28430545 is an odd 8-digits composite number following 28430544
and preceding 28430546 . In scientific notation, it is written as 2.8430545 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 17955840 positive integers (up to 28430545) that are relatively prime to 28430545.
28430545 has 16 divisors, whose sum is 37402560
The reverse of 28430545 is 54503482
Previous prime number is 221
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-eight million four hundred thirty thousand five hundred forty-five
Scientific notation
2.8430545 × 10^7
Engineering notation
2.8430545 × 10^6
Prime Factorization
5 × 11 × 221 × 2339
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28430545
Product of the distinct prime numbers
The prime factorization of 28430545 is 5 × 11 × 221 × 2339.
Since it has a total of 4 prime factors.
5 , 5 , 98 , 25 , 765 , 569 , 2289 , 8164 , 17702 , 39020 , 284133 , 579523 , 960769 , 3509590 , 12500306 , 32098739 , 155182693 , 395037598 , 1954501837 , 14606529
n×2
56861090
n×3
85291635
n×4
113722180
n×5
142152725
n÷2
14215272.5
n÷3
9476848.3333333
n÷3
7107636.25
n÷5
5686109
n2
808295888997025
n3
2.2980292645445E+22
n4
6.5334224416949E+29
n5
1.8574876073262E+37
2 √n
5332.0301011904
3 √n
305.20740170895
4 √n
73.020751168352
5 √n
30.956869543304
1 , 5 , 11 , 55 , 221 , 1105 , 2339 , 2431 , 11695 , 12155 , 25729 , 128645 , 516919 , 2584595 , 5686109 , 28430545
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28430544
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28430545 can be divided by 16 positive divisors.
The sum of these divisors (counting 28430545) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100011101000011010001
3
Ternary
1222111102101011
4
Quaternary
1230131003101
5
Quinary
24234234140
6
Senary
2453210521
8
Octal
154350321
10
Decimal
28430545
12
Duodecimal
9630a41
16
Hexadecimal
1b1d0d1
20
Vigesimal
8hdg75
36
Base36
gxd5d
md5
78f8bfa653ae0cba5160b174969d9031
sha1
ff316e709ad1712b11b7899235a80c2219b740d4
sha256
fc3c69e9569b7dbe73cf8ba0f56fa2f3b9eba1c8982836ef1b61ccbcb8f643d5
sha512
fa173b725f582b2bb3fb94c6a39f48ac953e05701b06a86b201de78136bb8f6a81ecff7e195c4f06bd8595f2236ca0643351157b18ae355c60a625b6b514db78
ripemd-160
b27ce3ab183bb552543edf3564265feb95f8d3da
Diameter
56861090
Circumference
178634382.61911
Area
2.5393364267999E+15
Volume
9.6259624736364E+22
Surface area
1.01573457072E+16
Circumference
178634382.61911
Perimeter
113722180
Area
808295888997025
Diagonal
40206862.324659
Surface area
4849775333982150
Volume
2.2980292645445E+22
Space diagonal
49243148.426873
Perimeter
85291635
Area
3.5000238682298E+14
Altitude
24621574.213437
Surface area
3.5000238682298E+14
Volume
2.7082534605409E+21
Height
13402287.441553