28839939 is an odd 8-digits composite number following 28839938
and preceding 28839940 . In scientific notation, it is written as 2.8839939 × 10^7.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 18095616 positive integers (up to 28839939) that are relatively prime to 28839939.
28839939 has 8 divisors, whose sum is 40715280
The reverse of 28839939 is 93993882
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
twenty-eight million eight hundred thirty-nine thousand nine hundred thirty-nine
Scientific notation
2.8839939 × 10^7
Engineering notation
2.8839939 × 10^6
Prime Factorization
3 × 17 × 565489
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28839939
Product of the distinct prime numbers
The prime factorization of 28839939 is 3 × 17 × 565489.
Since it has a total of 3 prime factors.
8 , 9 , 83 , 92 , 582 , 444 , 5457 , 9209 , 2828 , 53730 , 507149 , 170776 , 9186440 , 3875410 , 12093535 , 28226433 , 468379490 , 963723742 , 2704330831 , 9635177473
n×2
57679878
n×3
86519817
n×4
115359756
n×5
144199695
n÷2
14419969.5
n÷3
9613313
n÷3
7209984.75
n÷5
5767987.8
n2
831742081523721
n3
2.3987390894877E+22
n4
6.9179489017741E+29
n5
1.9951322433228E+37
2 √n
5370.2829534392
3 √n
306.66540025207
4 √n
73.282214441427
5 √n
31.045514923946
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
-28839938
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 28839939 can be divided by 8 positive divisors.
The sum of these divisors (counting 28839939) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110000001000000000011
3
Ternary
2000021012221220
4
Quaternary
1232001000003
5
Quinary
24340334224
6
Senary
2510050123
8
Octal
156010003
10
Decimal
28839939
12
Duodecimal
97a9943
16
Hexadecimal
1b81003
20
Vigesimal
904jgj
36
Base36
h651f
md5
5884fda935489fbd792dd77747c1ace6
sha1
cf775232cc638cdbb4a90e29a4851c42e07e12ec
sha256
9fa26123de6d313026fda6fdb916cd56c4eb53499d57113d272216ec8d8b8599
sha512
31f26431b1731b8de427d1180a1143728f8d040dc9be18ce10998681bbb4aa6110464692c24f994b96a8c37d382a109199fa54cd373d6ab4f98c315c85d22737
ripemd-160
4fa780fdc8724f0f4a234f6c6a36deecb4ba1348
Diameter
57679878
Circumference
181206680.98476
Area
2.6129948129964E+15
Volume
1.0047814801884E+23
Surface area
1.0451979251986E+16
Circumference
181206680.98476
Perimeter
115359756
Area
831742081523721
Diagonal
40785832.871813
Surface area
4990452489142326
Volume
2.3987390894877E+22
Space diagonal
49952239.635187
Perimeter
86519817
Area
3.6015488599804E+14
Altitude
24976119.817594
Surface area
3.6015488599804E+14
Volume
2.8269411274567E+21
Height
13595277.623938