28897427 is an odd 8-digits composite number following 28897426
and preceding 28897428 . In scientific notation, it is written as 2.8897427 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 25754400 positive integers (up to 28897427) that are relatively prime to 28897427.
28897427 has 8 divisors, whose sum is 32193840
The reverse of 28897427 is 72479882
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty-eight million eight hundred ninety-seven thousand four hundred twenty-seven
Scientific notation
2.8897427 × 10^7
Engineering notation
2.8897427 × 10^6
Prime Factorization
13 × 29 × 76651
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28897427
Product of the distinct prime numbers
The prime factorization of 28897427 is 13 × 29 × 76651.
Since it has a total of 3 prime factors.
2 , 1 , 69 , 31 , 312 , 642 , 4252 , 3423 , 46901 , 1257 , 589394 , 921965 , 2755328 , 3654142 , 84560119 , 46635777 , 560028234 , 86071075 , 2188434478 , 71304968
n×2
57794854
n×3
86692281
n×4
115589708
n×5
144487135
n÷2
14448713.5
n÷3
9632475.6666667
n÷3
7224356.75
n÷5
5779485.4
n2
835061287220329
n3
2.4131122587975E+22
n4
6.9732735341407E+29
n5
2.0150966290386E+37
2 √n
5375.6327069472
3 √n
306.86902850904
4 √n
73.318706391665
5 √n
31.057881962695
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
-28897426
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 28897427 can be divided by 8 positive divisors.
The sum of these divisors (counting 28897427) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110001111000010010011
3
Ternary
2000101010211002
4
Quaternary
1232033002103
5
Quinary
24344204202
6
Senary
2511212215
8
Octal
156170223
10
Decimal
28897427
12
Duodecimal
981706b
16
Hexadecimal
1b8f093
20
Vigesimal
90c3b7
36
Base36
h7deb
md5
d2e27f63169efc9aa9857ec3d216cf57
sha1
57a0fd68d13f9cb552e6f8af6ea0efd72115745d
sha256
356db0ed83ac2c9613289928a070ecf750aef75036319c27e12ba33680ec1c1e
sha512
51250300b952fb9d7a5c77fea0ec7c35f8e482140fe5427a9b123ef0c70bfcdc8145c9b0e8223d662a2cc8965a268cdd0a109d8dd7e90c433535d6cd788ba59b
ripemd-160
99b9eaf306837637490affd3bd2dda3463d71e1a
Diameter
57794854
Circumference
181567888.74169
Area
2.6234224052286E+15
Volume
1.0108020992701E+23
Surface area
1.0493689620914E+16
Circumference
181567888.74169
Perimeter
115589708
Area
835061287220329
Diagonal
40867133.181086
Surface area
5010367723321974
Volume
2.4131122587975E+22
Space diagonal
50051811.772013
Perimeter
86692281
Area
3.6159214422487E+14
Altitude
25025905.886006
Surface area
3.6159214422487E+14
Volume
2.8438800699336E+21
Height
13622377.727029