21492894 (number)

21492894 is an even 8-digits composite number following 21492893 and preceding 21492895. In scientific notation, it is written as 2.1492894 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 7164296 positive integers (up to 21492894) that are relatively prime to 21492894.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1492894 × 10^7
Engineering notation 2.1492894 × 10^6

Prime Factorization of 21492894

Prime Factorization 2 × 3 × 3582149

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21492894
Product of the distinct prime numbers

The prime factorization of 21492894 is 2 × 3 × 3582149. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492894)

Multiplication

n×y
n×2 42985788
n×3 64478682
n×4 85971576
n×5 107464470

Division

n÷y
n÷2 10746447
n÷3 7164298
n÷3 5373223.5
n÷5 4298578.8

Exponentiation

ny
n2 461944492495236
n3 9.9285240110839E+21
n4 2.1339271414668E+29
n5 4.5864269855269E+36

Nth Root

y√n
2√n 4636.0429247366
3√n 278.03425039078
4√n 68.08849333578
5√n 29.27244369812

Divisors of 21492894

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 -21492893
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 21492894 can be divided by 8 positive divisors. The sum of these divisors (counting 21492894) is 1, the average is 0.125.

Base conversion 21492894

Base System Value
2 Binary 1010001111111010010011110
3 Ternary 1111102221201010
4 Quaternary 1101333102132
5 Quinary 21000233034
6 Senary 2044400050
8 Octal 121772236
10 Decimal 21492894
12 Duodecimal 7246026
16 Hexadecimal 147f49e
20 Vigesimal 6e6c4e
36 Base36 cso0u

Cryptographic Hash Functions

md5 69201c86cd2e78af9f489316cfa32a73
sha1 cffb49bf652a55429f20684954cd7962247bfe4b
sha256 4704e3c85d9d149d7675d6b51e0182a9366ac05ca07233c9169ada308a36448a
sha512 88972b63c64199100e8bf57e77a438a893c16d4dc8505c261725e1fbeabc410c1deb70eb8c6be22f682526b7b2deedf6a513a8fc0c7247c1847048928bbfb7a1
ripemd-160 89416df524d241a6a60882c025aba40223f5c73b

21492894 as geometric shapes

Circle

Radius = n
Diameter 42985788
Circumference 135043835.78957
Area 1.4512414239893E+15

Sphere

Radius = n
Volume 4.1588504125615E+22
Surface area 5.8049656959572E+15
Circumference 135043835.78957

Square

Length = n
Perimeter 85971576
Area 461944492495236
Diagonal 30395542.189447

Cube

Length = n
Surface area 2771666954971416
Volume 9.9285240110839E+21
Space diagonal 37226784.409692

Equilateral Triangle

Length = n
Perimeter 64478682
Area 2.0002783281959E+14
Altitude 18613392.204846

Triangular Pyramid

Length = n
Surface area 2.0002783281959E+14
Volume 1.1700877759018E+21
Height 10131847.396482