131311128

Names of 131311128

• Cardinal: 131311128 can be written as One hundred thirty-one million, three hundred eleven thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.31311128 × 10⁸

Factors of 131311128

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1357

Divisors of 131311128

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 12 13 17 19 24 26 34 38 39 51 52 57 68 76 78 102 104 114 136 152 156 204 221 228 247 312 323 408 442 456 494 646 663 741 884 969 988 1292 1303 1326 1482 1768 1938 1976 2584 2606 2652 2964 3876 3909 4199 5212 5304 5928 7752 7818 8398 10424 12597 15636 16796 16939 22151 24757 25194 31272 33592 33878 44302 49514 50388 50817 66453 67756 74271 88604 99028 100776 101634 132906 135512 148542 177208 198056 203268 265812 287963 297084 321841 406536 420869 531624 575926 594168 643682 841738 863889 965523 1151852 1262607 1287364 1683476 1727778 1931046 2303704 2525214 2574728 3366952 3455556 3862092 5050428 5471297 6911112 7724184 10100856 10942594 16413891 21885188 32827782 43770376 65655564 131311128
• Sum of all divisors σ(n): 394329600
• Sum of proper divisors (its aliquot sum) s(n): 263018472
• 131311128 is an abundant number, because the sum of its proper divisors (263018472) is greater than itself. Its abundance is 131707344

Bases of 131311128

• Binary: 111110100111010011000011000₂
• Hexadecimal: 0x7D3A618
• Base-36: 266GBC

Squares and roots of 131311128

• 131311128 squared (131311128²) is 17242612336632384
• 131311128 cubed (131311128³) is 2264146875589914064369152
• The square root of 131311128 is 11459.1067714721
• The cube root of 131311128 is 508.2770617515

Scales and comparisons

• 131,311,128 seconds is equal to 4 years, 9 weeks, 19 hours, 18 minutes, 48 seconds.
• To count from 1 to 131,311,128 would take you about six 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 131311128 cubic inches would be around 42.4 feet tall.

Recreational maths with 131311128

• 131311128 backwards is 821113131
• The number of decimal digits it has is: 9
• The sum of 131311128's digits is 21
• More coming soon!