20187021 (number)

20187021 is an odd 8-digits composite number following 20187020 and preceding 20187022. In scientific notation, it is written as 2.0187021 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 13458012 positive integers (up to 20187021) that are relatively prime to 20187021.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0187021 × 10^7
Engineering notation 2.0187021 × 10^6

Prime Factorization of 20187021

Prime Factorization 3 × 6729007

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20187021
Product of the distinct prime numbers

The prime factorization of 20187021 is 3 × 6729007. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20187021)

Multiplication

n×y
n×2 40374042
n×3 60561063
n×4 80748084
n×5 100935105

Division

n÷y
n÷2 10093510.5
n÷3 6729007
n÷3 5046755.25
n÷5 4037404.2

Exponentiation

ny
n2 407515816854441
n3 8.2265303526728E+21
n4 1.6606914098654E+29
n5 3.3524412365473E+36

Nth Root

y√n
2√n 4492.9968840408
3√n 272.28522649854
4√n 67.029820856398
5√n 28.90776043466

Divisors of 20187021

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 -20187020
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 20187021 can be divided by 4 positive divisors. The sum of these divisors (counting 20187021) is 1, the average is 0.25.

Base conversion 20187021

Base System Value
2 Binary 1001101000000011110001101
3 Ternary 1101222121101110
4 Quaternary 1031000132031
5 Quinary 20131441041
6 Senary 2000402233
8 Octal 115003615
10 Decimal 20187021
12 Duodecimal 6916379
16 Hexadecimal 134078d
20 Vigesimal 6637b1
36 Base36 c0oel

Cryptographic Hash Functions

md5 8fa5b85f50f86c1e21cc6f2c6d4f4da2
sha1 aefc09cb13a1880171b30715d1edbf3e25863d17
sha256 bb6541f0b46babb563bb31d341c76c80ca75dc27c3decc2d52a573a1d37c1864
sha512 f07e4b6df8b9b56abe7c0ab94f91b547c724c6bc9afee2a01683ec0f9cd68aa78648111d85498c435105e239a63c000b61d16d213469aa662809fe5d8e907e75
ripemd-160 1bc082dec34ef04994e39b8fa333a34b913b17e8

20187021 as geometric shapes

Circle

Radius = n
Diameter 40374042
Circumference 126838793.74293
Area 1.2802486964516E+15

Sphere

Radius = n
Volume 3.4459209760654E+22
Surface area 5.1209947858062E+15
Circumference 126838793.74293

Square

Length = n
Perimeter 80748084
Area 407515816854441
Diagonal 28548758.88211

Cube

Length = n
Surface area 2445094901126646
Volume 8.2265303526728E+21
Space diagonal 34964946.02546

Equilateral Triangle

Length = n
Perimeter 60561063
Area 1.7645952491996E+14
Altitude 17482473.01273

Triangular Pyramid

Length = n
Surface area 1.7645952491996E+14
Volume 9.6950589966864E+20
Height 9516252.9607035