16561231 is an odd 8-digits composite number following 16561230
and preceding 16561232 . In scientific notation, it is written as 1.6561231 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 16495000 positive integers (up to 16561231) that are relatively prime to 16561231.
16561231 has 4 divisors, whose sum is 16627464
The reverse of 16561231 is 13216561
Previous prime number is 251
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
sixteen million five hundred sixty-one thousand two hundred thirty-one
Scientific notation
1.6561231 × 10^7
Engineering notation
1.6561231 × 10^6
Prime Factorization
251 × 65981
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
16561231
Product of the distinct prime numbers
The prime factorization of 16561231 is 251 × 65981.
Since it has a total of 2 prime factors.
7 , 3 , 87 , 61 , 957 , 931 , 6817 , 7586 , 68798 , 18114 , 28539 , 836331 , 4300096 , 4477872 , 94264692 , 3269211 , 322467344 , 506829906 , 8886636794 , 7624268512
n×2
33122462
n×3
49683693
n×4
66244924
n×5
82806155
n÷2
8280615.5
n÷3
5520410.3333333
n÷3
4140307.75
n÷5
3312246.2
n2
274274372235361
n3
4.5423212359698E+21
n4
7.5226431265101E+28
n5
1.245842305487E+36
2 √n
4069.5492379378
3 √n
254.8966953076
4 √n
63.793018724135
5 √n
27.785519619079
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
-16561230
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 16561231 can be divided by 4 positive divisors.
The sum of these divisors (counting 16561231) is 1, the average is 0.25.
Base
System
Value
2
Binary
111111001011010001001111
3
Ternary
1011011101201221
4
Quaternary
333023101033
5
Quinary
13214424411
6
Senary
1350544211
8
Octal
77132117
10
Decimal
16561231
12
Duodecimal
5668067
16
Hexadecimal
fcb44f
20
Vigesimal
53a31b
36
Base36
9uyq7
md5
279f0c31b16645a576d65ed5916e941f
sha1
dc025dfb62387f2b02dd0879d791b39d8b7fc5ab
sha256
b909d84f298a2ab1a856acdb4802778c6f126941c6d95cdc223518c304b64abf
sha512
ae304e71bc924dc16d8120ff5201c68ccce8c2029037d55ac620b1e19f63c5ade58cf96a88ccf6e0c1e3a3fa6899af8727557addf3aa5a9cb58e620ffc03b974
ripemd-160
0398c56a759aa4a3729204bbaa5b67ea08cf4763
Diameter
33122462
Circumference
104057283.28801
Area
8.6165835288256E+14
Volume
1.9026830700224E+22
Surface area
3.4466334115302E+15
Circumference
104057283.28801
Perimeter
66244924
Area
274274372235361
Diagonal
23421117.489794
Surface area
1645646233412166
Volume
4.5423212359698E+21
Space diagonal
28684893.527885
Perimeter
49683693
Area
1.1876428698143E+14
Altitude
14342446.763942
Surface area
1.1876428698143E+14
Volume
5.3531769138032E+20
Height
7807039.1632646