20218521 (number)

20218521 is an odd 8-digits composite number following 20218520 and preceding 20218522. In scientific notation, it is written as 2.0218521 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 13440752 positive integers (up to 20218521) that are relatively prime to 20218521.

Interesting facts

Basic properties

Name

Name twenty million two hundred eighteen thousand five hundred twenty-one

Notation

Scientific notation 2.0218521 × 10^7
Engineering notation 2.0218521 × 10^6

Prime Factorization of 20218521

Prime Factorization 3 × 359 × 18773

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20218521
Product of the distinct prime numbers

The prime factorization of 20218521 is 3 × 359 × 18773. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20218521)

Multiplication

n×y
n×2 40437042
n×3 60655563
n×4 80874084
n×5 101092605

Division

n÷y
n÷2 10109260.5
n÷3 6739507
n÷3 5054630.25
n÷5 4043704.2

Exponentiation

ny
n2 408788591427441
n3 8.2651007203361E+21
n4 1.6710811248123E+29
n5 3.3786788814721E+36

Nth Root

y√n
2√n 4496.5009729789
3√n 272.42677829558
4√n 67.055954045699
5√n 28.916776392245

Divisors of 20218521

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 -20218520
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 20218521 can be divided by 8 positive divisors. The sum of these divisors (counting 20218521) is 1, the average is 0.125.

Base conversion 20218521

Base System Value
2 Binary 1001101001000001010011001
3 Ternary 1102001012121010
4 Quaternary 1031020022121
5 Quinary 20133443041
6 Senary 2001204133
8 Octal 115101231
10 Decimal 20218521
12 Duodecimal 6930649
16 Hexadecimal 1348299
20 Vigesimal 667661
36 Base36 c1cpl

Cryptographic Hash Functions

md5 932e977fe4aa64ee3868d6704e8f1664
sha1 1f0310c0a654d9597a7ac69c1293bf20bb0e2fd5
sha256 c6cccbc1ba9bd5472662232b80a5d988d5216acb8f521a49433dbcb5976e2074
sha512 9a9ea26fa432ce036c3953799fb5762a930e6fd99803913ba2eb5a3c4f40fee04d9cfaebaec080aef76a141ca6ac1a0dc96c3094ae8d2220f797207b217b0d36
ripemd-160 804bcee3933a56424e92cda9a13d0992d266ecdf

20218521 as geometric shapes

Circle

Radius = n
Diameter 40437042
Circumference 127036714.0801
Area 1.2842472356998E+15

Sphere

Radius = n
Volume 3.4620772938917E+22
Surface area 5.1369889427991E+15
Circumference 127036714.0801

Square

Length = n
Perimeter 80874084
Area 408788591427441
Diagonal 28593306.609325

Cube

Length = n
Surface area 2452731548564646
Volume 8.2651007203361E+21
Space diagonal 35019505.625898

Equilateral Triangle

Length = n
Perimeter 60655563
Area 1.7701065247671E+14
Altitude 17509752.812949

Triangular Pyramid

Length = n
Surface area 1.7701065247671E+14
Volume 9.7405146108992E+20
Height 9531102.2031084