8533 9063 9177 10143 10971 14098 15582 16758 17066 18126 18354 20286 21147 21413 21942 23161 23373 25599 27531 42294 42826 46322 46746 49343 51198 55062 59731 63441 64239 69483 76797 98686 119462 126882 128478 138966 148029 153594 162127 179193 192717 208449 296058 324254 358386 385434 416898 444087 486381 537579 888174 972762 1075158 1134889 1459143 2269778 2918286 3404667 6809334 10214001 20428002
• Sum of all divisors σ(n): 57620160
• Sum of proper divisors (its aliquot sum) s(n): 37192158
• 20428002 is an abundant number, because the sum of its proper divisors (37192158) is greater than itself. Its abundance is 16764156

Bases of 20428002

• Binary: 1001101111011010011100010₂
• Hexadecimal: 0x137B4E2
• Base-36: C5UCI

Squares and roots of 20428002

• 20428002 squared (20428002²) is 417303265712004
• 20428002 cubed (20428002³) is 8524671946571349136008
• The square root of 20428002 is 4519.7347267289
• The cube root of 20428002 is 273.3644048887

Scales and comparisons

• 20,428,002 seconds is equal to 33 weeks, 5 days, 10 hours, 26 minutes, 42 seconds.
• To count from 1 to 20,428,002 would take you about fifty 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 20428002 cubic inches would be around 22.8 feet tall.

Recreational maths with 20428002

• 20428002 backwards is 20082402
• 20428002 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20428002's digits is 18
• More coming soon!