20173981 (number)

20173981 is an odd 8-digits composite number following 20173980 and preceding 20173982. In scientific notation, it is written as 2.0173981 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 19843200 positive integers (up to 20173981) that are relatively prime to 20173981.

Interesting facts

Basic properties

Name

Name twenty million one hundred seventy-three thousand nine hundred eighty-one

Notation

Scientific notation 2.0173981 × 10^7
Engineering notation 2.0173981 × 10^6

Prime Factorization of 20173981

Prime Factorization 61 × 330721

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20173981
Product of the distinct prime numbers

The prime factorization of 20173981 is 61 × 330721. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20173981)

Multiplication

n×y
n×2 40347962
n×3 60521943
n×4 80695924
n×5 100869905

Division

n÷y
n÷2 10086990.5
n÷3 6724660.3333333
n÷3 5043495.25
n÷5 4034796.2

Exponentiation

ny
n2 406989509388361
n3 8.2105986296001E+21
n4 1.6564046075218E+29
n5 3.3416275080457E+36

Nth Root

y√n
2√n 4491.5455023856
3√n 272.22658545153
4√n 67.018993594246
5√n 28.904024820243

Divisors of 20173981

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 -20173980
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 20173981 can be divided by 4 positive divisors. The sum of these divisors (counting 20173981) is 1, the average is 0.25.

Base conversion 20173981

Base System Value
2 Binary 1001100111101010010011101
3 Ternary 1101221221111111
4 Quaternary 1030331102131
5 Quinary 20131031411
6 Senary 2000222021
8 Octal 114752235
10 Decimal 20173981
12 Duodecimal 690a911
16 Hexadecimal 133d49d
20 Vigesimal 661ej1
36 Base36 c0ecd

Cryptographic Hash Functions

md5 be7ae4388094547f011a26530668d348
sha1 e9cd6ac7c5d176ac1674a82831eddddc92d01513
sha256 fab43d474b729a6c0ca92a9914a50428fc60b04a892be00880a8a2e2c0006bb9
sha512 fec530b2bf9a48f64046819e94173f43530baa632cbe95aac7b57f75d244b9495112f5186f2a6e1cc0ad340a7cd77a4c3110e9d20536e0baaa1bda057c8f9cf2
ripemd-160 0035fcc6cb52d920339a9dfc4e12166a7fb46053

20173981 as geometric shapes

Circle

Radius = n
Diameter 40347962
Circumference 126756861.00652
Area 1.2785952527826E+15

Sphere

Radius = n
Volume 3.4392475115102E+22
Surface area 5.1143810111304E+15
Circumference 126756861.00652

Square

Length = n
Perimeter 80695924
Area 406989509388361
Diagonal 28530317.537257

Cube

Length = n
Surface area 2441937056330166
Volume 8.2105986296001E+21
Space diagonal 34942360.082929

Equilateral Triangle

Length = n
Perimeter 60521943
Area 1.7623162710204E+14
Altitude 17471180.041465

Triangular Pyramid

Length = n
Surface area 1.7623162710204E+14
Volume 9.6762832809854E+20
Height 9510105.8457524