20147990 (number)

20147990 is an even 8-digits composite number following 20147989 and preceding 20147991. In scientific notation, it is written as 2.0147990 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 8059192 positive integers (up to 20147990) that are relatively prime to 20147990.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-seven thousand nine hundred ninety

Notation

Scientific notation 2.0147990 × 10^7
Engineering notation 2.0147990 × 10^6

Prime Factorization of 20147990

Prime Factorization 2 × 5 × 2014799

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20147990
Product of the distinct prime numbers

The prime factorization of 20147990 is 2 × 5 × 2014799. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20147990)

Multiplication

n×y
n×2 40295980
n×3 60443970
n×4 80591960
n×5 100739950

Division

n÷y
n÷2 10073995
n÷3 6715996.6666667
n÷3 5036997.5
n÷5 4029598

Exponentiation

ny
n2 405941501040100
n3 8.1789053035409E+21
n4 1.6478850226669E+29
n5 3.3201570957842E+36

Nth Root

y√n
2√n 4488.6512450847
3√n 272.1096281706
4√n 66.997397300825
5√n 28.896573321673

Divisors of 20147990

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 -20147989
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 20147990 can be divided by 8 positive divisors. The sum of these divisors (counting 20147990) is 1, the average is 0.125.

Base conversion 20147990

Base System Value
2 Binary 1001100110110111100010110
3 Ternary 1101220121211212
4 Quaternary 1030312330112
5 Quinary 20124213430
6 Senary 1555501422
8 Octal 114667426
10 Decimal 20147990
12 Duodecimal 68b7872
16 Hexadecimal 1336f16
20 Vigesimal 65i9ja
36 Base36 bzuae

Cryptographic Hash Functions

md5 134f0217d07f3e92730d2c149372a37a
sha1 e8058e2277614745fee33f88c140eeb14f71f865
sha256 9b230dbca8144cba9abef3e7b2dc506cc84b48a7115ddbfaa3ad708b33b87a55
sha512 580b2a7bf38ad171c41f2cea8dfacff230c7248dcb37b016cfc50e5342cd711b503242a906365c6e2bb81152b90818167ce564ce0dd424794dabef9d8b23f0b7
ripemd-160 05fc0d21354db13c98af955375e58202dc9e43d6

20147990 as geometric shapes

Circle

Radius = n
Diameter 40295980
Circumference 126593554.7372
Area 1.2753028374548E+15

Sphere

Radius = n
Volume 3.4259718421348E+22
Surface area 5.1012113498192E+15
Circumference 126593554.7372

Square

Length = n
Perimeter 80591960
Area 405941501040100
Diagonal 28493560.712557

Cube

Length = n
Surface area 2435649006240600
Volume 8.1789053035409E+21
Space diagonal 34897342.35039

Equilateral Triangle

Length = n
Perimeter 60443970
Area 1.7577782617556E+14
Altitude 17448671.175195

Triangular Pyramid

Length = n
Surface area 1.7577782617556E+14
Volume 9.6389323380273E+20
Height 9497853.5708525