28928131 is an odd 8-digits composite number following 28928130
and preceding 28928132 . In scientific notation, it is written as 2.8928131 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 28896064 positive integers (up to 28928131) that are relatively prime to 28928131.
28928131 has 4 divisors, whose sum is 28960200
The reverse of 28928131 is 13182982
Previous prime number is 929
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-eight million nine hundred twenty-eight thousand one hundred thirty-one
Scientific notation
2.8928131 × 10^7
Engineering notation
2.8928131 × 10^6
Prime Factorization
929 × 31139
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28928131
Product of the distinct prime numbers
The prime factorization of 28928131 is 929 × 31139.
Since it has a total of 2 prime factors.
10 , 1 , 83 , 75 , 878 , 739 , 8621 , 5645 , 2713 , 69996 , 753580 , 77249 , 4717790 , 2995012 , 92729134 , 85824919 , 161376495 , 514846958 , 3604085978 , 9800997044
n×2
57856262
n×3
86784393
n×4
115712524
n×5
144640655
n÷2
14464065.5
n÷3
9642710.3333333
n÷3
7232032.75
n÷5
5785626.2
n2
836836763153161
n3
2.4208123510111E+22
n4
7.0029576816466E+29
n5
2.0258247720213E+37
2 √n
5378.4877986289
3 √n
306.97767453222
4 √n
73.338174224812
5 √n
31.064479063392
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28928130
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28928131 can be divided by 4 positive divisors.
The sum of these divisors (counting 28928131) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101110010110100010000011
3
Ternary
2000102200221021
4
Quaternary
1232112202003
5
Quinary
24401200011
6
Senary
2512010311
8
Octal
156264203
10
Decimal
28928131
12
Duodecimal
9830997
16
Hexadecimal
1b96883
20
Vigesimal
90g06b
36
Base36
h8137
md5
50617d8dbe67ecadfdddcca819b9dda9
sha1
b5c7c573431af1b469c0f7bc4197ad9bdfcfb946
sha256
22e60059eb4d24cf26539c32c6cc0b920b6e738cb3c643290efb355eac7d1176
sha512
234739996204ccc76b9178434d90705ed273bf9c9fbea5141de07fb8a83760abce41de31967f0438b1275adc16030116e5fead274ee1347e7c40ef83846548fc
ripemd-160
9bd7193f32f5eba341a9f6578527ccdc852eb3d2
Diameter
57856262
Circumference
181760807.66337
Area
2.6290002273758E+15
Volume
1.0140275063541E+23
Surface area
1.0516000909503E+16
Circumference
181760807.66337
Perimeter
115712524
Area
836836763153161
Diagonal
40910555.194306
Surface area
5021020578918966
Volume
2.4208123510111E+22
Space diagonal
50104992.660008
Perimeter
86784393
Area
3.6236094785569E+14
Altitude
25052496.330004
Surface area
3.6236094785569E+14
Volume
2.8529547156335E+21
Height
13636851.731435