20561380 (number)

20561380 is an even 8-digits composite number following 20561379 and preceding 20561381. In scientific notation, it is written as 2.0561380 × 10^7. The sum of its digits is 25. It has a total of 6 prime factors and 36 positive divisors. There are 7049280 positive integers (up to 20561380) that are relatively prime to 20561380.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0561380 × 10^7
Engineering notation 2.0561380 × 10^6

Prime Factorization of 20561380

Prime Factorization 2 × 2 × 5 × 7 × 7 × 20981

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 1468670
Product of the distinct prime numbers

The prime factorization of 20561380 is 2 × 2 × 5 × 7 × 7 × 20981. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 1, 50, 9, 640, 550, 5961, 4862, 45251, 25845, 22920, 170558, 6459820, 6590234, 25374954, 3805787, 717428458, 151970127, 9237436943, 9919881253

Basic calculations (n = 20561380)

Multiplication

n×y
n×2 41122760
n×3 61684140
n×4 82245520
n×5 102806900

Division

n÷y
n÷2 10280690
n÷3 6853793.3333333
n÷3 5140345
n÷5 4112276

Exponentiation

ny
n2 422770347504400
n3 8.69274176777E+21
n4 1.7873476672899E+29
n5 3.6750334579261E+36

Nth Root

y√n
2√n 4534.465789925
3√n 273.95806273818
4√n 67.338442140615
5√n 29.014190079099

Divisors of 20561380

1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 20981, 41962, 83924, 104905, 146867, 209810, 293734, 419620, 587468, 734335, 1028069, 1468670, 2056138, 2937340, 4112276, 5140345, 10280690, 20561380

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20561379
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20561380 can be divided by 36 positive divisors. The sum of these divisors (counting 20561380) is 1, the average is 0.027777777777778.

Base conversion 20561380

Base System Value
2 Binary 1001110011011110111100100
3 Ternary 1102200121220121
4 Quaternary 1032123313210
5 Quinary 20230431010
6 Senary 2012411324
8 Octal 116336744
10 Decimal 20561380
12 Duodecimal 6a76b44
16 Hexadecimal 139bde4
20 Vigesimal 68a390
36 Base36 c8p9g

Cryptographic Hash Functions

md5 de3441897454fc59a5f2c8e7d85926a1
sha1 660bbe798f37817b47889f0980354db4da11e937
sha256 d74aa2c8b0c0eef8c49904b1bd7ceb4427ea11e0fb639b4fd2626e14a956a8e1
sha512 f383ea43bc62ca387f5939f117482558c938054fcea7b91002530acd72a4f393d01f310a92730e4f58e1b4f4b48cdcec0eef38cce028324494dd838f26587da3
ripemd-160 ae14eacd6df0fcbd2d5101818c93e48457a93ef3

20561380 as geometric shapes

Circle

Radius = n
Diameter 41122760
Circumference 129190960.71134
Area 1.3281722178754E+15

Sphere

Radius = n
Volume 3.6412071569573E+22
Surface area 5.3126888715017E+15
Circumference 129190960.71134

Square

Length = n
Perimeter 82245520
Area 422770347504400
Diagonal 29078182.457107

Cube

Length = n
Surface area 2536622085026400
Volume 8.69274176777E+21
Space diagonal 35613354.833731

Equilateral Triangle

Length = n
Perimeter 61684140
Area 1.8306493045279E+14
Altitude 17806677.416865

Triangular Pyramid

Length = n
Surface area 1.8306493045279E+14
Volume 1.024449441849E+21
Height 9692727.4857023