21256976 (number)

21256976 is an even 8-digits composite number following 21256975 and preceding 21256977. In scientific notation, it is written as 2.1256976 × 10^7. The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors. There are 9810816 positive integers (up to 21256976) that are relatively prime to 21256976.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1256976 × 10^7
Engineering notation 2.1256976 × 10^6

Prime Factorization of 21256976

Prime Factorization 2 × 2 × 2 × 2 × 13 × 102197

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2657122
Product of the distinct prime numbers

The prime factorization of 21256976 is 2 × 2 × 2 × 2 × 13 × 102197. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 9, 98, 66, 120, 14, 996, 6616, 98738, 80744, 421773, 171358, 5901039, 6286470, 46017937, 26409108, 808378157, 421414541, 8501040759, 2281137704

Basic calculations (n = 21256976)

Multiplication

n×y
n×2 42513952
n×3 63770928
n×4 85027904
n×5 106284880

Division

n÷y
n÷2 10628488
n÷3 7085658.6666667
n÷3 5314244
n÷5 4251395.2

Exponentiation

ny
n2 451859028664576
n3 9.6051565277062E+21
n4 2.0417658178569E+29
n5 4.3401766987805E+36

Nth Root

y√n
2√n 4610.5288199945
3√n 277.01321905575
4√n 67.900874957503
5√n 29.207897538797

Divisors of 21256976

1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 102197, 204394, 408788, 817576, 1328561, 1635152, 2657122, 5314244, 10628488, 21256976

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21256975
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21256976 can be divided by 20 positive divisors. The sum of these divisors (counting 21256976) is 1, the average is 0.05.

Base conversion 21256976

Base System Value
2 Binary 1010001000101101100010000
3 Ternary 1110222222002102
4 Quaternary 1101011230100
5 Quinary 20420210401
6 Senary 2035335532
8 Octal 121055420
10 Decimal 21256976
12 Duodecimal 71515a8
16 Hexadecimal 1445b10
20 Vigesimal 6ch28g
36 Base36 cnlzk

Cryptographic Hash Functions

md5 9300142191e70938b304ded773edfc9f
sha1 86667cc70f0ad664192ec8d44959df5f12b8c15e
sha256 df5611194015b57a010e325d373385322e04b313f1b3c02bc5f52deb05f4e21a
sha512 609399ae4deafae40d1d3e4096ca890685182a9f6b1de650e90b41d3bcd0aada5ef0a8a3619dad48558196db38abd0615c32dfa750674a6fce01762d684d83eb
ripemd-160 1be8efa2e4bc8fb3aeeebb09fadfb3d107eaa581

21256976 as geometric shapes

Circle

Radius = n
Diameter 42513952
Circumference 133561519.27827
Area 1.4195570049109E+15

Sphere

Radius = n
Volume 4.0233985578696E+22
Surface area 5.6782280196434E+15
Circumference 133561519.27827

Square

Length = n
Perimeter 85027904
Area 451859028664576
Diagonal 30061903.754239

Cube

Length = n
Surface area 2711154171987456
Volume 9.6051565277062E+21
Space diagonal 36818162.447272

Equilateral Triangle

Length = n
Perimeter 63770928
Area 1.9566069887644E+14
Altitude 18409081.223636

Triangular Pyramid

Length = n
Surface area 1.9566069887644E+14
Volume 1.1319785525165E+21
Height 10020634.584746