21492955 (number)

21492955 is an odd 8-digits composite number following 21492954 and preceding 21492956. In scientific notation, it is written as 2.1492955 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 15631200 positive integers (up to 21492955) that are relatively prime to 21492955.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1492955 × 10^7
Engineering notation 2.1492955 × 10^6

Prime Factorization of 21492955

Prime Factorization 55 × 390781

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21492955
Product of the distinct prime numbers

The prime factorization of 21492955 is 55 × 390781. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492955)

Multiplication

n×y
n×2 42985910
n×3 64478865
n×4 85971820
n×5 107464775

Division

n÷y
n÷2 10746477.5
n÷3 7164318.3333333
n÷3 5373238.75
n÷5 4298591

Exponentiation

ny
n2 461947114632025
n3 9.928608547166E+21
n4 2.1339513671685E+29
n5 4.5864920706742E+36

Nth Root

y√n
2√n 4636.0495036184
3√n 278.03451342459
4√n 68.088541647023
5√n 29.272460314002

Divisors of 21492955

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 -21492954
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 21492955 can be divided by 4 positive divisors. The sum of these divisors (counting 21492955) is 1, the average is 0.25.

Base conversion 21492955

Base System Value
2 Binary 1010001111111010011011011
3 Ternary 1111102221210101
4 Quaternary 1101333103123
5 Quinary 21000233310
6 Senary 2044400231
8 Octal 121772333
10 Decimal 21492955
12 Duodecimal 7246077
16 Hexadecimal 147f4db
20 Vigesimal 6e6c7f
36 Base36 cso2j

Cryptographic Hash Functions

md5 cff0003d949f7185adfc3070ba9a7206
sha1 1407dcd3bed85162e57d2a35816b5ff0397a086c
sha256 c25a6eca759832af023e902605760bbe878f9c27f5da961f98f2f4c553f434fc
sha512 bd5a45118915ba9c45bc461662f2321d2ae7e8315f15e2f2cf1668441d86e2b23f3bfa2df71af9df01ca62df842b253c17b73925fbb220d8f1a4c99b3f73ac3d
ripemd-160 ab6dac8ad393fd3550acf4c90572f81b71d48efb

21492955 as geometric shapes

Circle

Radius = n
Diameter 42985910
Circumference 135044219.06387
Area 1.451249661675E+15

Sphere

Radius = n
Volume 4.1588858229527E+22
Surface area 5.8049986466999E+15
Circumference 135044219.06387

Square

Length = n
Perimeter 85971820
Area 461947114632025
Diagonal 30395628.456475

Cube

Length = n
Surface area 2771682687792150
Volume 9.928608547166E+21
Space diagonal 37226890.064792

Equilateral Triangle

Length = n
Perimeter 64478865
Area 2.0002896823813E+14
Altitude 18613445.032396

Triangular Pyramid

Length = n
Surface area 2.0002896823813E+14
Volume 1.1700977385746E+21
Height 10131876.152158