28431145 is an odd 8-digits composite number following 28431144
and preceding 28431146 . In scientific notation, it is written as 2.8431145 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 22744912 positive integers (up to 28431145) that are relatively prime to 28431145.
28431145 has 4 divisors, whose sum is 34117380
The reverse of 28431145 is 54113482
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-eight million four hundred thirty-one thousand one hundred forty-five
Scientific notation
2.8431145 × 10^7
Engineering notation
2.8431145 × 10^6
Prime Factorization
5 × 5686229
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28431145
Product of the distinct prime numbers
The prime factorization of 28431145 is 5 × 5686229.
Since it has a total of 2 prime factors.
5 , 4 , 20 , 29 , 342 , 418 , 35 , 4722 , 47359 , 76207 , 281998 , 567176 , 2400917 , 5969637 , 40236167 , 86562736 , 765051172 , 895708307 , 6926975066 , 5483322433
n×2
56862290
n×3
85293435
n×4
113724580
n×5
142155725
n÷2
14215572.5
n÷3
9477048.3333333
n÷3
7107786.25
n÷5
5686229
n2
808330006011025
n3
2.298174760875E+22
n4
6.5339739861778E+29
n5
1.8576836182725E+37
2 √n
5332.0863646419
3 √n
305.20954873254
4 √n
73.021136423928
5 √n
30.957000205343
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28431144
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28431145 can be divided by 4 positive divisors.
The sum of these divisors (counting 28431145) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100011101001100101001
3
Ternary
1222111110012101
4
Quaternary
1230131030221
5
Quinary
24234244040
6
Senary
2453213401
8
Octal
154351451
10
Decimal
28431145
12
Duodecimal
9631261
16
Hexadecimal
1b1d329
20
Vigesimal
8hdhh5
36
Base36
gxdm1
md5
58572100df87bbdd0d9aee54abefd332
sha1
cf1b7fc0a946cd6f3a8e2e456efd0e5689aaee71
sha256
7180a68458f3b0d9f21e46aca1609f1e4d03137ed3b9befe256f4053de3072e8
sha512
2682c30c8490a96b1a211deb5181ade61a4330cc7a846b0938d84aee00a6452bff7a2eaf852851d0978e3fbae345fd748f2c8c585ba4ebf72d758e5025527628
ripemd-160
0e93226a9459f843ee02d872181e228a9906f539
Diameter
56862290
Circumference
178638152.53029
Area
2.5394436085604E+15
Volume
9.6265719272406E+22
Surface area
1.0157774434242E+16
Circumference
178638152.53029
Perimeter
113724580
Area
808330006011025
Diagonal
40207710.852796
Surface area
4849980036066150
Volume
2.298174760875E+22
Space diagonal
49244187.657358
Perimeter
85293435
Area
3.5001715992339E+14
Altitude
24622093.828679
Surface area
3.5001715992339E+14
Volume
2.7084249296108E+21
Height
13402570.284265