20921715 (number)

20921715 is an odd 8-digits composite number following 20921714 and preceding 20921716. In scientific notation, it is written as 2.0921715 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 11158224 positive integers (up to 20921715) that are relatively prime to 20921715.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand seven hundred fifteen

Notation

Scientific notation 2.0921715 × 10^7
Engineering notation 2.0921715 × 10^6

Prime Factorization of 20921715

Prime Factorization 45 × 464927

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20921715
Product of the distinct prime numbers

The prime factorization of 20921715 is 45 × 464927. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921715)

Multiplication

n×y
n×2 41843430
n×3 62765145
n×4 83686860
n×5 104608575

Division

n÷y
n÷2 10460857.5
n÷3 6973905
n÷3 5230428.75
n÷5 4184343

Exponentiation

ny
n2 437718158541225
n3 9.1578145633243E+21
n4 1.9159718631672E+29
n5 4.0085417269203E+36

Nth Root

y√n
2√n 4574.0261258546
3√n 275.54916157433
4√n 67.631546824352
5√n 29.115178454086

Divisors of 20921715

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921714
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921715 can be divided by 4 positive divisors. The sum of these divisors (counting 20921715) is 1, the average is 0.25.

Base conversion 20921715

Base System Value
2 Binary 1001111110011110101110011
3 Ternary 1110100221012100
4 Quaternary 1033303311303
5 Quinary 20323443330
6 Senary 2024231443
8 Octal 117636563
10 Decimal 20921715
12 Duodecimal 700b583
16 Hexadecimal 13f3d73
20 Vigesimal 6af45f
36 Base36 cgfar

Cryptographic Hash Functions

md5 bf6445a2479bc5995ca926db0a6b5868
sha1 483177a5a3880281fa4e68adb3ff137eb07dc5e4
sha256 a8d4e74815fee4e3a28277594cdeab8163b5910e3c699bd790b77fc2a220bbf4
sha512 e8b8f36dcb55345eb4ba7650ca8e5d9c7af98f898b5552efbf5210dc4fa17300759580864dd758ebe22783fd927d0b09ac3c2d54a10803c69afecb6e4074dd38
ripemd-160 0bfe1e0021f85a7bd5c8b026f83a7aa51b216638

20921715 as geometric shapes

Circle

Radius = n
Diameter 41843430
Circumference 131455012.289
Area 1.375132151216E+15

Sphere

Radius = n
Volume 3.8360163940103E+22
Surface area 5.5005286048639E+15
Circumference 131455012.289

Square

Length = n
Perimeter 83686860
Area 437718158541225
Diagonal 29587773.101105

Cube

Length = n
Surface area 2626308951247350
Volume 9.1578145633243E+21
Space diagonal 36237473.361476

Equilateral Triangle

Length = n
Perimeter 62765145
Area 1.8953752249722E+14
Altitude 18118736.680738

Triangular Pyramid

Length = n
Surface area 1.8953752249722E+14
Volume 1.0792587964293E+21
Height 9862591.0337015