28481700

Names of 28481700

• Cardinal: 28481700 can be written as Twenty-eight million, four hundred eighty-one thousand, seven hundred.

Scientific notation

• Scientific notation: 2.84817 × 10⁷

Factors of 28481700

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 199

Divisors of 28481700

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 10 12 13 15 20 25 26 30 39 50 52 60 65 67 75 78 100 109 130 134 150 156 195 201 218 260 268 300 325 327 335 390 402 436 545 650 654 670 780 804 871 975 1005 1090 1300 1308 1340 1417 1635 1675 1742 1950 2010 2180 2613 2725 2834 3270 3350 3484 3900 4020 4251 4355 5025 5226 5450 5668 6540 6700 7085 7303 8175 8502 8710 10050 10452 10900 13065 14170 14606 16350 17004 17420 20100 21255 21775 21909 26130 28340 29212 32700 35425 36515 42510 43550 43818 52260 65325 70850 73030 85020 87100 87636 94939 106275 109545 130650 141700 146060 182575 189878 212550 219090 261300 284817 365150 379756 425100 438180 474695 547725 569634 730300 949390 1095450 1139268 1424085 1898780 2190900 2373475 2848170 4746950 5696340 7120425 9493900 14240850 28481700
• Sum of all divisors σ(n): 90896960
• Sum of proper divisors (its aliquot sum) s(n): 62415260
• 28481700 is an abundant number, because the sum of its proper divisors (62415260) is greater than itself. Its abundance is 33933560

Bases of 28481700

• Binary: 1101100101001100010100100₂
• Hexadecimal: 0x1B298A4
• Base-36: GYGMC

Squares and roots of 28481700

• 28481700 squared (28481700²) is 811207234890000
• 28481700 cubed (28481700³) is 23104561101966513000000
• The square root of 28481700 is 5336.8248987577
• The cube root of 28481700 is 305.3903449707

Scales and comparisons

• 28,481,700 seconds is equal to 47 weeks, 15 hours, 35 minutes.
• To count from 1 to 28,481,700 would take you about eighteen 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 28481700 cubic inches would be around 25.4 feet tall.

Recreational maths with 28481700

• 28481700 backwards is 00718482
• 28481700 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28481700's digits is 30
• More coming soon!