21091954 (number)

21091954 is an even 8-digits composite number following 21091953 and preceding 21091955. In scientific notation, it is written as 2.1091954 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 9712080 positive integers (up to 21091954) that are relatively prime to 21091954.

Interesting facts

Basic properties

Name

Name twenty-one million ninety-one thousand nine hundred fifty-four

Notation

Scientific notation 2.1091954 × 10^7
Engineering notation 2.1091954 × 10^6

Prime Factorization of 21091954

Prime Factorization 2 × 13 × 659 × 1231

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21091954
Product of the distinct prime numbers

The prime factorization of 21091954 is 2 × 13 × 659 × 1231. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 3, 56, 74, 894, 445, 2059, 3126, 37196, 55603, 793584, 729205, 3789739, 8146309, 58179499, 60764414, 394703667, 552372946, 5499763040, 4688737626

Basic calculations (n = 21091954)

Multiplication

n×y
n×2 42183908
n×3 63275862
n×4 84367816
n×5 105459770

Division

n÷y
n÷2 10545977
n÷3 7030651.3333333
n÷3 5272988.5
n÷5 4218390.8

Exponentiation

ny
n2 444870523538116
n3 9.3831886184219E+21
n4 1.9790978271308E+29
n5 4.1743040331342E+36

Nth Root

y√n
2√n 4592.5977398418
3√n 276.2945203733
4√n 67.768707674278
5√n 29.162406749968

Divisors of 21091954

1, 2, 13, 26, 659, 1231, 1318, 2462, 8567, 16003, 17134, 32006, 811229, 1622458, 10545977, 21091954

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21091953
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21091954 can be divided by 16 positive divisors. The sum of these divisors (counting 21091954) is 1, the average is 0.0625.

Base conversion 21091954

Base System Value
2 Binary 1010000011101011001110010
3 Ternary 1110200120201111
4 Quaternary 1100131121302
5 Quinary 20344420304
6 Senary 2032023534
8 Octal 120353162
10 Decimal 21091954
12 Duodecimal 7091baa
16 Hexadecimal 141d672
20 Vigesimal 6bg9he
36 Base36 ck2nm

Cryptographic Hash Functions

md5 c622aac9231171298530353ac1b97f29
sha1 21f05d693ff47fac6f30b2146e1036a1b835e9c4
sha256 0908ad4f3494a73289c0c6371e22edf205c820e8cfc8253be9263b980e1e2676
sha512 d01f08578751664419a0de3ba7cfbdcb8f5305257ee97c837274fd18e16eb8b109a66cdaa812b1133dbdafd838f17645a919b8d7bd937a46ad13a4d2eaa0abad
ripemd-160 5136eede8953db8f6a9b0f0f35fe60f65c334ac8

21091954 as geometric shapes

Circle

Radius = n
Diameter 42183908
Circumference 132524655.47251
Area 1.397601968546E+15

Sphere

Radius = n
Volume 3.9304208574509E+22
Surface area 5.590407874184E+15
Circumference 132524655.47251

Square

Length = n
Perimeter 84367816
Area 444870523538116
Diagonal 29828527.403749

Cube

Length = n
Surface area 2669223141228696
Volume 9.3831886184219E+21
Space diagonal 36532335.958906

Equilateral Triangle

Length = n
Perimeter 63275862
Area 1.9263458738945E+14
Altitude 18266167.979453

Triangular Pyramid

Length = n
Surface area 1.9263458738945E+14
Volume 1.1058193835398E+21
Height 9942842.4679165