28639969 is an odd 8-digits prime number following 28639968
and preceding 28639970 . In scientific notation, it is written as 2.8639969 × 10^7.
The sum of its digits is 52. It has a total of 1 prime factors and 2 positive divisors.
There are 28639968 positive integers (up to 28639969) that are relatively prime to 28639969.
28639969 has 2 divisors, whose sum is 28639970
The reverse of 28639969 is 96993682
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 52 Digital Root 7
Name
twenty-eight million six hundred thirty-nine thousand nine hundred sixty-nine
Scientific notation
2.8639969 × 10^7
Engineering notation
2.8639969 × 10^6
Prime Factorization
28639969
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
28639969 Product of the distinct prime numbers
The prime factorization of 28639969 is 28639969.
Since it has a total of 1 prime factors.
6 , 5 , 34 , 32 , 689 , 745 , 556 , 7336 , 69559 , 72185 , 815872 , 540871 , 3077811 , 1492029 , 66625343 , 20443427 , 395525707 , 327550853 , 4320880240 , 1519262575
n×2
57279938
n×3
85919907
n×4
114559876
n×5
143199845
n÷2
14319984.5
n÷3
9546656.3333333
n÷3
7159992.25
n÷5
5727993.8
n2
820247824320961
n3
2.349187226087E+22
n4
6.7280649330327E+29
n5
1.9269157111204E+37
2 √n5351.6323677921
3 √n305.95497151661
4 √n73.154851977105
5 √n31.002342418909
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
28639970 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
14319985 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5351.6324612215 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999301675 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28639969 can be divided by 2 positive divisors.
The sum of these divisors (counting 28639969) is 28639970, the average is 14319985.
Base
System
Value
2
Binary
1101101010000001011100001
3
Ternary
1222220001122121
4
Quaternary
1231100023201
5
Quinary
24312434334
6
Senary
2501504241
8
Octal
155201341
10
Decimal
28639969
12
Duodecimal
9712081
16
Hexadecimal
1b502e1
20
Vigesimal
8ijji9
36
Base36
h1uqp
md5
e0ee3a940a58bca694ce95a206002033
sha1
525a381003ca59606105533071dd7028127f5ce9
sha256
982c02538ba776c1e286f97368383c8c29eac42eb839084ed47e567b94878ee5
sha512
19d39826e09ebdeb9d041603a26c743cd22d0c10f65c834fe3e359e6512798df2eb999a2ec6b1e46adde18e7beb354a926e6823dc529157463f0edbf56691330
ripemd-160
6e8b48bc9128f093eaf77b32f11c74e5b623d78c
Diameter
57279938
Circumference
179950232.41888
Area
2.5768845390097E+15
Volume
9.8402524418424E+22
Surface area
1.0307538156039E+16
Circumference
179950232.41888
Perimeter
114559876
Area
820247824320961
Diagonal
40503032.585745
Surface area
4921486945925766
Volume
2.349187226087E+22
Space diagonal
49605881.435198
Perimeter
85919907
Area
3.5517772663043E+14
Altitude
24802940.717599
Surface area
3.5517772663043E+14
Volume
2.7685436964049E+21
Height
13501010.861915