20921465 (number)

20921465 is an odd 8-digits composite number following 20921464 and preceding 20921466. In scientific notation, it is written as 2.0921465 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 16284672 positive integers (up to 20921465) that are relatively prime to 20921465.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand four hundred sixty-five

Notation

Scientific notation 2.0921465 × 10^7
Engineering notation 2.0921465 × 10^6

Prime Factorization of 20921465

Prime Factorization 5 × 37 × 113089

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20921465
Product of the distinct prime numbers

The prime factorization of 20921465 is 5 × 37 × 113089. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921465)

Multiplication

n×y
n×2 41842930
n×3 62764395
n×4 83685860
n×5 104607325

Division

n÷y
n÷2 10460732.5
n÷3 6973821.6666667
n÷3 5230366.25
n÷5 4184293

Exponentiation

ny
n2 437707697746225
n3 9.1574862786282E+21
n4 1.915880286663E+29
n5 4.008302236161E+36

Nth Root

y√n
2√n 4573.9987975512
3√n 275.54806402943
4√n 67.631344785914
5√n 29.115108872511

Divisors of 20921465

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 -20921464
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 20921465 can be divided by 8 positive divisors. The sum of these divisors (counting 20921465) is 1, the average is 0.125.

Base conversion 20921465

Base System Value
2 Binary 1001111110011110001111001
3 Ternary 1110100220212002
4 Quaternary 1033303301321
5 Quinary 20323441330
6 Senary 2024230345
8 Octal 117636171
10 Decimal 20921465
12 Duodecimal 700b3b5
16 Hexadecimal 13f3c79
20 Vigesimal 6af3d5
36 Base36 cgf3t

Cryptographic Hash Functions

md5 8e180cf4163c4cf51d1f30ab36943ff6
sha1 98dcc85f1e4a7867484718078790ddc46b79aca2
sha256 198e5b7aed3a40d214316bb10cb5bf6633e8945b3a99b59316796ffa9f9348d3
sha512 f3d268fd141060c9b9c8e71768522ca0e11ae99ba3201795f9ccf47fe1e6066fac4682286bfda5d9bc352e48ef1ba9a6ef18c60d3c3a0326a7a3b05ef1377234
ripemd-160 5c7f2f56ab020d78f56cd54d962783e05fcaf6ed

20921465 as geometric shapes

Circle

Radius = n
Diameter 41842930
Circumference 131453441.49267
Area 1.3750992876592E+15

Sphere

Radius = n
Volume 3.8358788824384E+22
Surface area 5.500397150637E+15
Circumference 131453441.49267

Square

Length = n
Perimeter 83685860
Area 437707697746225
Diagonal 29587419.547714

Cube

Length = n
Surface area 2626246186477350
Volume 9.1574862786282E+21
Space diagonal 36237040.348774

Equilateral Triangle

Length = n
Perimeter 62764395
Area 1.8953299284012E+14
Altitude 18118520.174387

Triangular Pyramid

Length = n
Surface area 1.8953299284012E+14
Volume 1.0792201077068E+21
Height 9862473.1825713