20146990 (number)

20146990 is an even 8-digits composite number following 20146989 and preceding 20146991. In scientific notation, it is written as 2.0146990 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 7862080 positive integers (up to 20146990) that are relatively prime to 20146990.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0146990 × 10^7
Engineering notation 2.0146990 × 10^6

Prime Factorization of 20146990

Prime Factorization 2 × 205 × 49139

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20146990
Product of the distinct prime numbers

The prime factorization of 20146990 is 2 × 205 × 49139. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20146990)

Multiplication

n×y
n×2 40293980
n×3 60440970
n×4 80587960
n×5 100734950

Division

n÷y
n÷2 10073495
n÷3 6715663.3333333
n÷3 5036747.5
n÷5 4029398

Exponentiation

ny
n2 405901206060100
n3 8.1776875394808E+21
n4 1.6475578908104E+29
n5 3.3193332350579E+36

Nth Root

y√n
2√n 4488.5398516667
3√n 272.10512624708
4√n 66.99656596921
5√n 28.896286472742

Divisors of 20146990

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 -20146989
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 20146990 can be divided by 8 positive divisors. The sum of these divisors (counting 20146990) is 1, the average is 0.125.

Base conversion 20146990

Base System Value
2 Binary 1001100110110101100101110
3 Ternary 1101220120110211
4 Quaternary 1030312230232
5 Quinary 20124200430
6 Senary 1555453034
8 Octal 114665456
10 Decimal 20146990
12 Duodecimal 68b717a
16 Hexadecimal 1336b2e
20 Vigesimal 65i79a
36 Base36 bztim

Cryptographic Hash Functions

md5 ecf8be06d7dd8f0689243f2a97b24c0d
sha1 e902e9498c91bd90c424f0506472af17e372d8ec
sha256 bfc8361c04874ab87bf5e564b862d2c17a4a123dd46a8376cd47db453d2dbc9a
sha512 f6b8d778a26eff59d7958db5ffb59df5491bdd3d1bb081d6030dff0514e3c6f2c67545c45e3ef2440765400990fd90e1de86e609b2ea57a02c5547cdd245e217
ripemd-160 c412ae1d02497b0259d503302e07d76a44c1b80b

20146990 as geometric shapes

Circle

Radius = n
Diameter 40293980
Circumference 126587271.55189
Area 1.2751762470416E+15

Sphere

Radius = n
Volume 3.4254617463181E+22
Surface area 5.1007049881666E+15
Circumference 126587271.55189

Square

Length = n
Perimeter 80587960
Area 405901206060100
Diagonal 28492146.498995

Cube

Length = n
Surface area 2435407236360600
Volume 8.1776875394808E+21
Space diagonal 34895610.299582

Equilateral Triangle

Length = n
Perimeter 60440970
Area 1.7576037793739E+14
Altitude 17447805.149791

Triangular Pyramid

Length = n
Surface area 1.7576037793739E+14
Volume 9.6374971893193E+20
Height 9497382.1663317