21056989 (number)

21056989 is an odd 8-digits composite number following 21056988 and preceding 21056990. In scientific notation, it is written as 2.1056989 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 21043260 positive integers (up to 21056989) that are relatively prime to 21056989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1056989 × 10^7
Engineering notation 2.1056989 × 10^6

Prime Factorization of 21056989

Prime Factorization 11971 × 1759

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21056989
Product of the distinct prime numbers

The prime factorization of 21056989 is 11971 × 1759. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21056989)

Multiplication

n×y
n×2 42113978
n×3 63170967
n×4 84227956
n×5 105284945

Division

n÷y
n÷2 10528494.5
n÷3 7018996.3333333
n÷3 5264247.25
n÷5 4211397.8

Exponentiation

ny
n2 443396785746121
n3 9.3366012400914E+21
n4 1.9660070960999E+29
n5 4.1398189796498E+36

Nth Root

y√n
2√n 4588.7894917941
3√n 276.14176099871
4√n 67.740604454006
5√n 29.152731587955

Divisors of 21056989

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 -21056988
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 21056989 can be divided by 4 positive divisors. The sum of these divisors (counting 21056989) is 1, the average is 0.25.

Base conversion 21056989

Base System Value
2 Binary 1010000010100110111011101
3 Ternary 1110121210202111
4 Quaternary 1100110313131
5 Quinary 20342310424
6 Senary 2031154021
8 Octal 120246735
10 Decimal 21056989
12 Duodecimal 7075911
16 Hexadecimal 1414ddd
20 Vigesimal 6bc299
36 Base36 cjbod

Cryptographic Hash Functions

md5 4fa256f136aebdfca4c8cf76fae729ce
sha1 a60ae0941b8a6a2a288055bf503ec421bfa21294
sha256 d4360efad77b10482ba85120fa705ecaeaec5a91b62fcb1a3c8b9a41ccb3332b
sha512 dd97519e3efeaf144369be98f943b4e0ba30f255194612d513417138aec90cd1657155859cf1e6a04cd571c0fc1f56e8677401797ffe31afda434f399257ecfd
ripemd-160 21e8015f2f63d226a18f4e91cee195c7d1276f47

21056989 as geometric shapes

Circle

Radius = n
Diameter 42113978
Circumference 132304963.89824
Area 1.3929720847253E+15

Sphere

Radius = n
Volume 3.9109063820491E+22
Surface area 5.5718883389014E+15
Circumference 132304963.89824

Square

Length = n
Perimeter 84227956
Area 443396785746121
Diagonal 29779079.426541

Cube

Length = n
Surface area 2660380714476726
Volume 9.3366012400914E+21
Space diagonal 36471774.802419

Equilateral Triangle

Length = n
Perimeter 63170967
Area 1.9199644020625E+14
Altitude 18235887.401209

Triangular Pyramid

Length = n
Surface area 1.9199644020625E+14
Volume 1.1003290083506E+21
Height 9926359.808847