21491452 (number)

21491452 is an even 8-digits composite number following 21491451 and preceding 21491453. In scientific notation, it is written as 2.1491452 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 10697936 positive integers (up to 21491452) that are relatively prime to 21491452.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1491452 × 10^7
Engineering notation 2.1491452 × 10^6

Prime Factorization of 21491452

Prime Factorization 2 × 2 × 227 × 23669

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10745726
Product of the distinct prime numbers

The prime factorization of 21491452 is 2 × 2 × 227 × 23669. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491452)

Multiplication

n×y
n×2 42982904
n×3 64474356
n×4 85965808
n×5 107457260

Division

n÷y
n÷2 10745726
n÷3 7163817.3333333
n÷3 5372863
n÷5 4298290.4

Exponentiation

ny
n2 461882509068304
n3 9.926525773281E+21
n4 2.1333545218323E+29
n5 4.5848886304942E+36

Nth Root

y√n
2√n 4635.8874015662
3√n 278.02803229911
4√n 68.087351259732
5√n 29.272050898558

Divisors of 21491452

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 -21491451
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 21491452 can be divided by 12 positive divisors. The sum of these divisors (counting 21491452) is 1, the average is 0.083333333333333.

Base conversion 21491452

Base System Value
2 Binary 1010001111110111011111100
3 Ternary 1111102212201201
4 Quaternary 1101332323330
5 Quinary 21000211302
6 Senary 2044345244
8 Octal 121767374
10 Decimal 21491452
12 Duodecimal 7245224
16 Hexadecimal 147eefc
20 Vigesimal 6e68cc
36 Base36 csmws

Cryptographic Hash Functions

md5 1c0a464105d914f548bc378a4750a566
sha1 83e22e871a790d2a1fcf10689857d1bd50da6a65
sha256 7efd1e399b3111c59f68fd2a1e6e7a9ab20e0eea90b42ace5d6481f5ec87806c
sha512 743545b9756c457beb844ea62d2d4669a8350c12bef06eaf796ed0f26b2d854a07d98610ee0efe9150202977ff5dbcf6bb1522c5a5b3a868265927bf2c7893c1
ripemd-160 070637209d9a8cc2ba5bb6dc1376ec1a32123e4f

21491452 as geometric shapes

Circle

Radius = n
Diameter 42982904
Circumference 135034775.43636
Area 1.4510466973106E+15

Sphere

Radius = n
Volume 4.1580133926679E+22
Surface area 5.8041867892424E+15
Circumference 135034775.43636

Square

Length = n
Perimeter 85965808
Area 461882509068304
Diagonal 30393502.89349

Cube

Length = n
Surface area 2771295054409824
Volume 9.926525773281E+21
Space diagonal 37224286.792428

Equilateral Triangle

Length = n
Perimeter 64474356
Area 2.0000099320842E+14
Altitude 18612143.396214

Triangular Pyramid

Length = n
Surface area 2.0000099320842E+14
Volume 1.1698522813183E+21
Height 10131167.631163