20861409 (number)

20861409 is an odd 8-digits composite number following 20861408 and preceding 20861410. In scientific notation, it is written as 2.0861409 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 13907604 positive integers (up to 20861409) that are relatively prime to 20861409.

Interesting facts

Basic properties

Name

Name twenty million eight hundred sixty-one thousand four hundred nine

Notation

Scientific notation 2.0861409 × 10^7
Engineering notation 2.0861409 × 10^6

Prime Factorization of 20861409

Prime Factorization 3 × 6953803

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20861409
Product of the distinct prime numbers

The prime factorization of 20861409 is 3 × 6953803. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20861409)

Multiplication

n×y
n×2 41722818
n×3 62584227
n×4 83445636
n×5 104307045

Division

n÷y
n÷2 10430704.5
n÷3 6953803
n÷3 5215352.25
n÷5 4172281.8

Exponentiation

ny
n2 435198385465281
n3 9.0788515153309E+21
n4 1.8939763471159E+29
n5 3.951101521351E+36

Nth Root

y√n
2√n 4567.4291455916
3√n 275.28415366976
4√n 67.582757753673
5√n 29.098374402484

Divisors of 20861409

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 -20861408
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 20861409 can be divided by 4 positive divisors. The sum of these divisors (counting 20861409) is 1, the average is 0.25.

Base conversion 20861409

Base System Value
2 Binary 1001111100101000111100001
3 Ternary 1110020212110210
4 Quaternary 1033211013201
5 Quinary 20320031114
6 Senary 2023044333
8 Octal 117450741
10 Decimal 20861409
12 Duodecimal 6ba06a9
16 Hexadecimal 13e51e1
20 Vigesimal 6a7da9
36 Base36 cf4rl

Cryptographic Hash Functions

md5 8355f8ad1bcdd2d400a026f65dfd4a39
sha1 937770fdca5cd7235c71262e4bebb1c91fabce64
sha256 cc228197b2654e40c667a48ed838a8ef2d0e2e57ccc2e3749fe30f596ada02ab
sha512 f7ff05d6d005672438a1deb8f8d04fdadc3cf4c3e81cd40380e95832df51d27f91d93ad6c7245c199d8ce1da31833d567dc44b64b22c64664e25309d6c36dcc4
ripemd-160 0c96490ed4f874b3d1031b6030e274101d683464

20861409 as geometric shapes

Circle

Radius = n
Diameter 41722818
Circumference 131076098.51586
Area 1.3672160506319E+15

Sphere

Radius = n
Volume 3.8029404298128E+22
Surface area 5.4688642025275E+15
Circumference 131076098.51586

Square

Length = n
Perimeter 83445636
Area 435198385465281
Diagonal 29502487.538012

Cube

Length = n
Surface area 2611190312791686
Volume 9.0788515153309E+21
Space diagonal 36133020.305475

Equilateral Triangle

Length = n
Perimeter 62584227
Area 1.8844642874945E+14
Altitude 18066510.152737

Triangular Pyramid

Length = n
Surface area 1.8844642874945E+14
Volume 1.0699529119794E+21
Height 9834162.5126707