20147491 (number)

20147491 is an odd 8-digits composite number following 20147490 and preceding 20147492. In scientific notation, it is written as 2.0147491 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 15940800 positive integers (up to 20147491) that are relatively prime to 20147491.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0147491 × 10^7
Engineering notation 2.0147491 × 10^6

Prime Factorization of 20147491

Prime Factorization 7 × 13 × 221401

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20147491
Product of the distinct prime numbers

The prime factorization of 20147491 is 7 × 13 × 221401. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20147491)

Multiplication

n×y
n×2 40294982
n×3 60442473
n×4 80589964
n×5 100737455

Division

n÷y
n÷2 10073745.5
n÷3 6715830.3333333
n÷3 5036872.75
n÷5 4029498.2

Exponentiation

ny
n2 405921393595081
n3 8.1782976241644E+21
n4 1.6477217777817E+29
n5 3.3197459688361E+36

Nth Root

y√n
2√n 4488.5956601146
3√n 272.10738172938
4√n 66.996982470218
5√n 28.89643018548

Divisors of 20147491

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 -20147490
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 20147491 can be divided by 8 positive divisors. The sum of these divisors (counting 20147491) is 1, the average is 0.125.

Base conversion 20147491

Base System Value
2 Binary 1001100110110110100100011
3 Ternary 1101220121011101
4 Quaternary 1030312310203
5 Quinary 20124204431
6 Senary 1555455231
8 Octal 114666443
10 Decimal 20147491
12 Duodecimal 68b7517
16 Hexadecimal 1336d23
20 Vigesimal 65i8eb
36 Base36 bztwj

Cryptographic Hash Functions

md5 1e83ed8a6f504561d590f02200e51e64
sha1 25342845b97d3411236409ee968e59f95119b6fa
sha256 910dbc541b88ca16badd91de6a2074c27f8aeb715f813f6b218c4ccb8de1c683
sha512 0f46cd7ff958880966678c11da4779ccc42f58ee8f6fe0e73462166f1769869091e995727a846d0cb31c5ac9703e0cebc6225fbe1e931ec4a9ba4edf3edcf9be
ripemd-160 e4b342ecceeffcaff21c8287ff5fa9879025f28f

20147491 as geometric shapes

Circle

Radius = n
Diameter 40294982
Circumference 126590419.42773
Area 1.2752396680532E+15

Sphere

Radius = n
Volume 3.4257172979927E+22
Surface area 5.1009586722129E+15
Circumference 126590419.42773

Square

Length = n
Perimeter 80589964
Area 405921393595081
Diagonal 28492855.01999

Cube

Length = n
Surface area 2435528361570486
Volume 8.1782976241644E+21
Space diagonal 34896478.057037

Equilateral Triangle

Length = n
Perimeter 60442473
Area 1.7576911939646E+14
Altitude 17448239.028518

Triangular Pyramid

Length = n
Surface area 1.7576911939646E+14
Volume 9.6382161810141E+20
Height 9497618.3399966