20146989 (number)

20146989 is an odd 8-digits composite number following 20146988 and preceding 20146990. In scientific notation, it is written as 2.0146989 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 12641216 positive integers (up to 20146989) that are relatively prime to 20146989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0146989 × 10^7
Engineering notation 2.0146989 × 10^6

Prime Factorization of 20146989

Prime Factorization 3 × 17 × 395039

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20146989
Product of the distinct prime numbers

The prime factorization of 20146989 is 3 × 17 × 395039. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20146989)

Multiplication

n×y
n×2 40293978
n×3 60440967
n×4 80587956
n×5 100734945

Division

n÷y
n÷2 10073494.5
n÷3 6715663
n÷3 5036747.25
n÷5 4029397.8

Exponentiation

ny
n2 405901165766121
n3 8.1776863217772E+21
n4 1.647557563703E+29
n5 3.319332411279E+36

Nth Root

y√n
2√n 4488.5397402719
3√n 272.10512174508
4√n 66.996565137863
5√n 28.896286185887

Divisors of 20146989

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 -20146988
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 20146989 can be divided by 8 positive divisors. The sum of these divisors (counting 20146989) is 1, the average is 0.125.

Base conversion 20146989

Base System Value
2 Binary 1001100110110101100101101
3 Ternary 1101220120110210
4 Quaternary 1030312230231
5 Quinary 20124200424
6 Senary 1555453033
8 Octal 114665455
10 Decimal 20146989
12 Duodecimal 68b7179
16 Hexadecimal 1336b2d
20 Vigesimal 65i799
36 Base36 bztil

Cryptographic Hash Functions

md5 f19a8d295d8622127462da3dacdaf766
sha1 f82b29a0729428689cea553aca2b8bc97a42f88d
sha256 3679690272100505bbad4da4dc72324cb2c5ef892d4105685e0e941baf0892fb
sha512 1d6201b5226617318ec3764d3a0f27c6f713b91c9f9d39878616c50ac33ec2a136781338148069e9913a07ba6e9495eadfcd55d47b7f2574fccf2f7447c90ad8
ripemd-160 3eaa268896a80539c7d7a7b22136a42ff370a9a6

20146989 as geometric shapes

Circle

Radius = n
Diameter 40293978
Circumference 126587265.26871
Area 1.2751761204544E+15

Sphere

Radius = n
Volume 3.4254612362476E+22
Surface area 5.1007044818175E+15
Circumference 126587265.26871

Square

Length = n
Perimeter 80587956
Area 405901165766121
Diagonal 28492145.084782

Cube

Length = n
Surface area 2435406994596726
Volume 8.1776863217772E+21
Space diagonal 34895608.567531

Equilateral Triangle

Length = n
Perimeter 60440967
Area 1.7576036048959E+14
Altitude 17447804.283766

Triangular Pyramid

Length = n
Surface area 1.7576036048959E+14
Volume 9.6374957542419E+20
Height 9497381.6949272