28931839 is an odd 8-digits prime number following 28931838
and preceding 28931840 . In scientific notation, it is written as 2.8931839 × 10^7.
The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors.
There are 28931838 positive integers (up to 28931839) that are relatively prime to 28931839.
28931839 has 2 divisors, whose sum is 28931840
The reverse of 28931839 is 93813982
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-eight million nine hundred thirty-one thousand eight hundred thirty-nine
Scientific notation
2.8931839 × 10^7
Engineering notation
2.8931839 × 10^6
Prime Factorization
28931839
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
28931839
Product of the distinct prime numbers
The prime factorization of 28931839 is 28931839.
Since it has a total of 1 prime factors.
10 , 7 , 84 , 95 , 680 , 428 , 3925 , 2452 , 73357 , 89842 , 471516 , 591068 , 2214735 , 8783419 , 26164204 , 68270487 , 123629592 , 737170963 , 4132185763 , 7526316252
n×2
57863678
n×3
86795517
n×4
115727356
n×5
144659195
n÷2
14465919.5
n÷3
9643946.3333333
n÷3
7232959.75
n÷5
5786367.8
n2
837051307921921
n3
2.4217433675536E+22
n4
7.006548920938E+29
n5
2.027123453262E+37
2 √n
5378.8324941385
3 √n
306.99079007692
4 √n
73.340524228686
5 √n
31.065275389867
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
28931840
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
14465920
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5378.8325870955
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999930872
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28931839 can be divided by 2 positive divisors.
The sum of these divisors (counting 28931839) is 28931840, the average is 14465920.
Base
System
Value
2
Binary
1101110010111011011111111
3
Ternary
2000102220000121
4
Quaternary
1232113123333
5
Quinary
24401304324
6
Senary
2512035411
8
Octal
156273377
10
Decimal
28931839
12
Duodecimal
9832b67
16
Hexadecimal
1b976ff
20
Vigesimal
90g9bj
36
Base36
h83y7
md5
c038f42e1611080b26ca0541cdf857f7
sha1
a3df4a3713e4bacc4b9b76006bcc9d877c9dea3b
sha256
1fe098133c1339fcacf0a40e47ae6bbab9ed696b79f51fe14d3f4f45ba004add
sha512
dd3d58160e27421b83176bcaef83477322849fa9ac1c0d33f4cfbc2a1ec8fd2eaa7121dc643420bda3015d84a1ee165fb2ca1d491033a061717eafa681064582
ripemd-160
5b8d6bd4249e3afcd06b45d0ff78bbc3688f584a
Diameter
57863678
Circumference
181784105.71449
Area
2.6296742396452E+15
Volume
1.0144174896515E+23
Surface area
1.0518696958581E+16
Circumference
181784105.71449
Perimeter
115727356
Area
837051307921921
Diagonal
40915799.098195
Surface area
5022307847531526
Volume
2.4217433675536E+22
Space diagonal
50111415.104403
Perimeter
86795517
Area
3.6245384846569E+14
Altitude
25055707.552201
Surface area
3.6245384846569E+14
Volume
2.8540519291512E+21
Height
13638599.699398