20681946 (number)

20681946 is an even 8-digits composite number following 20681945 and preceding 20681947. In scientific notation, it is written as 2.0681946 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 6893964 positive integers (up to 20681946) that are relatively prime to 20681946.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0681946 × 10^7
Engineering notation 2.0681946 × 10^6

Prime Factorization of 20681946

Prime Factorization 2 × 27 × 382999

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20681946
Product of the distinct prime numbers

The prime factorization of 20681946 is 2 × 27 × 382999. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20681946)

Multiplication

n×y
n×2 41363892
n×3 62045838
n×4 82727784
n×5 103409730

Division

n÷y
n÷2 10340973
n÷3 6893982
n÷3 5170486.5
n÷5 4136389.2

Exponentiation

ny
n2 427742890346916
n3 8.8465553600388E+21
n4 1.8296398024233E+29
n5 3.784051159317E+36

Nth Root

y√n
2√n 4547.7407577829
3√n 274.4924898659
4√n 67.43693911932
5√n 29.048136718785

Divisors of 20681946

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 -20681945
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 20681946 can be divided by 8 positive divisors. The sum of these divisors (counting 20681946) is 1, the average is 0.125.

Base conversion 20681946

Base System Value
2 Binary 1001110111001010011011010
3 Ternary 1102220202022000
4 Quaternary 1032321103122
5 Quinary 20243310241
6 Senary 2015141430
8 Octal 116712332
10 Decimal 20681946
12 Duodecimal 6b14876
16 Hexadecimal 13b94da
20 Vigesimal 6954h6
36 Base36 cbaai

Cryptographic Hash Functions

md5 a736ab53cfd5c36b8a0c7b510ac77b79
sha1 440a3d2ea3d7601d19725aee5282d538a71c483b
sha256 9d39c43ac7c1b104bda8be8885b6622686a7e67ff5cfc1a62668dabbcfb8f944
sha512 a2aca25a0c46b0a736c96f17879e91fbe6c17649f0d869e3e1883962b6033be814ae86cf35a35f9425e4473b61aaf232f50e31f6b40ab4bdb5b612a8dbb50126
ripemd-160 a2c85031b77d11a73ec0f230a63151636c592e52

20681946 as geometric shapes

Circle

Radius = n
Diameter 41363892
Circumference 129948499.23108
Area 1.3437939219391E+15

Sphere

Radius = n
Volume 3.7056364438231E+22
Surface area 5.3751756877565E+15
Circumference 129948499.23108

Square

Length = n
Perimeter 82727784
Area 427742890346916
Diagonal 29248688.529468

Cube

Length = n
Surface area 2566457342081496
Volume 8.8465553600388E+21
Space diagonal 35822181.271396

Equilateral Triangle

Length = n
Perimeter 62045838
Area 1.8521810466431E+14
Altitude 17911090.635698

Triangular Pyramid

Length = n
Surface area 1.8521810466431E+14
Volume 1.0425765475376E+21
Height 9749562.843156