21091380 (number)

21091380 is an even 8-digits composite number following 21091379 and preceding 21091381. In scientific notation, it is written as 2.1091380 × 10^7. The sum of its digits is 24. It has a total of 6 prime factors and 48 positive divisors. There are 5586048 positive integers (up to 21091380) that are relatively prime to 21091380.

Interesting facts

Basic properties

Name

Name twenty-one million ninety-one thousand three hundred eighty

Notation

Scientific notation 2.1091380 × 10^7
Engineering notation 2.1091380 × 10^6

Prime Factorization of 21091380

Prime Factorization 2 × 2 × 3 × 5 × 157 × 2239

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10545690
Product of the distinct prime numbers

The prime factorization of 21091380 is 2 × 2 × 3 × 5 × 157 × 2239. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21091380)

Multiplication

n×y
n×2 42182760
n×3 63274140
n×4 84365520
n×5 105456900

Division

n÷y
n÷2 10545690
n÷3 7030460
n÷3 5272845
n÷5 4218276

Exponentiation

ny
n2 444846310304400
n3 9.382422572228E+21
n4 1.9788823979144E+29
n5 4.1737360629724E+36

Nth Root

y√n
2√n 4592.5352475512
3√n 276.29201397531
4√n 67.768246602308
5√n 29.162248022107

Divisors of 21091380

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21091379
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21091380 can be divided by 48 positive divisors. The sum of these divisors (counting 21091380) is 1, the average is 0.020833333333333.

Base conversion 21091380

Base System Value
2 Binary 1010000011101010000110100
3 Ternary 1110200112221020
4 Quaternary 1100131100310
5 Quinary 20344411010
6 Senary 2032021140
8 Octal 120352064
10 Decimal 21091380
12 Duodecimal 70917b0
16 Hexadecimal 141d434
20 Vigesimal 6bg890
36 Base36 ck27o

Cryptographic Hash Functions

md5 e2f9f8fe94dc049b39b35593a299cb87
sha1 c0dc77ad415535f2ab05671d5d6828df737138f5
sha256 3e9ca811a7ec2743af2ef7b492c24cbe5f37793622bfe7a1033fed37197cf88f
sha512 83b79385e69a4b84e3dae25d0f8b91e4a0ddac20d684eaf7c59c168515376fb6d015437acaad22f008a49fa211ecfa1bd5dab977091579779ae6d14f33afdcbb
ripemd-160 4fb4c66b289d0f23a33637b27a523bb3157b8422

21091380 as geometric shapes

Circle

Radius = n
Diameter 42182760
Circumference 132521048.92414
Area 1.3975259004288E+15

Sphere

Radius = n
Volume 3.9300999767715E+22
Surface area 5.5901036017153E+15
Circumference 132521048.92414

Square

Length = n
Perimeter 84365520
Area 444846310304400
Diagonal 29827715.645165

Cube

Length = n
Surface area 2669077861826400
Volume 9.382422572228E+21
Space diagonal 36531341.761742

Equilateral Triangle

Length = n
Perimeter 63274140
Area 1.9262410275169E+14
Altitude 18265670.880871

Triangular Pyramid

Length = n
Surface area 1.9262410275169E+14
Volume 1.10572910413E+21
Height 9942571.8817216