20561381 (number)

20561381 is an odd 8-digits composite number following 20561380 and preceding 20561382. In scientific notation, it is written as 2.0561381 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 18579456 positive integers (up to 20561381) that are relatively prime to 20561381.

Interesting facts

Basic properties

Name

Name twenty million five hundred sixty-one thousand three hundred eighty-one

Notation

Scientific notation 2.0561381 × 10^7
Engineering notation 2.0561381 × 10^6

Prime Factorization of 20561381

Prime Factorization 37 × 17 × 337 × 97

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20561381
Product of the distinct prime numbers

The prime factorization of 20561381 is 37 × 17 × 337 × 97. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 5, 27, 2, 567, 152, 1467, 9828, 88003, 109, 101746, 456232, 5095263, 3998889, 10010012, 37849168, 739786471, 252873682, 7479993554, 3181376361

Basic calculations (n = 20561381)

Multiplication

n×y
n×2 41122762
n×3 61684143
n×4 82245524
n×5 102806905

Division

n÷y
n÷2 10280690.5
n÷3 6853793.6666667
n÷3 5140345.25
n÷5 4112276.2

Exponentiation

ny
n2 422770388627161
n3 8.6927430360811E+21
n4 1.7873480149996E+29
n5 3.6750343516001E+36

Nth Root

y√n
2√n 4534.4659001916
3√n 273.95806717948
4√n 67.338442959364
5√n 29.01419036132

Divisors of 20561381

1, 17, 37, 97, 337, 629, 1649, 3589, 5729, 12469, 32689, 61013, 211973, 555713, 1209493, 20561381

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20561380
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20561381 can be divided by 16 positive divisors. The sum of these divisors (counting 20561381) is 1, the average is 0.0625.

Base conversion 20561381

Base System Value
2 Binary 1001110011011110111100101
3 Ternary 1102200121220122
4 Quaternary 1032123313211
5 Quinary 20230431011
6 Senary 2012411325
8 Octal 116336745
10 Decimal 20561381
12 Duodecimal 6a76b45
16 Hexadecimal 139bde5
20 Vigesimal 68a391
36 Base36 c8p9h

Cryptographic Hash Functions

md5 f408af0843d0bcde0d3eec153e927ae3
sha1 8b4ee38b1571a3044641180f5854f1870cf7d5bc
sha256 0ec98c95717e9d09592872a9567a10cc51ce4d4c5c364df0acbc53b61793ed3e
sha512 7527f701b5cd2d6b3aab9678315505cf0a2421ea089c93716d495a311954862ce229efcb2383e696b04813ee1ad7e248a2b83c9a54c4e3deee7e5662f6314940
ripemd-160 66cf3efedd14f9a87e3f7173abccbc60a3d7fbc2

20561381 as geometric shapes

Circle

Radius = n
Diameter 41122762
Circumference 129190966.99452
Area 1.3281723470664E+15

Sphere

Radius = n
Volume 3.6412076882262E+22
Surface area 5.3126893882656E+15
Circumference 129190966.99452

Square

Length = n
Perimeter 82245524
Area 422770388627161
Diagonal 29078183.87132

Cube

Length = n
Surface area 2536622331762966
Volume 8.6927430360811E+21
Space diagonal 35613356.565781

Equilateral Triangle

Length = n
Perimeter 61684143
Area 1.8306494825947E+14
Altitude 17806678.282891

Triangular Pyramid

Length = n
Surface area 1.8306494825947E+14
Volume 1.0244495913209E+21
Height 9692727.9571068