28190370

Names of 28190370

• Cardinal: 28190370 can be written as Twenty-eight million, one hundred ninety thousand, three hundred seventy.

Scientific notation

• Scientific notation: 2.819037 × 10⁷

Factors of 28190370

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 107

Divisors of 28190370

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 10 13 15 26 30 39 41 43 65 78 82 86 123 129 130 195 205 215 246 258 390 410 430 533 559 615 645 1066 1118 1230 1290 1599 1677 1681 1763 2665 2795 3198 3354 3362 3526 5043 5289 5330 5590 7995 8385 8405 8815 10086 10578 15990 16770 16810 17630 21853 22919 25215 26445 43706 45838 50430 52890 65559 68757 72283 109265 114595 131118 137514 144566 216849 218530 229190 327795 343785 361415 433698 655590 687570 722830 939679 1084245 1879358 2168490 2819037 4698395 5638074 9396790 14095185 28190370
• Sum of all divisors σ(n): 76418496
• Sum of proper divisors (its aliquot sum) s(n): 48228126
• 28190370 is an abundant number, because the sum of its proper divisors (48228126) is greater than itself. Its abundance is 20037756

Bases of 28190370

• Binary: 1101011100010011010100010₂
• Hexadecimal: 0x1AE26A2
• Base-36: GS7TU

Squares and roots of 28190370

• 28190370 squared (28190370²) is 794696960736900
• 28190370 cubed (28190370³) is 22402801361048683653000
• The square root of 28190370 is 5309.4604245629
• The cube root of 28190370 is 304.3455284623

Scales and comparisons

• 28,190,370 seconds is equal to 46 weeks, 4 days, 6 hours, 39 minutes, 30 seconds.
• To count from 1 to 28,190,370 would take you about seventeen 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 28190370 cubic inches would be around 25.4 feet tall.

Recreational maths with 28190370

• 28190370 backwards is 07309182
• 28190370 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28190370's digits is 30
• More coming soon!