20921265 (number)

20921265 is an odd 8-digits composite number following 20921264 and preceding 20921266. In scientific notation, it is written as 2.0921265 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 11157984 positive integers (up to 20921265) that are relatively prime to 20921265.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0921265 × 10^7
Engineering notation 2.0921265 × 10^6

Prime Factorization of 20921265

Prime Factorization 9 × 5 × 464917

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20921265
Product of the distinct prime numbers

The prime factorization of 20921265 is 9 × 5 × 464917. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921265)

Multiplication

n×y
n×2 41842530
n×3 62763795
n×4 83685060
n×5 104606325

Division

n÷y
n÷2 10460632.5
n÷3 6973755
n÷3 5230316.25
n÷5 4184253

Exponentiation

ny
n2 437699329200225
n3 9.1572236565201E+21
n4 1.9158070278233E+29
n5 4.0081106517953E+36

Nth Root

y√n
2√n 4573.976934791
3√n 275.54718598721
4√n 67.63118315386
5√n 29.115053206772

Divisors of 20921265

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 -20921264
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 20921265 can be divided by 8 positive divisors. The sum of these divisors (counting 20921265) is 1, the average is 0.125.

Base conversion 20921265

Base System Value
2 Binary 1001111110011101110110001
3 Ternary 1110100220120200
4 Quaternary 1033303232301
5 Quinary 20323440030
6 Senary 2024225413
8 Octal 117635661
10 Decimal 20921265
12 Duodecimal 700b269
16 Hexadecimal 13f3bb1
20 Vigesimal 6af335
36 Base36 cgey9

Cryptographic Hash Functions

md5 4d79a43d9748e902887c5c27ee14f3c7
sha1 90447edcd0d2ee57134866f27e180403801ce07d
sha256 4fc83bcddf6eff12017ebfba5845697b47c2c931e35b025bd3a4de28e9fd7e0a
sha512 63eda3462b1515d84695c6300bd8347232a7afa835f62c151b50543384ee46410be4f40b0893d3f88193b4573bde7bfe4446c7de9be4cc3c4ee2bc665c32325e
ripemd-160 1fde07841d762c5d1b82df172ab7fb73c6a17255

20921265 as geometric shapes

Circle

Radius = n
Diameter 41842530
Circumference 131452184.85561
Area 1.3750729970966E+15

Sphere

Radius = n
Volume 3.835768875547E+22
Surface area 5.5002919883864E+15
Circumference 131452184.85561

Square

Length = n
Perimeter 83685060
Area 437699329200225
Diagonal 29587136.705002

Cube

Length = n
Surface area 2626195975201350
Volume 9.1572236565201E+21
Space diagonal 36236693.938612

Equilateral Triangle

Length = n
Perimeter 62763795
Area 1.895293691534E+14
Altitude 18118346.969306

Triangular Pyramid

Length = n
Surface area 1.895293691534E+14
Volume 1.0791891573945E+21
Height 9862378.9016672