21497844 (number)

21497844 is an even 8-digits composite number following 21497843 and preceding 21497845. In scientific notation, it is written as 2.1497844 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors. There are 7165944 positive integers (up to 21497844) that are relatively prime to 21497844.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-seven thousand eight hundred forty-four

Notation

Scientific notation 2.1497844 × 10^7
Engineering notation 2.1497844 × 10^6

Prime Factorization of 21497844

Prime Factorization 2 × 2 × 3 × 1791487

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10748922
Product of the distinct prime numbers

The prime factorization of 21497844 is 2 × 2 × 3 × 1791487. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 7, 30, 82, 352, 149, 3576, 6307, 31451, 76509, 21061, 656466, 6427658, 5590321, 38260076, 90253900, 701406252, 70776633, 4573806835, 4499596240

Basic calculations (n = 21497844)

Multiplication

n×y
n×2 42995688
n×3 64493532
n×4 85991376
n×5 107489220

Division

n÷y
n÷2 10748922
n÷3 7165948
n÷3 5374461
n÷5 4299568.8

Exponentiation

ny
n2 462157296648336
n3 9.9353854668076E+21
n4 2.135893668453E+29
n5 4.591710888499E+36

Nth Root

y√n
2√n 4636.5767544601
3√n 278.05559331924
4√n 68.092413339961
5√n 29.273791913484

Divisors of 21497844

1, 2, 3, 4, 6, 12, 1791487, 3582974, 5374461, 7165948, 10748922, 21497844

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21497843
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21497844 can be divided by 12 positive divisors. The sum of these divisors (counting 21497844) is 1, the average is 0.083333333333333.

Base conversion 21497844

Base System Value
2 Binary 1010010000000011111110100
3 Ternary 1111110012111110
4 Quaternary 1102000133310
5 Quinary 21000412334
6 Senary 2044435020
8 Octal 122003764
10 Decimal 21497844
12 Duodecimal 7248a70
16 Hexadecimal 14807f4
20 Vigesimal 6e74c4
36 Base36 csruc

Cryptographic Hash Functions

md5 20da251f92ea49948124bb8ead5af999
sha1 8a80d4ac7ffcc42e971deed3f257fa7046cfbf52
sha256 356e43ded5c2a55e25932ffa47a08a103323d33d4e3a27a8d480fb90884316b9
sha512 e998858f91ecb22ca71279a00a650a0569a2a0dc41c9f752488a768da24d4372e96b12b6fb13d49df0c18ba149639d12be2683e53c491f08555216c34863e1c8
ripemd-160 17ed69c319a878cebbcf6f76813fa8113f4978f5

21497844 as geometric shapes

Circle

Radius = n
Diameter 42995688
Circumference 135074937.55684
Area 1.4519099679533E+15

Sphere

Radius = n
Volume 4.1617245324141E+22
Surface area 5.8076398718133E+15
Circumference 135074937.55684

Square

Length = n
Perimeter 85991376
Area 462157296648336
Diagonal 30402542.546581

Cube

Length = n
Surface area 2772943779890016
Volume 9.9353854668076E+21
Space diagonal 37235358.06119

Equilateral Triangle

Length = n
Perimeter 64493532
Area 2.001199797209E+14
Altitude 18617679.030595

Triangular Pyramid

Length = n
Surface area 2.001199797209E+14
Volume 1.1708964062137E+21
Height 10134180.84886