21492091 (number)

21492091 is an odd 8-digits composite number following 21492090 and preceding 21492092. In scientific notation, it is written as 2.1492091 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 21479800 positive integers (up to 21492091) that are relatively prime to 21492091.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1492091 × 10^7
Engineering notation 2.1492091 × 10^6

Prime Factorization of 21492091

Prime Factorization 2111 × 10181

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21492091
Product of the distinct prime numbers

The prime factorization of 21492091 is 2111 × 10181. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492091)

Multiplication

n×y
n×2 42984182
n×3 64476273
n×4 85968364
n×5 107460455

Division

n÷y
n÷2 10746045.5
n÷3 7164030.3333333
n÷3 5373022.75
n÷5 4298418.2

Exponentiation

ny
n2 461909975552281
n3 9.9274112283774E+21
n4 2.1336082551471E+29
n5 4.5855702777972E+36

Nth Root

y√n
2√n 4635.9563198978
3√n 278.03078778459
4√n 68.087857360162
5√n 29.272224964211

Divisors of 21492091

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 -21492090
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 21492091 can be divided by 4 positive divisors. The sum of these divisors (counting 21492091) is 1, the average is 0.25.

Base conversion 21492091

Base System Value
2 Binary 1010001111111000101111011
3 Ternary 1111102220121101
4 Quaternary 1101333011323
5 Quinary 21000221331
6 Senary 2044352231
8 Octal 121770573
10 Decimal 21492091
12 Duodecimal 7245677
16 Hexadecimal 147f17b
20 Vigesimal 6e6a4b
36 Base36 csnej

Cryptographic Hash Functions

md5 794988a69fba0ba041eac6fce37b9d7c
sha1 2e9a911dc43d3c606e5bef68210d7c2053210117
sha256 0d70afa902861a44df79742154d0f49aee3664b4e3a9ed7b74a691d2d43156fb
sha512 ff0931ae1285ff9a03e7651bd97ff30c238b4659694d9b19293f780e91ef068f3bb4a9d8c5adb54651b271536e888a74c193fa274efe5cb71edb315e87fcecf7
ripemd-160 36ccb3861b85f01495518bb6bdfd260265332a2a

21492091 as geometric shapes

Circle

Radius = n
Diameter 42984182
Circumference 135038790.39177
Area 1.4511329858149E+15

Sphere

Radius = n
Volume 4.1583842912314E+22
Surface area 5.8045319432595E+15
Circumference 135038790.39177

Square

Length = n
Perimeter 85968364
Area 461909975552281
Diagonal 30394406.575957

Cube

Length = n
Surface area 2771459853313686
Volume 9.9274112283774E+21
Space diagonal 37225393.572894

Equilateral Triangle

Length = n
Perimeter 64476273
Area 2.0001288654486E+14
Altitude 18612696.786447

Triangular Pyramid

Length = n
Surface area 2.0001288654486E+14
Volume 1.1699566332022E+21
Height 10131468.858652