21492454 (number)

21492454 is an even 8-digits composite number following 21492453 and preceding 21492455. In scientific notation, it is written as 2.1492454 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 9922432 positive integers (up to 21492454) that are relatively prime to 21492454.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1492454 × 10^7
Engineering notation 2.1492454 × 10^6

Prime Factorization of 21492454

Prime Factorization 2 × 17 × 53 × 11927

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21492454
Product of the distinct prime numbers

The prime factorization of 21492454 is 2 × 17 × 53 × 11927. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492454)

Multiplication

n×y
n×2 42984908
n×3 64477362
n×4 85969816
n×5 107462270

Division

n÷y
n÷2 10746227
n÷3 7164151.3333333
n÷3 5373113.5
n÷5 4298490.8

Exponentiation

ny
n2 461925578942116
n3 9.9279142568368E+21
n4 2.1337524048101E+29
n5 4.585957540777E+36

Nth Root

y√n
2√n 4635.9954702307
3√n 278.032353083
4√n 68.088144858196
5√n 29.272323844733

Divisors of 21492454

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 -21492453
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 21492454 can be divided by 16 positive divisors. The sum of these divisors (counting 21492454) is 1, the average is 0.0625.

Base conversion 21492454

Base System Value
2 Binary 1010001111111001011100110
3 Ternary 1111102221002211
4 Quaternary 1101333023212
5 Quinary 21000224304
6 Senary 2044354034
8 Octal 121771346
10 Decimal 21492454
12 Duodecimal 724591a
16 Hexadecimal 147f2e6
20 Vigesimal 6e6b2e
36 Base36 csnom

Cryptographic Hash Functions

md5 d9264e6f5309cb8d9a7e280b618fb4d3
sha1 55c08de84d7d396f7a0cae7faf5d49945b015ef6
sha256 b5965208a3e27b06e833c24a596482acd5f63ad6cec2aaceb8f4f5a247d6fd2e
sha512 9f9a8a473c158563fb9be7a025a8ce1ad6e8eaeb47fc0caaf38179d875f3b4455a1ba28c4cbb939913d4770dc2c23e190f7a260c9b5efceeb5eea13acc262601
ripemd-160 2aaed6e94f1eb412fad1559d8a236ea21cf9c33e

21492454 as geometric shapes

Circle

Radius = n
Diameter 42984908
Circumference 135041071.18803
Area 1.4511820053098E+15

Sphere

Radius = n
Volume 4.1585949992997E+22
Surface area 5.8047280212391E+15
Circumference 135041071.18803

Square

Length = n
Perimeter 85969816
Area 461925578942116
Diagonal 30394919.93548

Cube

Length = n
Surface area 2771553473652696
Volume 9.9279142568368E+21
Space diagonal 37226022.307337

Equilateral Triangle

Length = n
Perimeter 64477362
Area 2.0001964301085E+14
Altitude 18613011.153668

Triangular Pyramid

Length = n
Surface area 2.0001964301085E+14
Volume 1.1700159156747E+21
Height 10131639.978493