21492957 (number)

21492957 is an odd 8-digits composite number following 21492956 and preceding 21492958. In scientific notation, it is written as 2.1492957 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 14328636 positive integers (up to 21492957) that are relatively prime to 21492957.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1492957 × 10^7
Engineering notation 2.1492957 × 10^6

Prime Factorization of 21492957

Prime Factorization 3 × 7164319

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21492957
Product of the distinct prime numbers

The prime factorization of 21492957 is 3 × 7164319. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492957)

Multiplication

n×y
n×2 42985914
n×3 64478871
n×4 85971828
n×5 107464785

Division

n÷y
n÷2 10746478.5
n÷3 7164319
n÷3 5373239.25
n÷5 4298591.4

Exponentiation

ny
n2 461947200603849
n3 9.9286113188489E+21
n4 2.1339521614573E+29
n5 4.5864942046259E+36

Nth Root

y√n
2√n 4636.0497193192
3√n 278.03452204864
4√n 68.088543230996
5√n 29.272460858785

Divisors of 21492957

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21492956
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21492957 can be divided by 4 positive divisors. The sum of these divisors (counting 21492957) is 1, the average is 0.25.

Base conversion 21492957

Base System Value
2 Binary 1010001111111010011011101
3 Ternary 1111102221210110
4 Quaternary 1101333103131
5 Quinary 21000233312
6 Senary 2044400233
8 Octal 121772335
10 Decimal 21492957
12 Duodecimal 7246079
16 Hexadecimal 147f4dd
20 Vigesimal 6e6c7h
36 Base36 cso2l

Cryptographic Hash Functions

md5 45db7b3dd528490b1e2cd8b9de53574b
sha1 ef328226599d718e93ce30d55452cb0ea6b31f74
sha256 0203b7a8c72626fb372d7015d64922e68115470acbfab47a00296e463afeb578
sha512 094acee151a1215e03dc35998aea0e6fe5eaf35794e507bf45b0158a09989be768899f2c2eda2cf71ba751539e523d771c8100ce3cc7a53a7e2326c338c28957
ripemd-160 3837d3968464b499d6355fe1af59b7c191a9a61e

21492957 as geometric shapes

Circle

Radius = n
Diameter 42985914
Circumference 135044231.63024
Area 1.4512499317634E+15

Sphere

Radius = n
Volume 4.1588869839526E+22
Surface area 5.8049997270537E+15
Circumference 135044231.63024

Square

Length = n
Perimeter 85971828
Area 461947200603849
Diagonal 30395631.284902

Cube

Length = n
Surface area 2771683203623094
Volume 9.9286113188489E+21
Space diagonal 37226893.528893

Equilateral Triangle

Length = n
Perimeter 64478871
Area 2.0002900546502E+14
Altitude 18613446.764447

Triangular Pyramid

Length = n
Surface area 2.0002900546502E+14
Volume 1.1700980652206E+21
Height 10131877.094967