21056979 (number)

21056979 is an odd 8-digits composite number following 21056978 and preceding 21056980. In scientific notation, it is written as 2.1056979 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 14023296 positive integers (up to 21056979) that are relatively prime to 21056979.

Interesting facts

Basic properties

Name

Name twenty-one million fifty-six thousand nine hundred seventy-nine

Notation

Scientific notation 2.1056979 × 10^7
Engineering notation 2.1056979 × 10^6

Prime Factorization of 21056979

Prime Factorization 3 × 1129 × 6217

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21056979
Product of the distinct prime numbers

The prime factorization of 21056979 is 3 × 1129 × 6217. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21056979)

Multiplication

n×y
n×2 42113958
n×3 63170937
n×4 84227916
n×5 105284895

Division

n÷y
n÷2 10528489.5
n÷3 7018993
n÷3 5264244.75
n÷5 4211395.8

Exponentiation

ny
n2 443396364606441
n3 9.3365879381942E+21
n4 1.9660033614621E+29
n5 4.1398091496236E+36

Nth Root

y√n
2√n 4588.788402182
3√n 276.14171728531
4√n 67.740596411472
5√n 29.152728819018

Divisors of 21056979

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 -21056978
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 21056979 can be divided by 8 positive divisors. The sum of these divisors (counting 21056979) is 1, the average is 0.125.

Base conversion 21056979

Base System Value
2 Binary 1010000010100110111010011
3 Ternary 1110121210202010
4 Quaternary 1100110313103
5 Quinary 20342310404
6 Senary 2031154003
8 Octal 120246723
10 Decimal 21056979
12 Duodecimal 7075903
16 Hexadecimal 1414dd3
20 Vigesimal 6bc28j
36 Base36 cjbo3

Cryptographic Hash Functions

md5 60b0786e382d54abf38bb0e048d2a620
sha1 39a551c7d4210611c209b3044ed76ba7da55ea33
sha256 5df62ec1ce1ae5f3d14fa796973ec8d6180307359433f4de605bba1fb85b2549
sha512 b5cf10b218a9e73e991bd7b6065c82f3f5af3c7f35bd047b35834ba8a473f7e231236f3b04ed4fca918f6b62376284a227d3ba96083553269f11fcb5623408f4
ripemd-160 911fbdb784b6f56c674f0de11a8d8ee959cc5e55

21056979 as geometric shapes

Circle

Radius = n
Diameter 42113958
Circumference 132304901.06639
Area 1.392970761676E+15

Sphere

Radius = n
Volume 3.9109008101635E+22
Surface area 5.5718830467041E+15
Circumference 132304901.06639

Square

Length = n
Perimeter 84227916
Area 443396364606441
Diagonal 29779065.284405

Cube

Length = n
Surface area 2660378187638646
Volume 9.3365879381942E+21
Space diagonal 36471757.481911

Equilateral Triangle

Length = n
Perimeter 63170937
Area 1.9199625784742E+14
Altitude 18235878.740955

Triangular Pyramid

Length = n
Surface area 1.9199625784742E+14
Volume 1.1003274407069E+21
Height 9926355.0948018