21357730 (number)

21357730 is an even 8-digits composite number following 21357729 and preceding 21357731. In scientific notation, it is written as 2.1357730 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 8543088 positive integers (up to 21357730) that are relatively prime to 21357730.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred fifty-seven thousand seven hundred thirty

Notation

Scientific notation 2.1357730 × 10^7
Engineering notation 2.1357730 × 10^6

Prime Factorization of 21357730

Prime Factorization 2 × 5 × 2135773

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21357730
Product of the distinct prime numbers

The prime factorization of 21357730 is 2 × 5 × 2135773. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21357730)

Multiplication

n×y
n×2 42715460
n×3 64073190
n×4 85430920
n×5 106788650

Division

n÷y
n÷2 10678865
n÷3 7119243.3333333
n÷3 5339432.5
n÷5 4271546

Exponentiation

ny
n2 456152630752900
n3 9.7423847264101E+21
n4 2.0807522254279E+29
n5 4.4440144227589E+36

Nth Root

y√n
2√n 4621.4424155235
3√n 277.45019261371
4√n 67.981191630653
5√n 29.235533162752

Divisors of 21357730

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 -21357729
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 21357730 can be divided by 8 positive divisors. The sum of these divisors (counting 21357730) is 1, the average is 0.125.

Base conversion 21357730

Base System Value
2 Binary 1010001011110010010100010
3 Ternary 1111012002022001
4 Quaternary 1101132102202
5 Quinary 20431421410
6 Senary 2041434214
8 Octal 121362242
10 Decimal 21357730
12 Duodecimal 719b96a
16 Hexadecimal 145e4a2
20 Vigesimal 6d9e6a
36 Base36 cprqa

Cryptographic Hash Functions

md5 691e0fcce16975f5e51ee0a9383c32db
sha1 c4ef93df376d773d0e19480a66d897daf5d510c3
sha256 c228daf4031013453bdd8e355e27d1a91613ea86fe88f1c7fc5fff8ec6f95a0f
sha512 0dc47d66276f4864074ea1e583c3478144ece660fba276952eac16e4a9b57121636421a1780a448bd578939c832b223aae2fff44f0ff656b4dfe2681559568b8
ripemd-160 d699b76eb6770e71f7f801b2a27209a7c367db27

21357730 as geometric shapes

Circle

Radius = n
Diameter 42715460
Circumference 134194575.33071
Area 1.433045753689E+15

Sphere

Radius = n
Volume 4.0808805713247E+22
Surface area 5.7321830147559E+15
Circumference 134194575.33071

Square

Length = n
Perimeter 85430920
Area 456152630752900
Diagonal 30204391.427503

Cube

Length = n
Surface area 2736915784517400
Volume 9.7423847264101E+21
Space diagonal 36992673.494338

Equilateral Triangle

Length = n
Perimeter 64073190
Area 1.9751988311756E+14
Altitude 18496336.747169

Triangular Pyramid

Length = n
Surface area 1.9751988311756E+14
Volume 1.1481510508288E+21
Height 10068130.475834