19938828

Names of 19938828

• Cardinal: 19938828 can be written as Nineteen million, nine hundred thirty-eight thousand, eight hundred twenty-eight.

Scientific notation

• Scientific notation: 1.9938828 × 10⁷

Factors of 19938828

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 75

Divisors of 19938828

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 12 13 14 19 21 26 28 31 38 39 42 52 57 62 76 78 84 91 93 114 124 133 156 182 186 217 228 247 266 273 364 372 399 403 434 494 532 546 589 651 741 798 806 868 961 988 1092 1178 1209 1302 1482 1596 1612 1729 1767 1922 2356 2418 2604 2821 2883 2964 3458 3534 3844 4123 4836 5187 5642 5766 6727 6916 7068 7657 8246 8463 10374 11284 11532 12369 12493 13454 15314 16492 16926 18259 20181 20748 22971 24738 24986 26908 30628 33852 36518 37479 40362 45942 49476 49972 53599 54777 73036 74958 80724 87451 91884 107198 109554 127813 149916 160797 174902 214396 219108 237367 255626 262353 321594 349804 383439 474734 511252 524706 643188 712101 766878 949468 1049412 1424202 1533756 1661569 2848404 3323138 4984707 6646276 9969414 19938828
• Sum of all divisors σ(n): 62280960
• Sum of proper divisors (its aliquot sum) s(n): 42342132
• 19938828 is an abundant number, because the sum of its proper divisors (42342132) is greater than itself. Its abundance is 22403304

Bases of 19938828

• Binary: 1001100000011111000001100₂
• Hexadecimal: 0x1303E0C
• Base-36: BVCWC

Squares and roots of 19938828

• 19938828 squared (19938828²) is 397556862013584
• 19938828 cubed (19938828³) is 7926817891908585039552
• The square root of 19938828 is 4465.2914798477
• The cube root of 19938828 is 271.1647351053

Scales and comparisons

• 19,938,828 seconds is equal to 32 weeks, 6 days, 18 hours, 33 minutes, 48 seconds.
• To count from 1 to 19,938,828 would take you about forty-nine 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 19938828 cubic inches would be around 22.6 feet tall.

Recreational maths with 19938828

• 19938828 backwards is 82883991
• The number of decimal digits it has is: 8
• The sum of 19938828's digits is 48
• More coming soon!