21492642 (number)

21492642 is an even 8-digits composite number following 21492641 and preceding 21492643. In scientific notation, it is written as 2.1492642 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 7164212 positive integers (up to 21492642) that are relatively prime to 21492642.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand six hundred forty-two

Notation

Scientific notation 2.1492642 × 10^7
Engineering notation 2.1492642 × 10^6

Prime Factorization of 21492642

Prime Factorization 2 × 3 × 3582107

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21492642
Product of the distinct prime numbers

The prime factorization of 21492642 is 2 × 3 × 3582107. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492642)

Multiplication

n×y
n×2 42985284
n×3 64477926
n×4 85970568
n×5 107463210

Division

n÷y
n÷2 10746321
n÷3 7164214
n÷3 5373160.5
n÷5 4298528.4

Exponentiation

ny
n2 461933660140164
n3 9.9281747851422E+21
n4 2.1338270637049E+29
n5 4.586158117012E+36

Nth Root

y√n
2√n 4636.0157463063
3√n 278.03316375404
4√n 68.088293753819
5√n 29.272375055056

Divisors of 21492642

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21492641
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21492642 can be divided by 8 positive divisors. The sum of these divisors (counting 21492642) is 1, the average is 0.125.

Base conversion 21492642

Base System Value
2 Binary 1010001111111001110100010
3 Ternary 1111102221100210
4 Quaternary 1101333032202
5 Quinary 21000231032
6 Senary 2044354550
8 Octal 121771642
10 Decimal 21492642
12 Duodecimal 7245a56
16 Hexadecimal 147f3a2
20 Vigesimal 6e6bc2
36 Base36 csntu

Cryptographic Hash Functions

md5 1b9220c769160257a4be53411f208f06
sha1 e09dc249e87ba5b1dd4775e3794c0351708a1406
sha256 81710c0534c400b1f5dbee971318475f02e2a7fab8ee9d2efe3872a54adce92b
sha512 de13a64c1c70d977e1caf7c78460beed8c98ff84da2ff19c55ab98bff7c7248e4cfb54e5499c3d1dbf620a7c04d606ba2b7b83ae11807523c04434a3322cc41b
ripemd-160 aec1cd49ddc3955e8e992a3bd041ad26b8336587

21492642 as geometric shapes

Circle

Radius = n
Diameter 42985284
Circumference 135042252.42687
Area 1.4512073931422E+15

Sphere

Radius = n
Volume 4.1587041291411E+22
Surface area 5.8048295725687E+15
Circumference 135042252.42687

Square

Length = n
Perimeter 85970568
Area 461933660140164
Diagonal 30395185.80763

Cube

Length = n
Surface area 2771601960840984
Volume 9.9281747851422E+21
Space diagonal 37226347.932889

Equilateral Triangle

Length = n
Perimeter 64477926
Area 2.0002314227225E+14
Altitude 18613173.966444

Triangular Pyramid

Length = n
Surface area 2.0002314227225E+14
Volume 1.1700466192299E+21
Height 10131728.602543