21492690 (number)

21492690 is an even 8-digits composite number following 21492689 and preceding 21492691. In scientific notation, it is written as 2.1492690 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 5597760 positive integers (up to 21492690) that are relatively prime to 21492690.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1492690 × 10^7
Engineering notation 2.1492690 × 10^6

Prime Factorization of 21492690

Prime Factorization 2 × 15 × 43 × 16661

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21492690
Product of the distinct prime numbers

The prime factorization of 21492690 is 2 × 15 × 43 × 16661. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492690)

Multiplication

n×y
n×2 42985380
n×3 64478070
n×4 85970760
n×5 107463450

Division

n÷y
n÷2 10746345
n÷3 7164230
n÷3 5373172.5
n÷5 4298538

Exponentiation

ny
n2 461935723436100
n3 9.9282413037378E+21
n4 2.1338461258643E+29
n5 4.5862093290903E+36

Nth Root

y√n
2√n 4636.0209231624
3√n 278.03337073312
4√n 68.088331769566
5√n 29.272388129975

Divisors of 21492690

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 -21492689
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 21492690 can be divided by 16 positive divisors. The sum of these divisors (counting 21492690) is 1, the average is 0.0625.

Base conversion 21492690

Base System Value
2 Binary 1010001111111001111010010
3 Ternary 1111102221102120
4 Quaternary 1101333033102
5 Quinary 21000231230
6 Senary 2044355110
8 Octal 121771722
10 Decimal 21492690
12 Duodecimal 7245a96
16 Hexadecimal 147f3d2
20 Vigesimal 6e6bea
36 Base36 csnv6

Cryptographic Hash Functions

md5 aaca412afe94f45727b85a05ea486a2b
sha1 640490ec91d4cd6fae78192d4fd29c3eca6059e9
sha256 76e75d24069cea902546024b583f8f1fd0badca71ca0ece4574256ac0af37a32
sha512 fc83547a29907ae8643a0a0921dac36e250932dfed3442b5e3f57d33bc99270872c03e6d6f5dbc20cf220327c38c9621fe22113f926c6e033bcf767f7e784d17
ripemd-160 8d0e627c67140ae54e794363c13511d6c45a1fdb

21492690 as geometric shapes

Circle

Radius = n
Diameter 42985380
Circumference 135042554.01977
Area 1.4512138751775E+15

Sphere

Radius = n
Volume 4.1587319923853E+22
Surface area 5.8048555007102E+15
Circumference 135042554.01977

Square

Length = n
Perimeter 85970760
Area 461935723436100
Diagonal 30395253.689881

Cube

Length = n
Surface area 2771614340616600
Volume 9.9282413037378E+21
Space diagonal 37226431.071328

Equilateral Triangle

Length = n
Perimeter 64478070
Area 2.000240357056E+14
Altitude 18613215.535664

Triangular Pyramid

Length = n
Surface area 2.000240357056E+14
Volume 1.1700544585216E+21
Height 10131751.22996