20421709 (number)

20421709 is an odd 8-digits composite number following 20421708 and preceding 20421710. In scientific notation, it is written as 2.0421709 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 14976000 positive integers (up to 20421709) that are relatively prime to 20421709.

Interesting facts

Basic properties

Name

Name twenty million four hundred twenty-one thousand seven hundred nine

Notation

Scientific notation 2.0421709 × 10^7
Engineering notation 2.0421709 × 10^6

Prime Factorization of 20421709

Prime Factorization 77 × 17 × 15601

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20421709
Product of the distinct prime numbers

The prime factorization of 20421709 is 77 × 17 × 15601. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20421709)

Multiplication

n×y
n×2 40843418
n×3 61265127
n×4 81686836
n×5 102108545

Division

n÷y
n÷2 10210854.5
n÷3 6807236.3333333
n÷3 5105427.25
n÷5 4084341.8

Exponentiation

ny
n2 417046198480681
n3 8.5167961049287E+21
n4 1.7392753166719E+29
n5 3.5518974387956E+36

Nth Root

y√n
2√n 4519.0385039298
3√n 273.33633135055
4√n 67.223794179812
5√n 28.974664549837

Divisors of 20421709

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 -20421708
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 20421709 can be divided by 8 positive divisors. The sum of these divisors (counting 20421709) is 1, the average is 0.125.

Base conversion 20421709

Base System Value
2 Binary 1001101111001110001001101
3 Ternary 1102102112022121
4 Quaternary 1031321301031
5 Quinary 20211443314
6 Senary 2005412541
8 Octal 115716115
10 Decimal 20421709
12 Duodecimal 6a0a151
16 Hexadecimal 1379c4d
20 Vigesimal 67ce59
36 Base36 c5php

Cryptographic Hash Functions

md5 492d4e2005a4e0644b85ef525f130175
sha1 8175a27f621c3a256b8bf205c6de79b61d2de6a4
sha256 e1d6c70006e3b78c92b645188e6d5b103e2a322bdd70a76b70452ff3cf166693
sha512 2fc1f394a0f14934bde19d6625466530481f701d717f976251e17dbaa0173ffd06456ac15a09b6da7f9451d3275d38b4114c2ea3552088f7745065c8224e8e4f
ripemd-160 46216245230631584992b62acd3553c6e2877ba4

20421709 as geometric shapes

Circle

Radius = n
Diameter 40843418
Circumference 128313381.9363
Area 1.3101892733545E+15

Sphere

Radius = n
Volume 3.5675072100488E+22
Surface area 5.2407570934178E+15
Circumference 128313381.9363

Square

Length = n
Perimeter 81686836
Area 417046198480681
Diagonal 28880657.834637

Cube

Length = n
Surface area 2502277190884086
Volume 8.5167961049287E+21
Space diagonal 35371437.565387

Equilateral Triangle

Length = n
Perimeter 61265127
Area 1.80586301218E+14
Altitude 17685718.782693

Triangular Pyramid

Length = n
Surface area 1.80586301218E+14
Volume 1.0037140466297E+21
Height 9626885.9448789