28742458 is an even 8-digits composite number following 28742457
and preceding 28742459 . In scientific notation, it is written as 2.8742458 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 14222976 positive integers (up to 28742458) that are relatively prime to 28742458.
28742458 has 8 divisors, whose sum is 43558452
The reverse of 28742458 is 85424782
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million seven hundred forty-two thousand four hundred fifty-eight
Scientific notation
2.8742458 × 10^7
Engineering notation
2.8742458 × 10^6
Prime Factorization
2 × 97 × 148157
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28742458
Product of the distinct prime numbers
The prime factorization of 28742458 is 2 × 97 × 148157.
Since it has a total of 3 prime factors.
5 , 2 , 73 , 11 , 40 , 649 , 288 , 6686 , 79393 , 84585 , 968800 , 871565 , 2382642 , 4206941 , 94170955 , 42684027 , 824004178 , 73080620 , 4728672356 , 3902178804
n×2
57484916
n×3
86227374
n×4
114969832
n×5
143712290
n÷2
14371229
n÷3
9580819.3333333
n÷3
7185614.5
n÷5
5748491.6
n2
826128891881764
n3
2.3744974977498E+22
n4
6.8248894600179E+29
n5
1.9616409865921E+37
2 √n
5361.1993061254
3 √n
306.31949343404
4 √n
73.220211049446
5 √n
31.024499290975
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28742457
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28742458 can be divided by 8 positive divisors.
The sum of these divisors (counting 28742458) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101101001001100111010
3
Ternary
2000002021020111
4
Quaternary
1231221030322
5
Quinary
24324224313
6
Senary
2504014534
8
Octal
155511472
10
Decimal
28742458
12
Duodecimal
976144a
16
Hexadecimal
1b6933a
20
Vigesimal
8jcg2i
36
Base36
h41tm
md5
e1dc4c201fc2f3f0b7f7ac7f7f37c624
sha1
7fb228863cfe0ff3fb576a8f484ff8938544546d
sha256
f0bcfe9d333c7b3778b3a1c829bef2ea054d8e42de2c99e09dd92585b396b320
sha512
f9a1772a8b6b41207305c3941db2cf509dea84e3f9e263482ddc4106a336ec8cd9df2785e0946b1958e01fe19b0517cdc081e44e0387f92d607dd894eeeacc40
ripemd-160
08f57fbb4add9adee3f0c4ec3bffed739ff62f31
Diameter
57484916
Circumference
180594189.79783
Area
2.595360457654E+15
Volume
9.9462718598642E+22
Surface area
1.0381441830616E+16
Circumference
180594189.79783
Perimeter
114969832
Area
826128891881764
Diagonal
40647973.919539
Surface area
4956773351290584
Volume
2.3744974977498E+22
Space diagonal
49783397.590415
Perimeter
86227374
Area
3.5772430358495E+14
Altitude
24891698.795207
Surface area
3.5772430358495E+14
Volume
2.7983721376156E+21
Height
13549324.639846