21243497 (number)

21243497 is an odd 8-digits composite number following 21243496 and preceding 21243498. In scientific notation, it is written as 2.1243497 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 19312260 positive integers (up to 21243497) that are relatively prime to 21243497.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred forty-three thousand four hundred ninety-seven

Notation

Scientific notation 2.1243497 × 10^7
Engineering notation 2.1243497 × 10^6

Prime Factorization of 21243497

Prime Factorization 11 × 1931227

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21243497
Product of the distinct prime numbers

The prime factorization of 21243497 is 11 × 1931227. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21243497)

Multiplication

n×y
n×2 42486994
n×3 63730491
n×4 84973988
n×5 106217485

Division

n÷y
n÷2 10621748.5
n÷3 7081165.6666667
n÷3 5310874.25
n÷5 4248699.4

Exponentiation

ny
n2 451286164789009
n3 9.5868962878368E+21
n4 2.0365920252997E+29
n5 4.3264336579679E+36

Nth Root

y√n
2√n 4609.0668252912
3√n 276.95465552554
4√n 67.890108449547
5√n 29.204192466684

Divisors of 21243497

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21243496
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21243497 can be divided by 4 positive divisors. The sum of these divisors (counting 21243497) is 1, the average is 0.25.

Base conversion 21243497

Base System Value
2 Binary 1010001000010011001101001
3 Ternary 1110222021121012
4 Quaternary 1101002121221
5 Quinary 20414242442
6 Senary 2035153305
8 Octal 121023151
10 Decimal 21243497
12 Duodecimal 7145835
16 Hexadecimal 1442669
20 Vigesimal 6cf8eh
36 Base36 cnbl5

Cryptographic Hash Functions

md5 9557e7cac132d4fe1ed11bbe5c93c3c2
sha1 7e1c5951be705d3f43f2cea4815d3eec077d1e56
sha256 4920f96713a231b2478b570090b00ec93a4567d32f645e340190a0f226030253
sha512 bc2f26f38c9a39a9bb870d0904feb0bdfc1096f1b8179ccf82111d236c55466008fbea3db2f4176a11f09702431c1ba2a33bb4501a1ed0d10cd0705740837ed9
ripemd-160 1c5b5185304a32f245c011f9685c37fc97b2a9e4

21243497 as geometric shapes

Circle

Radius = n
Diameter 42486994
Circumference 133476828.22351
Area 1.4177572999679E+15

Sphere

Radius = n
Volume 4.0157497264794E+22
Surface area 5.6710291998715E+15
Circumference 133476828.22351

Square

Length = n
Perimeter 84973988
Area 451286164789009
Diagonal 30042841.569632

Cube

Length = n
Surface area 2707716988734054
Volume 9.5868962878368E+21
Space diagonal 36794816.134437

Equilateral Triangle

Length = n
Perimeter 63730491
Area 1.9541264154187E+14
Altitude 18397408.067219

Triangular Pyramid

Length = n
Surface area 1.9541264154187E+14
Volume 1.1298265626103E+21
Height 10014280.523211