28742771 is an odd 8-digits prime number following 28742770
and preceding 28742772 . In scientific notation, it is written as 2.8742771 × 10^7.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 28742770 positive integers (up to 28742771) that are relatively prime to 28742771.
28742771 has 2 divisors, whose sum is 28742772
The reverse of 28742771 is 17724782
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 38 Digital Root 2
Name
twenty-eight million seven hundred forty-two thousand seven hundred seventy-one
Scientific notation
2.8742771 × 10^7
Engineering notation
2.8742771 × 10^6
Prime Factorization
28742771
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
28742771 Product of the distinct prime numbers
The prime factorization of 28742771 is 28742771.
Since it has a total of 1 prime factors.
5 , 4 , 32 , 32 , 788 , 286 , 8723 , 1624 , 18741 , 4310 , 511178 , 274556 , 884832 , 7554630 , 33131888 , 54632318 , 767274281 , 456531534 , 2428146219 , 9114501918
n×2
57485542
n×3
86228313
n×4
114971084
n×5
143713855
n÷2
14371385.5
n÷3
9580923.6666667
n÷3
7185692.75
n÷5
5748554.2
n2
826146884758441
n3
2.3745750720975E+22
n4
6.8251867519608E+29
n5
1.9617477984384E+37
2 √n5361.2284972756
3 √n306.3206053507
4 √n73.220410387238
5 √n31.024566860881
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
28742772 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
14371386 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5361.2285905378 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999304173 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28742771 can be divided by 2 positive divisors.
The sum of these divisors (counting 28742771) is 28742772, the average is 14371386.
Base
System
Value
2
Binary
1101101101001010001110011
3
Ternary
2000002021200002
4
Quaternary
1231221101303
5
Quinary
24324232041
6
Senary
2504020215
8
Octal
155512163
10
Decimal
28742771
12
Duodecimal
976166b
16
Hexadecimal
1b69473
20
Vigesimal
8jcgib
36
Base36
h422b
md5
2ae5b68ab7043368cd3f8732d9c1ecee
sha1
fabb5cc974f014a0c59baff15bb1c160a6db0647
sha256
9e7f29fdc321ec7e3053e16f136faf73e581444deca8b7f85394793917aaa86a
sha512
5dc011cfc5ee50352eaee1c05d6e69bb89d3fc09441a8fe6a5b268ecc331ee57502c2eca18d97b84c108f05d472e3d1e4bd7b9e080fccd0f28030c05aed82f05
ripemd-160
17812a544eff6dc3222ebe9bfe715235709c6b76
Diameter
57485542
Circumference
180596156.43483
Area
2.5954169839432E+15
Volume
9.9465968025321E+22
Surface area
1.0381667935773E+16
Circumference
180596156.43483
Perimeter
114971084
Area
826146884758441
Diagonal
40648416.568384
Surface area
4956881308550646
Volume
2.3745750720975E+22
Space diagonal
49783939.722317
Perimeter
86228313
Area
3.5773209472909E+14
Altitude
24891969.861159
Surface area
3.5773209472909E+14
Volume
2.7984635598612E+21
Height
13549472.189461