21158047 (number)

21158047 is an odd 8-digits composite number following 21158046 and preceding 21158048. In scientific notation, it is written as 2.1158047 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 19913440 positive integers (up to 21158047) that are relatively prime to 21158047.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred fifty-eight thousand forty-seven

Notation

Scientific notation 2.1158047 × 10^7
Engineering notation 2.1158047 × 10^6

Prime Factorization of 21158047

Prime Factorization 17 × 1244591

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21158047
Product of the distinct prime numbers

The prime factorization of 21158047 is 17 × 1244591. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21158047)

Multiplication

n×y
n×2 42316094
n×3 63474141
n×4 84632188
n×5 105790235

Division

n÷y
n÷2 10579023.5
n÷3 7052682.3333333
n÷3 5289511.75
n÷5 4231609.4

Exponentiation

ny
n2 447662952854209
n3 9.4716737966481E+21
n4 2.0040211935815E+29
n5 4.2401174602793E+36

Nth Root

y√n
2√n 4599.7877124928
3√n 276.58281502702
4√n 67.82173480893
5√n 29.180660341739

Divisors of 21158047

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 -21158046
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 21158047 can be divided by 4 positive divisors. The sum of these divisors (counting 21158047) is 1, the average is 0.25.

Base conversion 21158047

Base System Value
2 Binary 1010000101101100010011111
3 Ternary 1110210221101101
4 Quaternary 1100231202133
5 Quinary 20404024142
6 Senary 2033253531
8 Octal 120554237
10 Decimal 21158047
12 Duodecimal 71042a7
16 Hexadecimal 142d89f
20 Vigesimal 6c4f27
36 Base36 clhnj

Cryptographic Hash Functions

md5 6700ab49e10fff3724a027c24009b7f1
sha1 27c6644f880326fd948c191f38ce714ee82ff83a
sha256 0933bd34925360b88a42fe0cf3e458e53d4dac8f8588587ef5c01477036616ca
sha512 90586d6985689199ac790362ef223a78a6214d8813a4595a0f0e30346c82a4a7dc22a3769a9428d42d6793725333591c193952fc5f406c92d8aae2cd12f29439
ripemd-160 fcf9a9f3e7504b17784e38cefb216e65a3eb3a48

21158047 as geometric shapes

Circle

Radius = n
Diameter 42316094
Circumference 132939930.03902
Area 1.4063746439711E+15

Sphere

Radius = n
Volume 3.9674854422332E+22
Surface area 5.6254985758844E+15
Circumference 132939930.03902

Square

Length = n
Perimeter 84632188
Area 447662952854209
Diagonal 29921997.020727

Cube

Length = n
Surface area 2685977717125254
Volume 9.4716737966481E+21
Space diagonal 36646812.39293

Equilateral Triangle

Length = n
Perimeter 63474141
Area 1.9384374475245E+14
Altitude 18323406.196465

Triangular Pyramid

Length = n
Surface area 1.9384374475245E+14
Volume 1.1162474617995E+21
Height 9973999.0069091