18561361 (number)

18561361 is an odd 8-digits composite number following 18561360 and preceding 18561362. In scientific notation, it is written as 1.8561361 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 14685840 positive integers (up to 18561361) that are relatively prime to 18561361.

Interesting facts

Basic properties

Name

Name eighteen million five hundred sixty-one thousand three hundred sixty-one

Notation

Scientific notation 1.8561361 × 10^7
Engineering notation 1.8561361 × 10^6

Prime Factorization of 18561361

Prime Factorization 91 × 203971

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 18561361
Product of the distinct prime numbers

The prime factorization of 18561361 is 91 × 203971. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18561361)

Multiplication

n×y
n×2 37122722
n×3 55684083
n×4 74245444
n×5 92806805

Division

n÷y
n÷2 9280680.5
n÷3 6187120.3333333
n÷3 4640340.25
n÷5 3712272.2

Exponentiation

ny
n2 344524122172321
n3 6.3948366048486E+21
n4 1.1869687075861E+29
n5 2.2031754677209E+36

Nth Root

y√n
2√n 4308.289799909
3√n 264.77070946056
4√n 65.637563939478
5√n 28.426406584483

Divisors of 18561361

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 -18561360
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 18561361 can be divided by 4 positive divisors. The sum of these divisors (counting 18561361) is 1, the average is 0.25.

Base conversion 18561361

Base System Value
2 Binary 1000110110011100101010001
3 Ternary 1021221000101211
4 Quaternary 1012303211101
5 Quinary 14222430421
6 Senary 1501500121
8 Octal 106634521
10 Decimal 18561361
12 Duodecimal 6271641
16 Hexadecimal 11b3951
20 Vigesimal 5g0381
36 Base36 b1u1d

Cryptographic Hash Functions

md5 04b05169b58daa32cf67edd5c5474774
sha1 dcdaf607caeb300e528ad48e41245a764c174cb3
sha256 be786148e891c89e998d32be3f019e2a9f8aac29398c43f65856eb01efb655e6
sha512 9a9ac316d24db8476829052ce4750e69c3578d49132d3469e4d60e478eaeaa9f9f22f5850c314c42760ebde84913d222771faa3b373c8d065799bf30ef7f19d9
ripemd-160 7b815a42664ecd62c7dd653841c7253172bacd2c

18561361 as geometric shapes

Circle

Radius = n
Diameter 37122722
Circumference 116624470.71646
Area 1.082354451201E+15

Sphere

Radius = n
Volume 2.6786628931599E+22
Surface area 4.3294178048041E+15
Circumference 116624470.71646

Square

Length = n
Perimeter 74245444
Area 344524122172321
Diagonal 26249728.462303

Cube

Length = n
Surface area 2067144733033926
Volume 6.3948366048486E+21
Space diagonal 32149220.309627

Equilateral Triangle

Length = n
Perimeter 55684083
Area 1.4918332100888E+14
Altitude 16074610.154814

Triangular Pyramid

Length = n
Surface area 1.4918332100888E+14
Volume 7.536387213114E+20
Height 8749909.4874343