16561231 (number)

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.

Interesting facts

Basic properties

Name

Name sixteen million five hundred sixty-one thousand two hundred thirty-one

Notation

Scientific notation 1.6561231 × 10^7
Engineering notation 1.6561231 × 10^6

Prime Factorization of 16561231

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.

Most popular turbo-numbers

Basic calculations (n = 16561231)

Multiplication

n×y
n×2 33122462
n×3 49683693
n×4 66244924
n×5 82806155

Division

n÷y
n÷2 8280615.5
n÷3 5520410.3333333
n÷3 4140307.75
n÷5 3312246.2

Exponentiation

ny
n2 274274372235361
n3 4.5423212359698E+21
n4 7.5226431265101E+28
n5 1.245842305487E+36

Nth Root

y√n
2√n 4069.5492379378
3√n 254.8966953076
4√n 63.793018724135
5√n 27.785519619079

Divisors of 16561231

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 conversion 16561231

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

Cryptographic Hash Functions

md5 279f0c31b16645a576d65ed5916e941f
sha1 dc025dfb62387f2b02dd0879d791b39d8b7fc5ab
sha256 b909d84f298a2ab1a856acdb4802778c6f126941c6d95cdc223518c304b64abf
sha512 ae304e71bc924dc16d8120ff5201c68ccce8c2029037d55ac620b1e19f63c5ade58cf96a88ccf6e0c1e3a3fa6899af8727557addf3aa5a9cb58e620ffc03b974
ripemd-160 0398c56a759aa4a3729204bbaa5b67ea08cf4763

16561231 as geometric shapes

Circle

Radius = n
Diameter 33122462
Circumference 104057283.28801
Area 8.6165835288256E+14

Sphere

Radius = n
Volume 1.9026830700224E+22
Surface area 3.4466334115302E+15
Circumference 104057283.28801

Square

Length = n
Perimeter 66244924
Area 274274372235361
Diagonal 23421117.489794

Cube

Length = n
Surface area 1645646233412166
Volume 4.5423212359698E+21
Space diagonal 28684893.527885

Equilateral Triangle

Length = n
Perimeter 49683693
Area 1.1876428698143E+14
Altitude 14342446.763942

Triangular Pyramid

Length = n
Surface area 1.1876428698143E+14
Volume 5.3531769138032E+20
Height 7807039.1632646