21492291 (number)

21492291 is an odd 8-digits composite number following 21492290 and preceding 21492292. In scientific notation, it is written as 2.1492291 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 14315400 positive integers (up to 21492291) that are relatively prime to 21492291.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1492291 × 10^7
Engineering notation 2.1492291 × 10^6

Prime Factorization of 21492291

Prime Factorization 3 × 4951 × 1447

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21492291
Product of the distinct prime numbers

The prime factorization of 21492291 is 3 × 4951 × 1447. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492291)

Multiplication

n×y
n×2 42984582
n×3 64476873
n×4 85969164
n×5 107461455

Division

n÷y
n÷2 10746145.5
n÷3 7164097
n÷3 5373072.75
n÷5 4298458.2

Exponentiation

ny
n2 461918572428681
n3 9.9276883769418E+21
n4 2.1336876755455E+29
n5 4.5857836425938E+36

Nth Root

y√n
2√n 4635.9778903701
3√n 278.03165021014
4√n 68.088015761733
5√n 29.272279444002

Divisors of 21492291

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 -21492290
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 21492291 can be divided by 8 positive divisors. The sum of these divisors (counting 21492291) is 1, the average is 0.125.

Base conversion 21492291

Base System Value
2 Binary 1010001111111001001000011
3 Ternary 1111102220212210
4 Quaternary 1101333021003
5 Quinary 21000223131
6 Senary 2044353203
8 Octal 121771103
10 Decimal 21492291
12 Duodecimal 7245803
16 Hexadecimal 147f243
20 Vigesimal 6e6aeb
36 Base36 csnk3

Cryptographic Hash Functions

md5 14d418f3c6fc10e0e5205b7ccc81977d
sha1 ac763ad8a178cbbada6ad53ff7a86e96acd1edf7
sha256 9d18a4e5e68cb425894e70cd01d36301bc7554124d5c8fcd495f30d93565f6cf
sha512 ba5ca735808b9438824950c39fdbbfa43e9d08e41fbad6108f4fee1a7aa8263d918aaea7ce2cdb1e235979ab57d226f4737acc94fdfcd781159dc30868da99eb
ripemd-160 90346ab3a1a3238a1aab07e5690f5e4dd271b94b

21492291 as geometric shapes

Circle

Radius = n
Diameter 42984582
Circumference 135040047.02883
Area 1.4511599936986E+15

Sphere

Radius = n
Volume 4.1585003829505E+22
Surface area 5.8046399747945E+15
Circumference 135040047.02883

Square

Length = n
Perimeter 85969164
Area 461918572428681
Diagonal 30394689.418669

Cube

Length = n
Surface area 2771511434572086
Volume 9.9276883769418E+21
Space diagonal 37225739.983055

Equilateral Triangle

Length = n
Perimeter 64476873
Area 2.0001660910154E+14
Altitude 18612869.991528

Triangular Pyramid

Length = n
Surface area 2.0001660910154E+14
Volume 1.1699892954737E+21
Height 10131563.139556