28431767428

Names of 28431767428

• Cardinal: 28431767428 can be written as Twenty-eight billion, four hundred thirty-one million, seven hundred sixty-seven thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 2.8431767428 × 10¹⁰

Factors of 28431767428

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1387

Divisors of 28431767428

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 19 31 38 61 62 76 122 124 181 244 362 589 724 1093 1159 1178 1891 2186 2318 2356 3439 3782 4372 4636 5611 6878 7564 11041 11222 13756 20767 22082 22444 33883 35929 41534 44164 66673 67766 71858 83068 106609 133346 135532 143716 197833 209779 213218 266692 342271 395666 419558 426436 643777 684542 791332 839116 1266787 1287554 1369084 2066863 2533574 2575108 3758827 4133726 5067148 6132823 6503149 7517654 8267452 12067813 12265646 13006298 15035308 24135626 24531292 26012596 39270397 48271252 78540794 116523637 157081588 229288447 233047274 374102203 458576894 466094548 748204406 917153788 1496408812 7107941857 14215883714 28431767428
• Sum of all divisors σ(n): 55304238080
• Sum of proper divisors (its aliquot sum) s(n): 26872470652
• 28431767428 is a deficient number, because the sum of its proper divisors (26872470652) is less than itself. Its deficiency is 1559296776

Bases of 28431767428

• Binary: 11010011110101010100101011110000100₂
• Hexadecimal: 0x69EAA5784
• Base-36: D27JG5G

Squares and roots of 28431767428

• 28431767428 squared (28431767428²) is 808365399079881735184
• 28431767428 cubed (28431767428³) is 22983257023481602688496572786752
• The square root of 28431767428 is 168617.2216234155
• The cube root of 28431767428 is 3052.1177597995

Scales and comparisons

• 28,431,767,428 seconds is equal to 904 years, 2 weeks, 1 day, 9 hours, 10 minutes, 28 seconds.
• To count from 1 to 28,431,767,428 would take you about one thousand, eight hundred eight 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 28431767428 cubic inches would be around 254.3 feet tall.

Recreational maths with 28431767428

• 28431767428 backwards is 82476713482
• The number of decimal digits it has is: 11
• The sum of 28431767428's digits is 52
• More coming soon!