28931656 is an even 8-digits composite number following 28931655
and preceding 28931657 . In scientific notation, it is written as 2.8931656 × 10^7.
The sum of its digits is 40. It has a total of 6 prime factors and 32 positive divisors.
There are 13292352 positive integers (up to 28931656) that are relatively prime to 28931656.
28931656 has 32 divisors, whose sum is 58685760
The reverse of 28931656 is 65613982
Previous prime number is 983
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million nine hundred thirty-one thousand six hundred fifty-six
Scientific notation
2.8931656 × 10^7
Engineering notation
2.8931656 × 10^6
Prime Factorization
2 × 2 × 2 × 13 × 983 × 283
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7232914
Product of the distinct prime numbers
The prime factorization of 28931656 is 2 × 2 × 2 × 13 × 983 × 283.
Since it has a total of 6 prime factors.
8 , 5 , 79 , 59 , 208 , 622 , 9635 , 4495 , 65959 , 60989 , 910614 , 886350 , 2997627 , 4737193 , 84594387 , 54996846 , 444995559 , 950039583 , 5492691643 , 5419103015
n×2
57863312
n×3
86794968
n×4
115726624
n×5
144658280
n÷2
14465828
n÷3
9643885.3333333
n÷3
7232914
n÷5
5786331.2
n2
837040718902336
n3
2.4216974137275E+22
n4
7.0063716510054E+29
n5
2.0270593441504E+37
2 √n
5378.8154829851
3 √n
306.990142815
4 √n
73.34040825483
5 √n
31.06523609088
1 , 2 , 4 , 8 , 13 , 26 , 52 , 104 , 283 , 566 , 983 , 1132 , 1966 , 2264 , 3679 , 3932 , 7358 , 7864 , 12779 , 14716 , 25558 , 29432 , 51116 , 102232 , 278189 , 556378 , 1112756 , 2225512 , 3616457 , 7232914 , 14465828 , 28931656
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
-28931655
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 28931656 can be divided by 32 positive divisors.
The sum of these divisors (counting 28931656) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101110010111011001001000
3
Ternary
2000102212202211
4
Quaternary
1232113121020
5
Quinary
24401303111
6
Senary
2512034504
8
Octal
156273110
10
Decimal
28931656
12
Duodecimal
9832a34
16
Hexadecimal
1b97648
20
Vigesimal
90g92g
36
Base36
h83t4
md5
273209b00e628861633b2dd0ac3b50ed
sha1
0627eb9aba1e08417cec987cc08a1e8f9871fd6b
sha256
87fcf249f82517871a34ede9d7f7f1c63e575aa83bac6f6757b4ff414d3a7d20
sha512
afde9fac98534d2643bf472291c61ec4b722a5a69b7a0c1ca3dff78e5717bf4facaa0c87d682f588f0b873655c35758c1059103462036f10737d9c1a2cb5566e
ripemd-160
750d8b4e73c896b65388f8d98a15636b4f2acf09
Diameter
57863312
Circumference
181782955.89157
Area
2.6296409732591E+15
Volume
1.0143982405578E+23
Surface area
1.0518563893036E+16
Circumference
181782955.89157
Perimeter
115726624
Area
837040718902336
Diagonal
40915540.297113
Surface area
5022244313414016
Volume
2.4216974137275E+22
Space diagonal
50111098.139105
Perimeter
86794968
Area
3.6244926328571E+14
Altitude
25055549.069552
Surface area
3.6244926328571E+14
Volume
2.8539977720477E+21
Height
13638513.432371