28420013916

Names of 28420013916

• Cardinal: 28420013916 can be written as Twenty-eight billion, four hundred twenty million, thirteen thousand, nine hundred sixteen.

Scientific notation

• Scientific notation: 2.8420013916 × 10¹⁰

Factors of 28420013916

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4946

Divisors of 28420013916

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 54 63 84 98 108 126 147 189 196 252 294 378 441 588 756 882 1323 1621 1764 2646 3242 3313 4863 5292 6484 6626 9726 9939 11347 13252 14589 19452 19878 22694 23191 29178 29817 34041 39756 43767 45388 46382 58356 59634 68082 69573 79429 87534 89451 92764 102123 119268 136164 139146 158858 162337 175068 178902 204246 208719 238287 278292 306369 317716 324674 357804 408492 417438 476574 487011 612738 626157 649348 714861 834876 953148 974022 1225476 1252314 1429722 1461033 1948044 2144583 2504628 2859444 2922066 4289166 4383099 5370373 5844132 8578332 8766198 10740746 16111119 17532396 21481492 32222238 37592611 48333357 64444476 75185222 96666714 112777833 145000071 150370444 193333428 225555666 263148277 290000142 338333499 451111332 526296554 580000284 676666998 789444831 1015000497 1052593108 1353333996 1578889662 2030000994 2368334493 3157779324 4060001988 4736668986 7105003479 9473337972 14210006958 28420013916
• Sum of all divisors σ(n): 85789915680
• Sum of proper divisors (its aliquot sum) s(n): 57369901764
• 28420013916 is an abundant number, because the sum of its proper divisors (57369901764) is greater than itself. Its abundance is 28949887848

Bases of 28420013916

• Binary: 11010011101111101101111111101011100₂
• Hexadecimal: 0x69DF6FF5C
• Base-36: D20JJ30

Squares and roots of 28420013916

• 28420013916 squared (28420013916²) is 807697190985633655056
• 28420013916 cubed (28420013916³) is 22954765407725818232769463759296
• The square root of 28420013916 is 168582.3653766905
• The cube root of 28420013916 is 3051.6971264689

Scales and comparisons

• 28,420,013,916 seconds is equal to 903 years, 34 weeks, 5 days, 8 hours, 18 minutes, 36 seconds.
• To count from 1 to 28,420,013,916 would take you about one thousand, eight hundred 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 28420013916 cubic inches would be around 254.3 feet tall.

Recreational maths with 28420013916

• 28420013916 backwards is 61931002482
• 28420013916 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28420013916's digits is 36
• More coming soon!