21492968 (number)

21492968 is an even 8-digits composite number following 21492967 and preceding 21492969. In scientific notation, it is written as 2.1492968 × 10^7. The sum of its digits is 41. It has a total of 5 prime factors and 16 positive divisors. There are 9211104 positive integers (up to 21492968) that are relatively prime to 21492968.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand nine hundred sixty-eight

Notation

Scientific notation 2.1492968 × 10^7
Engineering notation 2.1492968 × 10^6

Prime Factorization of 21492968

Prime Factorization 2 × 2 × 2 × 49 × 54829

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5373242
Product of the distinct prime numbers

The prime factorization of 21492968 is 2 × 2 × 2 × 49 × 54829. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 1, 51, 16, 634, 428, 5640, 3930, 84164, 66253, 396087, 776996, 6900417, 2375845, 81986274, 72575272, 194841973, 764352691, 4141408786, 6438921786

Basic calculations (n = 21492968)

Multiplication

n×y
n×2 42985936
n×3 64478904
n×4 85971872
n×5 107464840

Division

n÷y
n÷2 10746484
n÷3 7164322.6666667
n÷3 5373242
n÷5 4298593.6

Exponentiation

ny
n2 461947673449024
n3 9.9286265631143E+21
n4 2.1339565300497E+29
n5 4.5865059413748E+36

Nth Root

y√n
2√n 4636.0509056739
3√n 278.03456948091
4√n 68.088551942848
5√n 29.272463855087

Divisors of 21492968

1, 2, 4, 8, 49, 98, 196, 392, 54829, 109658, 219316, 438632, 2686621, 5373242, 10746484, 21492968

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 -21492967
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 21492968 can be divided by 16 positive divisors. The sum of these divisors (counting 21492968) is 1, the average is 0.0625.

Base conversion 21492968

Base System Value
2 Binary 1010001111111010011101000
3 Ternary 1111102221210212
4 Quaternary 1101333103220
5 Quinary 21000233333
6 Senary 2044400252
8 Octal 121772350
10 Decimal 21492968
12 Duodecimal 7246088
16 Hexadecimal 147f4e8
20 Vigesimal 6e6c88
36 Base36 cso2w

Cryptographic Hash Functions

md5 c60fe907840324ed47cceb80d4c8f270
sha1 2553fef46e1c207b8b9322f48c6c9924aea14e1b
sha256 b09fa6bca1f09215c0a243e17882ee3d2949d8ad1ffbd10b2567d161bf5ddb6c
sha512 2020b3fb6f7a46b989fccaefd48fee93ab9384fdcd18061cbeee2cc8be8be059df13e058776db22ba15fad26ed1162a364b278cb46869ed64b6f52b0f20a92e1
ripemd-160 901c7eefee062f7f356a5aee17efe75e3ac04688

21492968 as geometric shapes

Circle

Radius = n
Diameter 42985936
Circumference 135044300.74528
Area 1.4512514172504E+15

Sphere

Radius = n
Volume 4.1588933694555E+22
Surface area 5.8050056690014E+15
Circumference 135044300.74528

Square

Length = n
Perimeter 85971872
Area 461947673449024
Diagonal 30395646.841251

Cube

Length = n
Surface area 2771686040694144
Volume 9.9286265631143E+21
Space diagonal 37226912.581452

Equilateral Triangle

Length = n
Perimeter 64478904
Area 2.0002921021299E+14
Altitude 18613456.290726

Triangular Pyramid

Length = n
Surface area 2.0002921021299E+14
Volume 1.1700998617745E+21
Height 10131882.280417