28742009 is an odd 8-digits prime number following 28742008
and preceding 28742010 . In scientific notation, it is written as 2.8742009 × 10^7.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 28742008 positive integers (up to 28742009) that are relatively prime to 28742009.
28742009 has 2 divisors, whose sum is 28742010
The reverse of 28742009 is 90024782
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-eight million seven hundred forty-two thousand nine
Scientific notation
2.8742009 × 10^7
Engineering notation
2.8742009 × 10^6
Prime Factorization
28742009
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
28742009
Product of the distinct prime numbers
The prime factorization of 28742009 is 28742009.
Since it has a total of 1 prime factors.
4 , 10 , 87 , 74 , 433 , 215 , 3866 , 7161 , 12549 , 30369 , 629480 , 260779 , 2928380 , 7837177 , 60458785 , 58414828 , 681867297 , 840987586 , 8909278669 , 2631912631
n×2
57484018
n×3
86226027
n×4
114968036
n×5
143710045
n÷2
14371004.5
n÷3
9580669.6666667
n÷3
7185502.25
n÷5
5748401.8
n2
826103081356081
n3
2.3743862199264E+22
n4
6.8244630102601E+29
n5
1.9614877726106E+37
2 √n
5361.1574310031
3 √n
306.31789837017
4 √n
73.219925095585
5 √n
31.024402360593
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
28742010
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
14371005
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5361.1575242666
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999304154
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28742009 can be divided by 2 positive divisors.
The sum of these divisors (counting 28742009) is 28742010, the average is 14371005.
Base
System
Value
2
Binary
1101101101001000101111001
3
Ternary
2000002020121212
4
Quaternary
1231221011321
5
Quinary
24324221014
6
Senary
2504012505
8
Octal
155510571
10
Decimal
28742009
12
Duodecimal
9761135
16
Hexadecimal
1b69179
20
Vigesimal
8jcf09
36
Base36
h41h5
md5
1a6fac1e4831d54a65f65743bc9c92e3
sha1
d3e0159100d8ca35d057f29bc365eb823bbdc5b0
sha256
3f85769eb00b9b69f9102441da1c78c06118caa535886beb543f2a9e4a267d82
sha512
3a74c383d09e66941afab1090afd974fa1246c51427b2054b8d3996761f86d447181a14965c1b3281b793ac59c6c1522797d3f335a584da30f88cba530034f0b
ripemd-160
ae700f11ac476fe26b1d4699eb8547d54b46679f
Diameter
57484018
Circumference
180591368.64762
Area
2.5952793714962E+15
Volume
9.9458057404076E+22
Surface area
1.0381117485985E+16
Circumference
180591368.64762
Perimeter
114968036
Area
826103081356081
Diagonal
40647338.93765
Surface area
4956618488136486
Volume
2.3743862199264E+22
Space diagonal
49782619.899602
Perimeter
86226027
Area
3.5771312729948E+14
Altitude
24891309.949801
Surface area
3.5771312729948E+14
Volume
2.7982409954431E+21
Height
13549112.979217