20409277428

Names of 20409277428

• Cardinal: 20409277428 can be written as Twenty billion, four hundred nine million, two hundred seventy-seven thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 2.0409277428 × 10¹⁰

Factors of 20409277428

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 859

Divisors of 20409277428

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 31 36 54 62 81 93 108 124 162 186 243 279 324 372 486 558 823 837 972 1116 1646 1674 2469 2511 3292 3348 4938 5022 7407 7533 9876 10044 14814 15066 22221 25513 29628 30132 44442 51026 66663 76539 88884 102052 133326 153078 199989 229617 266652 306156 399978 459234 677329 688851 799956 918468 1354658 1377702 2031987 2066553 2709316 2755404 4063974 4133106 6095961 6199659 8127948 8266212 12191922 12399318 18287883 20997199 24383844 24798636 36575766 41994398 54863649 62991597 73151532 83988796 109727298 125983194 164590947 188974791 219454596 251966388 329181894 377949582 566924373 658363788 755899164 1133848746 1700773119 2267697492 3401546238 5102319357 6803092476 10204638714 20409277428
• Sum of all divisors σ(n): 55293883008
• Sum of proper divisors (its aliquot sum) s(n): 34884605580
• 20409277428 is an abundant number, because the sum of its proper divisors (34884605580) is greater than itself. Its abundance is 14475328152

Bases of 20409277428

• Binary: 10011000000011111001101101111110100₂
• Hexadecimal: 0x4C07CDBF4
• Base-36: 9DJ5N90

Squares and roots of 20409277428

• 20409277428 squared (20409277428²) is 416538605133070295184
• 20409277428 cubed (20409277428³) is 8501251951632976511836108306752
• The square root of 20409277428 is 142861.0423733495
• The cube root of 20409277428 is 2732.8085623467

Scales and comparisons

• 20,409,277,428 seconds is equal to 648 years, 49 weeks, 3 days, 11 hours, 43 minutes, 48 seconds.
• To count from 1 to 20,409,277,428 would take you about one thousand, two hundred ninety-seven 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 20409277428 cubic inches would be around 227.7 feet tall.

Recreational maths with 20409277428

• 20409277428 backwards is 82477290402
• The number of decimal digits it has is: 11
• The sum of 20409277428's digits is 45
• More coming soon!