20641381 (number)

20641381 is an odd 8-digits composite number following 20641380 and preceding 20641382. In scientific notation, it is written as 2.0641381 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 19902000 positive integers (up to 20641381) that are relatively prime to 20641381.

Interesting facts

Basic properties

Name

Name twenty million six hundred forty-one thousand three hundred eighty-one

Notation

Scientific notation 2.0641381 × 10^7
Engineering notation 2.0641381 × 10^6

Prime Factorization of 20641381

Prime Factorization 31 × 311 × 2141

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20641381
Product of the distinct prime numbers

The prime factorization of 20641381 is 31 × 311 × 2141. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20641381)

Multiplication

n×y
n×2 41282762
n×3 61924143
n×4 82565524
n×5 103206905

Division

n÷y
n÷2 10320690.5
n÷3 6880460.3333333
n÷3 5160345.25
n÷5 4128276.2

Exponentiation

ny
n2 426066609587161
n3 8.7946032198668E+21
n4 1.815327558051E+29
n5 3.747086776553E+36

Nth Root

y√n
2√n 4543.2786619357
3√n 274.31291173502
4√n 67.403847530654
5√n 29.036732925167

Divisors of 20641381

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20641380
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20641381 can be divided by 8 positive divisors. The sum of these divisors (counting 20641381) is 1, the average is 0.125.

Base conversion 20641381

Base System Value
2 Binary 1001110101111011001100101
3 Ternary 1102211200122121
4 Quaternary 1032233121211
5 Quinary 20241011011
6 Senary 2014225541
8 Octal 116573145
10 Decimal 20641381
12 Duodecimal 6ab52b1
16 Hexadecimal 13af665
20 Vigesimal 690391
36 Base36 caezp

Cryptographic Hash Functions

md5 2a6505347185476fd0d76a160afc530b
sha1 a68141c9f481529c9acd97710ef0578f667180f9
sha256 4dc3c0493707b1992b7e2da7efa4aa19c990b0215cc8f0ac730d143382d514f6
sha512 3a1045ee57e56a64d0124458ab9ec5114e071cd1bfc2e301fc5b46ef53945701e1d8e9e147dcf7c5ad4fe1f1b8186585f8e789cddf7ddf32e09a736ad5618bce
ripemd-160 cfd3bbc7c6ad3ded5b70324f16ccb842db407a65

20641381 as geometric shapes

Circle

Radius = n
Diameter 41282762
Circumference 129693621.8191
Area 1.3385277306189E+15

Sphere

Radius = n
Volume 3.6838747822361E+22
Surface area 5.3541109224757E+15
Circumference 129693621.8191

Square

Length = n
Perimeter 82565524
Area 426066609587161
Diagonal 29191320.95631

Cube

Length = n
Surface area 2556399657522966
Volume 8.7946032198668E+21
Space diagonal 35751920.630387

Equilateral Triangle

Length = n
Perimeter 61924143
Area 1.8449225380339E+14
Altitude 17875960.315193

Triangular Pyramid

Length = n
Surface area 1.8449225380339E+14
Volume 1.0364539291021E+21
Height 9730440.3187701