21231256 (number)

21231256 is an even 8-digits composite number following 21231255 and preceding 21231257. In scientific notation, it is written as 2.1231256 × 10^7. The sum of its digits is 22. It has a total of 4 prime factors and 8 positive divisors. There are 10615624 positive integers (up to 21231256) that are relatively prime to 21231256.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred thirty-one thousand two hundred fifty-six

Notation

Scientific notation 2.1231256 × 10^7
Engineering notation 2.1231256 × 10^6

Prime Factorization of 21231256

Prime Factorization 2 × 2 × 2 × 2653907

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 5307814
Product of the distinct prime numbers

The prime factorization of 21231256 is 2 × 2 × 2 × 2653907. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21231256)

Multiplication

n×y
n×2 42462512
n×3 63693768
n×4 84925024
n×5 106156280

Division

n÷y
n÷2 10615628
n÷3 7077085.3333333
n÷3 5307814
n÷5 4246251.2

Exponentiation

ny
n2 450766231337536
n3 9.5703332536824E+21
n4 2.0319019531425E+29
n5 4.3139830534067E+36

Nth Root

y√n
2√n 4607.7387078696
3√n 276.90144938724
4√n 67.88032636832
5√n 29.200826062877

Divisors of 21231256

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 -21231255
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 21231256 can be divided by 8 positive divisors. The sum of these divisors (counting 21231256) is 1, the average is 0.125.

Base conversion 21231256

Base System Value
2 Binary 1010000111111011010011000
3 Ternary 1110221122210211
4 Quaternary 1100333122120
5 Quinary 20413400011
6 Senary 2035020504
8 Octal 120773230
10 Decimal 21231256
12 Duodecimal 713a734
16 Hexadecimal 143f698
20 Vigesimal 6cdi2g
36 Base36 cn254

Cryptographic Hash Functions

md5 ce80c05bc0335d23e24755bbf33a8cc9
sha1 9448b23d945947125be476abc8496e6434711d9c
sha256 c6fa0759e63dc44ac8e8de833832896ee1e31db53623afae1ccedea7567ed52d
sha512 373497e95a59692e8f9ee4760aca1e9df60a273e92304bd44077823cce4c4a498e352aa658875840641e227f53c9d02dc1232e84a966fab199e071c0ff4b03db
ripemd-160 a2655fd11e6c1b0aff22c7886622d83b22e6afd9

21231256 as geometric shapes

Circle

Radius = n
Diameter 42462512
Circumference 133399915.75217
Area 1.4161238808564E+15

Sphere

Radius = n
Volume 4.0088118189567E+22
Surface area 5.6644955234254E+15
Circumference 133399915.75217

Square

Length = n
Perimeter 84925024
Area 450766231337536
Diagonal 30025530.181415

Cube

Length = n
Surface area 2704597388025216
Volume 9.5703332536824E+21
Space diagonal 36773614.100502

Equilateral Triangle

Length = n
Perimeter 63693768
Area 1.9518750375324E+14
Altitude 18386807.050251

Triangular Pyramid

Length = n
Surface area 1.9518750375324E+14
Volume 1.1278745903157E+21
Height 10008510.060472