20451982 (number)

20451982 is an even 8-digits composite number following 20451981 and preceding 20451983. In scientific notation, it is written as 2.0451982 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 10075000 positive integers (up to 20451982) that are relatively prime to 20451982.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-one thousand nine hundred eighty-two

Notation

Scientific notation 2.0451982 × 10^7
Engineering notation 2.0451982 × 10^6

Prime Factorization of 20451982

Prime Factorization 2 × 131 × 251 × 311

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20451982
Product of the distinct prime numbers

The prime factorization of 20451982 is 2 × 131 × 251 × 311. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 1, 21, 69, 111, 396, 3996, 9563, 87563, 19682, 354873, 655228, 2741386, 5915164, 42044008, 83275075, 955896684, 197639999, 9205197304, 2672373642

Basic calculations (n = 20451982)

Multiplication

n×y
n×2 40903964
n×3 61355946
n×4 81807928
n×5 102259910

Division

n÷y
n÷2 10225991
n÷3 6817327.3333333
n÷3 5112995.5
n÷5 4090396.4

Exponentiation

ny
n2 418283567728324
n3 8.5547279980755E+21
n4 1.7496114303154E+29
n5 3.5783021479804E+36

Nth Root

y√n
2√n 4522.3867592235
3√n 273.47132862774
4√n 67.248693364433
5√n 28.983249829057

Divisors of 20451982

1, 2, 131, 251, 262, 311, 502, 622, 32881, 40741, 65762, 78061, 81482, 156122, 10225991, 20451982

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 -20451981
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 20451982 can be divided by 16 positive divisors. The sum of these divisors (counting 20451982) is 1, the average is 0.0625.

Base conversion 20451982

Base System Value
2 Binary 1001110000001001010001110
3 Ternary 1102111001211211
4 Quaternary 1032001022032
5 Quinary 20213430412
6 Senary 2010205034
8 Octal 116011216
10 Decimal 20451982
12 Duodecimal 6a2377a
16 Hexadecimal 138128e
20 Vigesimal 67g9j2
36 Base36 c6cum

Cryptographic Hash Functions

md5 7c328bc1fa144a62fefd3523c2d0f126
sha1 d7138c69eba394029148aac5359e49477fd99dd8
sha256 9007a34d7c8de654efc2cf3ad4ef26bcc621876de5e040a460c4d6af0f30ba90
sha512 a5275e64e5fb6066b284a0841157811292430798670f78283c33c4c3167f93c44eb5de06f28aadcb672aee48dd0bc298eb121f6bcac60e45b9ea5a1ce2f3fa9d
ripemd-160 575c8a27c77b1023915b56057ff0983d1e612dd1

20451982 as geometric shapes

Circle

Radius = n
Diameter 40903964
Circumference 128503592.8051
Area 1.3140765834926E+15

Sphere

Radius = n
Volume 3.583396084295E+22
Surface area 5.2563063339705E+15
Circumference 128503592.8051

Square

Length = n
Perimeter 81807928
Area 418283567728324
Diagonal 28923470.32181

Cube

Length = n
Surface area 2509701406369944
Volume 8.5547279980755E+21
Space diagonal 35423871.939484

Equilateral Triangle

Length = n
Perimeter 61355946
Area 1.8112209781916E+14
Altitude 17711935.969742

Triangular Pyramid

Length = n
Surface area 1.8112209781916E+14
Volume 1.0081843631076E+21
Height 9641156.7739368