20968081 (number)

20968081 is an odd 8-digits composite number following 20968080 and preceding 20968082. In scientific notation, it is written as 2.0968081 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 20802852 positive integers (up to 20968081) that are relatively prime to 20968081.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0968081 × 10^7
Engineering notation 2.0968081 × 10^6

Prime Factorization of 20968081

Prime Factorization 127 × 165103

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20968081
Product of the distinct prime numbers

The prime factorization of 20968081 is 127 × 165103. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20968081)

Multiplication

n×y
n×2 41936162
n×3 62904243
n×4 83872324
n×5 104840405

Division

n÷y
n÷2 10484040.5
n÷3 6989360.3333333
n÷3 5242020.25
n÷5 4193616.2

Exponentiation

ny
n2 439660420822561
n3 9.2188353163015E+21
n4 1.9330128563787E+29
n5 4.053157014659E+36

Nth Root

y√n
2√n 4579.091722165
3√n 275.75256564568
4√n 67.668986413016
5√n 29.128071845126

Divisors of 20968081

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 -20968080
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 20968081 can be divided by 4 positive divisors. The sum of these divisors (counting 20968081) is 1, the average is 0.25.

Base conversion 20968081

Base System Value
2 Binary 1001111111111001010010001
3 Ternary 1110110021210121
4 Quaternary 1033333022101
5 Quinary 20331434311
6 Senary 2025230241
8 Octal 117771221
10 Decimal 20968081
12 Duodecimal 7032381
16 Hexadecimal 13ff291
20 Vigesimal 6b1041
36 Base36 chf2p

Cryptographic Hash Functions

md5 a84865f1ef6611d395e8ad884335108b
sha1 7eb74aff250ae00627ec892f44bb94b91c6bf6fd
sha256 9863980d0752a68a9e6ae2a99a4cba04dcd4b5d460c1dc848c8801b4afce103e
sha512 eb62375e03bbb3c7e787c8d265879bf952b36836ed56338c83ea71bb5be0457fc8b1c5e64326e4d0fa6570f0e1d2e34476d1dd228496e214b9773ac87af673e7
ripemd-160 a6a1bf9e2cb8e21acc71136aa70c16160ba7b518

20968081 as geometric shapes

Circle

Radius = n
Diameter 41936162
Circumference 131746338.45895
Area 1.3812339481304E+15

Sphere

Radius = n
Volume 3.8615767072463E+22
Surface area 5.5249357925214E+15
Circumference 131746338.45895

Square

Length = n
Perimeter 83872324
Area 439660420822561
Diagonal 29653344.527138

Cube

Length = n
Surface area 2637962524935366
Volume 9.2188353163015E+21
Space diagonal 36317781.62922

Equilateral Triangle

Length = n
Perimeter 62904243
Area 1.9037854673545E+14
Altitude 18158890.81461

Triangular Pyramid

Length = n
Surface area 1.9037854673545E+14
Volume 1.0864501611331E+21
Height 9884448.1757125