21491027 (number)

21491027 is an odd 8-digits prime number following 21491026 and preceding 21491028. In scientific notation, it is written as 2.1491027 × 10^7. The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors. There are 21491026 positive integers (up to 21491027) that are relatively prime to 21491027.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1491027 × 10^7
Engineering notation 2.1491027 × 10^6

Prime Factorization of 21491027

Prime Factorization 21491027

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21491027
Product of the distinct prime numbers

The prime factorization of 21491027 is 21491027. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491027)

Multiplication

n×y
n×2 42982054
n×3 64473081
n×4 85964108
n×5 107455135

Division

n÷y
n÷2 10745513.5
n÷3 7163675.6666667
n÷3 5372756.75
n÷5 4298205.4

Exponentiation

ny
n2 461864241514729
n3 9.9259368847276E+21
n4 2.1331857758998E+29
n5 4.5844353105878E+36

Nth Root

y√n
2√n 4635.8415632979
3√n 278.02619959073
4√n 68.087014645216
5√n 29.271935124901

Divisors of 21491027

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21491028
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10745514
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4635.8416711531
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999069379
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491027 can be divided by 2 positive divisors. The sum of these divisors (counting 21491027) is 21491028, the average is 10745514.

Base conversion 21491027

Base System Value
2 Binary 1010001111110110101010011
3 Ternary 1111102212010222
4 Quaternary 1101332311103
5 Quinary 21000203102
6 Senary 2044343255
8 Octal 121766523
10 Decimal 21491027
12 Duodecimal 7244b2b
16 Hexadecimal 147ed53
20 Vigesimal 6e67b7
36 Base36 csmkz

Cryptographic Hash Functions

md5 6d97c6a7f6adf9f7352d4edbea6e834a
sha1 83225258c47e06943e4e0f0792d0e56af6eb77a4
sha256 5c6c83a6106695a51c6723594441d4382da2a31c878214569eac92401115e8ae
sha512 ecfcd214a3e4729738e19477a071673dc9869ca98cf868a74bab0e8bb250b8a351c7a6842888b1e757c45e633e94914a73cad8a81c5e44bd41ce3fc7a4f05a7e
ripemd-160 97507cfe43e2aaa4a700cd85b29d92bb59302d20

21491027 as geometric shapes

Circle

Radius = n
Diameter 42982054
Circumference 135032105.0826
Area 1.4509893080985E+15

Sphere

Radius = n
Volume 4.1577667196075E+22
Surface area 5.803957232394E+15
Circumference 135032105.0826

Square

Length = n
Perimeter 85964108
Area 461864241514729
Diagonal 30392901.852726

Cube

Length = n
Surface area 2771185449088374
Volume 9.9259368847276E+21
Space diagonal 37223550.670835

Equilateral Triangle

Length = n
Perimeter 64473081
Area 1.9999308312569E+14
Altitude 18611775.335417

Triangular Pyramid

Length = n
Surface area 1.9999308312569E+14
Volume 1.1697828801368E+21
Height 10130967.284242