21031618 (number)

21031618 is an even 8-digits composite number following 21031617 and preceding 21031619. In scientific notation, it is written as 2.1031618 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 9897216 positive integers (up to 21031618) that are relatively prime to 21031618.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand six hundred eighteen

Notation

Scientific notation 2.1031618 × 10^7
Engineering notation 2.1031618 × 10^6

Prime Factorization of 21031618

Prime Factorization 2 × 17 × 618577

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21031618
Product of the distinct prime numbers

The prime factorization of 21031618 is 2 × 17 × 618577. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031618)

Multiplication

n×y
n×2 42063236
n×3 63094854
n×4 84126472
n×5 105158090

Division

n÷y
n÷2 10515809
n÷3 7010539.3333333
n÷3 5257904.5
n÷5 4206323.6

Exponentiation

ny
n2 442328955697924
n3 9.3028936265777E+21
n4 1.9565490504882E+29
n5 4.114939222813E+36

Nth Root

y√n
2√n 4586.0242040356
3√n 276.03081116505
4√n 67.720190519782
5√n 29.145703131256

Divisors of 21031618

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 -21031617
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 21031618 can be divided by 8 positive divisors. The sum of these divisors (counting 21031618) is 1, the average is 0.125.

Base conversion 21031618

Base System Value
2 Binary 1010000001110101011000010
3 Ternary 1110120111221211
4 Quaternary 1100032223002
5 Quinary 20341002433
6 Senary 2030440334
8 Octal 120165302
10 Decimal 21031618
12 Duodecimal 70630aa
16 Hexadecimal 140eac2
20 Vigesimal 6b8j0i
36 Base36 cis3m

Cryptographic Hash Functions

md5 472e73c3b6cad5e52d3f272c7a92d6f6
sha1 dc230db2bc19d20fff5bba19f33a94671c86f4ab
sha256 bd11548dde2e2dab3856bb5f436e76726232cc13f898f8b3676219f075457bee
sha512 857dc4130527a6e2735d913e6244dc64cc2a4c7aff5c07f35f14793df9ffe9b3f3bba7c9327174693bb1469d5a59c9524398b44f9927f8ed0c62df07e7fb64ca
ripemd-160 1572db3a34caf89577ac831f84bd86c56552fdbb

21031618 as geometric shapes

Circle

Radius = n
Diameter 42063236
Circumference 132145553.20381
Area 1.3896173976906E+15

Sphere

Radius = n
Volume 3.8967869699178E+22
Surface area 5.5584695907626E+15
Circumference 132145553.20381

Square

Length = n
Perimeter 84126472
Area 442328955697924
Diagonal 29743199.41425

Cube

Length = n
Surface area 2653973734187544
Volume 9.3028936265777E+21
Space diagonal 36427830.94138

Equilateral Triangle

Length = n
Perimeter 63094854
Area 1.9153405623192E+14
Altitude 18213915.47069

Triangular Pyramid

Length = n
Surface area 1.9153405623192E+14
Volume 1.0963565280017E+21
Height 9914399.80475