20147989 (number)

20147989 is an odd 8-digits composite number following 20147988 and preceding 20147990. In scientific notation, it is written as 2.0147989 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 20137356 positive integers (up to 20147989) that are relatively prime to 20147989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0147989 × 10^7
Engineering notation 2.0147989 × 10^6

Prime Factorization of 20147989

Prime Factorization 2467 × 8167

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20147989
Product of the distinct prime numbers

The prime factorization of 20147989 is 2467 × 8167. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20147989)

Multiplication

n×y
n×2 40295978
n×3 60443967
n×4 80591956
n×5 100739945

Division

n÷y
n÷2 10073994.5
n÷3 6715996.3333333
n÷3 5036997.25
n÷5 4029597.8

Exponentiation

ny
n2 405941460744121
n3 8.1789040857165E+21
n4 1.6478846955107E+29
n5 3.3201562718418E+36

Nth Root

y√n
2√n 4488.6511336926
3√n 272.10962366875
4√n 66.997396469509
5√n 28.89657303483

Divisors of 20147989

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 -20147988
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 20147989 can be divided by 4 positive divisors. The sum of these divisors (counting 20147989) is 1, the average is 0.25.

Base conversion 20147989

Base System Value
2 Binary 1001100110110111100010101
3 Ternary 1101220121211211
4 Quaternary 1030312330111
5 Quinary 20124213424
6 Senary 1555501421
8 Octal 114667425
10 Decimal 20147989
12 Duodecimal 68b7871
16 Hexadecimal 1336f15
20 Vigesimal 65i9j9
36 Base36 bzuad

Cryptographic Hash Functions

md5 7bb95684a7a0c669e5469e42a8fe128a
sha1 62fdb8adbb7e68cc83be8dda4344430d0c94841b
sha256 2ca93883bb9b5f889fd93b7315a43b9e3fe52cd31f8529df5cb88beb126e2d63
sha512 d34bb8ca345704dab973134b5179aaa1c73d30a991b6a7fcf406ad8bb2823515d552a40f44155ac0a31f83205b364e2a0f53aaaa08446ed88e93da10eb323820
ripemd-160 e56797d1a8ed2d37c168b6ba42b2938b489ee4fc

20147989 as geometric shapes

Circle

Radius = n
Diameter 40295978
Circumference 126593548.45402
Area 1.2753027108612E+15

Sphere

Radius = n
Volume 3.4259713320137E+22
Surface area 5.101210843445E+15
Circumference 126593548.45402

Square

Length = n
Perimeter 80591956
Area 405941460744121
Diagonal 28493559.298344

Cube

Length = n
Surface area 2435648764464726
Volume 8.1789040857165E+21
Space diagonal 34897340.618339

Equilateral Triangle

Length = n
Perimeter 60443967
Area 1.7577780872689E+14
Altitude 17448670.309169

Triangular Pyramid

Length = n
Surface area 1.7577780872689E+14
Volume 9.6389309028075E+20
Height 9497853.099448