28931214 is an even 8-digits composite number following 28931213
and preceding 28931215 . In scientific notation, it is written as 2.8931214 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 8778240 positive integers (up to 28931214) that are relatively prime to 28931214.
28931214 has 32 divisors, whose sum is 63179424
The reverse of 28931214 is 41213982
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-eight million nine hundred thirty-one thousand two hundred fourteen
Scientific notation
2.8931214 × 10^7
Engineering notation
2.8931214 × 10^6
Prime Factorization
2 × 13 × 3 × 73 × 5081
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28931214
Product of the distinct prime numbers
The prime factorization of 28931214 is 2 × 13 × 3 × 73 × 5081.
Since it has a total of 5 prime factors.
1 , 4 , 78 , 80 , 106 , 825 , 5007 , 9303 , 54521 , 44389 , 217400 , 487643 , 3192953 , 3884447 , 87392673 , 32175494 , 510213253 , 116180782 , 7406798093 , 7461168113
n×2
57862428
n×3
86793642
n×4
115724856
n×5
144656070
n÷2
14465607
n÷3
9643738
n÷3
7232803.5
n÷5
5786242.8
n2
837015143513796
n3
2.4215864238238E+22
n4
7.0059435047142E+29
n5
2.026904508068E+37
2 √n
5378.7743957151
3 √n
306.98857947167
4 √n
73.340128140842
5 √n
31.065141171196
1 , 2 , 3 , 6 , 13 , 26 , 39 , 73 , 78 , 146 , 219 , 438 , 949 , 1898 , 2847 , 5081 , 5694 , 10162 , 15243 , 30486 , 66053 , 132106 , 198159 , 370913 , 396318 , 741826 , 1112739 , 2225478 , 4821869 , 9643738 , 14465607 , 28931214
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28931213
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28931214 can be divided by 32 positive divisors.
The sum of these divisors (counting 28931214) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101110010111010010001110
3
Ternary
2000102212011110
4
Quaternary
1232113102032
5
Quinary
24401244324
6
Senary
2512032450
8
Octal
156272216
10
Decimal
28931214
12
Duodecimal
9832726
16
Hexadecimal
1b9748e
20
Vigesimal
90g80e
36
Base36
h83gu
md5
95ae6a4f151b6a2de0da3d9229ab930a
sha1
6814bd3d034d167c4036785d3d7aaa7170bdb974
sha256
1c933cd162958c0c2994887e61bd02ed9a45a298f50544385f90546064320b6e
sha512
4323c8185a9f2fc257c85e7292c46547044f843b53ab70519505ded7e390309d9870b866bb507dad748cc4235d2b2fe01274f775c291279ea5c2f1edee44e066
ripemd-160
b72cb0ac115967c25326b06c4bc19b822ada4925
Diameter
57862428
Circumference
181780178.72367
Area
2.6295606258063E+15
Volume
1.0143517492157E+23
Surface area
1.0518242503225E+16
Circumference
181780178.72367
Perimeter
115724856
Area
837015143513796
Diagonal
40914915.214718
Surface area
5022090861082776
Volume
2.4215864238238E+22
Space diagonal
50110332.572648
Perimeter
86793642
Area
3.6243818881761E+14
Altitude
25055166.286324
Surface area
3.6243818881761E+14
Volume
2.8538669691919E+21
Height
13638305.071573