20921349 (number)

20921349 is an odd 8-digits composite number following 20921348 and preceding 20921350. In scientific notation, it is written as 2.0921349 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 13523328 positive integers (up to 20921349) that are relatively prime to 20921349.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand three hundred forty-nine

Notation

Scientific notation 2.0921349 × 10^7
Engineering notation 2.0921349 × 10^6

Prime Factorization of 20921349

Prime Factorization 3 × 157 × 43 × 1033

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20921349
Product of the distinct prime numbers

The prime factorization of 20921349 is 3 × 157 × 43 × 1033. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921349)

Multiplication

n×y
n×2 41842698
n×3 62764047
n×4 83685396
n×5 104606745

Division

n÷y
n÷2 10460674.5
n÷3 6973783
n÷3 5230337.25
n÷5 4184269.8

Exponentiation

ny
n2 437702843979801
n3 9.157333957194E+21
n4 1.9158377962801E+29
n5 4.0081911163366E+36

Nth Root

y√n
2√n 4573.986117163
3√n 275.54755476563
4√n 67.631251039464
5√n 29.115076586434

Divisors of 20921349

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921348
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921349 can be divided by 16 positive divisors. The sum of these divisors (counting 20921349) is 1, the average is 0.0625.

Base conversion 20921349

Base System Value
2 Binary 1001111110011110000000101
3 Ternary 1110100220200210
4 Quaternary 1033303300011
5 Quinary 20323440344
6 Senary 2024230033
8 Octal 117636005
10 Decimal 20921349
12 Duodecimal 700b319
16 Hexadecimal 13f3c05
20 Vigesimal 6af379
36 Base36 cgf0l

Cryptographic Hash Functions

md5 d7c25426d08caafb84c36bb19f1dcb0f
sha1 fe198ab6e07fd6e4f99359163ef067f507a23cab
sha256 75f7b6e5c9a6879ba9395f397c600f08ee0bd6092bba35ebe662dd9c9ed4c46a
sha512 1dbc0754db9571e1ff5f158adaa982cd0c8a782ec610dc96568ae0e3b0b774af44a4ea50b7c884dda0ba6e70702170d0da90901a21677507484562a00f58bece
ripemd-160 3900cb81df117183ca5f647cb9418b364b6830b6

20921349 as geometric shapes

Circle

Radius = n
Diameter 41842698
Circumference 131452712.64318
Area 1.3750840391023E+15

Sphere

Radius = n
Volume 3.8358150781852E+22
Surface area 5.5003361564092E+15
Circumference 131452712.64318

Square

Length = n
Perimeter 83685396
Area 437702843979801
Diagonal 29587255.498941

Cube

Length = n
Surface area 2626217063878806
Volume 9.157333957194E+21
Space diagonal 36236839.43088

Equilateral Triangle

Length = n
Perimeter 62764047
Area 1.895308910976E+14
Altitude 18118419.71544

Triangular Pyramid

Length = n
Surface area 1.895308910976E+14
Volume 1.0792021564536E+21
Height 9862418.4996469