28372945 is an odd 8-digits composite number following 28372944
and preceding 28372946 . In scientific notation, it is written as 2.8372945 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 22698352 positive integers (up to 28372945) that are relatively prime to 28372945.
28372945 has 4 divisors, whose sum is 34047540
The reverse of 28372945 is 54927382
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million three hundred seventy-two thousand nine hundred forty-five
Scientific notation
2.8372945 × 10^7
Engineering notation
2.8372945 × 10^6
Prime Factorization
5 × 5674589
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28372945
Product of the distinct prime numbers
The prime factorization of 28372945 is 5 × 5674589.
Since it has a total of 2 prime factors.
2 , 2 , 39 , 63 , 919 , 907 , 7485 , 3884 , 79196 , 86464 , 88071 , 624274 , 3758158 , 2454037 , 32681064 , 84352231 , 71278963 , 148405399 , 9936859716 , 4969883850
n×2
56745890
n×3
85118835
n×4
113491780
n×5
141864725
n÷2
14186472.5
n÷3
9457648.3333333
n÷3
7093236.25
n÷5
5674589
n2
805024007973025
n3
2.2840901901898E+22
n4
6.4806365341295E+29
n5
1.8387474394785E+37
2 √n
5326.6260428155
3 √n
305.00114664086
4 √n
72.983738208011
5 √n
30.944315703941
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
-28372944
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 28372945 can be divided by 4 positive divisors.
The sum of these divisors (counting 28372945) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100001110111111010001
3
Ternary
1222101111100211
4
Quaternary
1230032333101
5
Quinary
24230413240
6
Senary
2452044121
8
Octal
154167721
10
Decimal
28372945
12
Duodecimal
9603641
16
Hexadecimal
1b0efd1
20
Vigesimal
8h6c75
36
Base36
gw4pd
md5
b044f01a37a096a9dde6c8849301dcae
sha1
45a421cf8823e859e14d78cac42335b183e45078
sha256
e9d3bfe3bfbd6b7eec3d45262eb57de60a3709ad3c8ec3bee459f51b95c5d2a5
sha512
66dc3975d5522ad072ada32c8ecee7dec80a1d6219857c75b4b7d15a3d377b74074b06cc3030f5a49bc395efa5c42297d895102744d322f89601dd4c1270569a
ripemd-160
b2a0b064d03ce875c21425316d19a033f7846854
Diameter
56745890
Circumference
178272471.14541
Area
2.5290575094115E+15
Volume
9.5675746155158E+22
Surface area
1.0116230037646E+16
Circumference
178272471.14541
Perimeter
113491780
Area
805024007973025
Diagonal
40125403.623466
Surface area
4830144047838150
Volume
2.2840901901898E+22
Space diagonal
49143382.300357
Perimeter
85118835
Area
3.485856207805E+14
Altitude
24571691.150179
Surface area
3.485856207805E+14
Volume
2.6918261038748E+21
Height
13375134.541155