28888939 is an odd 8-digits prime number following 28888938
and preceding 28888940 . In scientific notation, it is written as 2.8888939 × 10^7.
The sum of its digits is 55. It has a total of 1 prime factors and 2 positive divisors.
There are 28888938 positive integers (up to 28888939) that are relatively prime to 28888939.
28888939 has 2 divisors, whose sum is 28888940
The reverse of 28888939 is 93988882
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 55 Digital Root 1
Name
twenty-eight million eight hundred eighty-eight thousand nine hundred thirty-nine
Scientific notation
2.8888939 × 10^7
Engineering notation
2.8888939 × 10^6
Prime Factorization
28888939
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
28888939 Product of the distinct prime numbers
The prime factorization of 28888939 is 28888939.
Since it has a total of 1 prime factors.
6 , 2 , 22 , 35 , 774 , 791 , 8520 , 6904 , 26510 , 16687 , 377904 , 999880 , 7323530 , 6192541 , 81074611 , 39472784 , 431313085 , 675192047 , 2301226549 , 1519784992
n×2
57777878
n×3
86666817
n×4
115555756
n×5
144444695
n÷2
14444469.5
n÷3
9629646.3333333
n÷3
7222234.75
n÷5
5777787.8
n2
834570796545721
n3
2.4109864832591E+22
n4
6.9650841444696E+29
n5
2.0121389097945E+37
2 √n5374.8431605025
3 √n306.8389801662
4 √n73.313321848778
5 √n31.056057230821
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
28888940 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
14444470 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5374.8432535284 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999307694 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28888939 can be divided by 2 positive divisors.
The sum of these divisors (counting 28888939) is 28888940, the average is 14444470.
Base
System
Value
2
Binary
1101110001100111101101011
3
Ternary
2000100201011201
4
Quaternary
1232030331223
5
Quinary
24343421224
6
Senary
2511105031
8
Octal
156147553
10
Decimal
28888939
12
Duodecimal
9812177
16
Hexadecimal
1b8cf6b
20
Vigesimal
90b26j
36
Base36
h76uj
md5
60f570f22aff9c1afe70a776e633c069
sha1
351136a8163a067145fbaf73efa59415ec8341cd
sha256
c746fe559f1f4bb35f0e4b9a8948947d02e834ea8e2d66c662db21e8aef216f8
sha512
6896182a7f8ef56d6faabaa939443c58f3541063a8fb21d8bed089846c6390664b4b11eada5d7388525198b62cb0c2697b67383cab15de7f8fad6b0d6e33c071
ripemd-160
75ee39e85edef2eb5a82e0206cc6efb67db4b33f
Diameter
57777878
Circumference
181514557.06481
Area
2.6218814833286E+15
Volume
1.0099116564948E+23
Surface area
1.0487525933314E+16
Circumference
181514557.06481
Perimeter
115555756
Area
834570796545721
Diagonal
40855129.336369
Surface area
5007424779274326
Volume
2.4109864832591E+22
Space diagonal
50037110.124758
Perimeter
86666817
Area
3.613797555326E+14
Altitude
25018555.062379
Surface area
3.613797555326E+14
Volume
2.841374819436E+21
Height
13618376.445456