13195728

Names of 13195728

• Cardinal: 13195728 can be written as Thirteen million, one hundred ninety-five thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.3195728 × 10⁷

Factors of 13195728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 97

Divisors of 13195728

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 19 21 24 26 28 36 38 39 42 48 52 53 56 57 63 72 76 78 84 91 104 106 112 114 117 126 133 144 152 156 159 168 171 182 208 212 228 234 247 252 266 273 304 312 318 336 342 364 371 399 424 456 468 477 494 504 532 546 624 636 684 689 728 741 742 798 819 848 912 936 954 988 1007 1008 1064 1092 1113 1197 1272 1368 1378 1456 1482 1484 1596 1638 1729 1872 1908 1976 2014 2067 2128 2184 2223 2226 2394 2544 2736 2756 2964 2968 3021 3192 3276 3339 3458 3816 3952 4028 4134 4368 4446 4452 4788 4823 5187 5512 5928 5936 6042 6201 6384 6552 6678 6916 7049 7632 8056 8268 8892 8904 9063 9576 9646 10374 11024 11856 12084 12402 13091 13104 13356 13832 14098 14469 15561 16112 16536 17784 17808 18126 19152 19292 20748 21147 24168 24804 26182 26712 27664 28196 28938 31122 33072 35568 36252 38584 39273 41496 42294 43407 48336 49608 52364 53424 56392 57876 62244 63441 72504 77168 78546 82992 84588 86814 91637 99216 104728 112784 115752 117819 124488 126882 145008 157092 169176 173628 183274 209456 231504 235638 248976 253764 274911 314184 338352 347256 366548 471276 507528 549822 628368 694512 733096 824733 942552 1015056 1099644 1466192 1649466 1885104 2199288 3298932 4398576 6597864 13195728
• Sum of all divisors σ(n): 48746880
• Sum of proper divisors (its aliquot sum) s(n): 35551152
• 13195728 is an abundant number, because the sum of its proper divisors (35551152) is greater than itself. Its abundance is 22355424

Bases of 13195728

• Binary: 110010010101100111010000₂
• Hexadecimal: 0xC959D0
• Base-36: 7UTW0

Squares and roots of 13195728

• 13195728 squared (13195728²) is 174127237449984
• 13195728 cubed (13195728³) is 2297735662781402468352
• The square root of 13195728 is 3632.5924626911
• The cube root of 13195728 is 236.3076520089

Scales and comparisons

• 13,195,728 seconds is equal to 21 weeks, 5 days, 17 hours, 28 minutes, 48 seconds.
• To count from 1 to 13,195,728 would take you about thirty-two 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 13195728 cubic inches would be around 19.7 feet tall.

Recreational maths with 13195728

• 13195728 backwards is 82759131
• 13195728 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13195728's digits is 36
• More coming soon!