21491094 (number)

21491094 is an even 8-digits composite number following 21491093 and preceding 21491095. In scientific notation, it is written as 2.1491094 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 6676992 positive integers (up to 21491094) that are relatively prime to 21491094.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1491094 × 10^7
Engineering notation 2.1491094 × 10^6

Prime Factorization of 21491094

Prime Factorization 2 × 3 × 1853 × 1933

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21491094
Product of the distinct prime numbers

The prime factorization of 21491094 is 2 × 3 × 1853 × 1933. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491094)

Multiplication

n×y
n×2 42982188
n×3 64473282
n×4 85964376
n×5 107455470

Division

n÷y
n÷2 10745547
n÷3 7163698
n÷3 5372773.5
n÷5 4298218.8

Exponentiation

ny
n2 461867121316836
n3 9.9260297197295E+21
n4 2.133212377535E+29
n5 4.5845067727568E+36

Nth Root

y√n
2√n 4635.8487895961
3√n 278.02648851342
4√n 68.087067711836
5√n 29.271953376399

Divisors of 21491094

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21491093
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491094 can be divided by 16 positive divisors. The sum of these divisors (counting 21491094) is 1, the average is 0.0625.

Base conversion 21491094

Base System Value
2 Binary 1010001111110110110010110
3 Ternary 1111102212020110
4 Quaternary 1101332312112
5 Quinary 21000203334
6 Senary 2044343450
8 Octal 121766626
10 Decimal 21491094
12 Duodecimal 7244b86
16 Hexadecimal 147ed96
20 Vigesimal 6e67ee
36 Base36 csmmu

Cryptographic Hash Functions

md5 c4fde2e306bab3473dbc9140ffc4f1de
sha1 8077544f955c7cd437c653927b7193cd03ee48f5
sha256 5752bc7535a6c6de11303910422c175024a4a433ac57ecee0cd9d5e3efb91728
sha512 49231afe4a391091b918c214d962fa1c8f7f373b6659074c4df99ab9aa70ea6f70a4d0abfdfcf7f6661bf9c09540e3bd631b954c3ad66a7dacfbb61b4d8c4ca1
ripemd-160 2e0925d893c98a2e16545ecd67067797c903ca11

21491094 as geometric shapes

Circle

Radius = n
Diameter 42982188
Circumference 135032526.05602
Area 1.4509983552636E+15

Sphere

Radius = n
Volume 4.1578056062422E+22
Surface area 5.8039934210546E+15
Circumference 135032526.05602

Square

Length = n
Perimeter 85964376
Area 461867121316836
Diagonal 30392996.605035

Cube

Length = n
Surface area 2771202727901016
Volume 9.9260297197295E+21
Space diagonal 37223666.718239

Equilateral Triangle

Length = n
Perimeter 64473282
Area 1.9999433011658E+14
Altitude 18611833.359119

Triangular Pyramid

Length = n
Surface area 1.9999433011658E+14
Volume 1.1697938208467E+21
Height 10130998.868345