21031486 (number)

21031486 is an even 8-digits composite number following 21031485 and preceding 21031487. In scientific notation, it is written as 2.1031486 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors. There are 9013452 positive integers (up to 21031486) that are relatively prime to 21031486.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand four hundred eighty-six

Notation

Scientific notation 2.1031486 × 10^7
Engineering notation 2.1031486 × 10^6

Prime Factorization of 21031486

Prime Factorization 2 × 7 × 7 × 214607

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 3004498
Product of the distinct prime numbers

The prime factorization of 21031486 is 2 × 7 × 7 × 214607. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031486)

Multiplication

n×y
n×2 42062972
n×3 63094458
n×4 84125944
n×5 105157430

Division

n÷y
n÷2 10515743
n÷3 7010495.3333333
n÷3 5257871.5
n÷5 4206297.2

Exponentiation

ny
n2 442323403368196
n3 9.3027184654106E+21
n4 1.9564999316722E+29
n5 4.1148100921966E+36

Nth Root

y√n
2√n 4586.0098124622
3√n 276.03023368304
4√n 67.720084262073
5√n 29.145666545935

Divisors of 21031486

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031485
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031486 can be divided by 12 positive divisors. The sum of these divisors (counting 21031486) is 1, the average is 0.083333333333333.

Base conversion 21031486

Base System Value
2 Binary 1010000001110101000111110
3 Ternary 1110120111202221
4 Quaternary 1100032220332
5 Quinary 20341001421
6 Senary 2030435554
8 Octal 120165076
10 Decimal 21031486
12 Duodecimal 7062bba
16 Hexadecimal 140ea3e
20 Vigesimal 6b8ie6
36 Base36 cirzy

Cryptographic Hash Functions

md5 c77383e514a81f99c4cc18c0f8535028
sha1 05e64e8ba9148152a4546e52d86151cd66c92e0e
sha256 24f1f090ee6ecc608c286c58fcec792b3332f30555ef64c213fe849273986206
sha512 afbdff68c8c51c4a1388ea238928e6e804dc492717cc42022a3ecc0ab531f2f9710f6145397474e6a592301ef09a52756998208263cbf8fe54cbcca9995535c5
ripemd-160 4ff7fc78f379eb63945ad86b5416a852be1ebf2b

21031486 as geometric shapes

Circle

Radius = n
Diameter 42062972
Circumference 132144723.82335
Area 1.3895999545324E+15

Sphere

Radius = n
Volume 3.8967135985797E+22
Surface area 5.5583998181294E+15
Circumference 132144723.82335

Square

Length = n
Perimeter 84125944
Area 442323403368196
Diagonal 29743012.73806

Cube

Length = n
Surface area 2653940420209176
Volume 9.3027184654106E+21
Space diagonal 36427602.310674

Equilateral Triangle

Length = n
Perimeter 63094458
Area 1.9153165200262E+14
Altitude 18213801.155337

Triangular Pyramid

Length = n
Surface area 1.9153165200262E+14
Volume 1.0963358850602E+21
Height 9914337.5793533