21103491 (number)

21103491 is an odd 8-digits composite number following 21103490 and preceding 21103492. In scientific notation, it is written as 2.1103491 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 14068992 positive integers (up to 21103491) that are relatively prime to 21103491.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1103491 × 10^7
Engineering notation 2.1103491 × 10^6

Prime Factorization of 21103491

Prime Factorization 3 × 7034497

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21103491
Product of the distinct prime numbers

The prime factorization of 21103491 is 3 × 7034497. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21103491)

Multiplication

n×y
n×2 42206982
n×3 63310473
n×4 84413964
n×5 105517455

Division

n÷y
n÷2 10551745.5
n÷3 7034497
n÷3 5275872.75
n÷5 4220698.2

Exponentiation

ny
n2 445357332387081
n3 9.3985944558148E+21
n4 1.9834315351094E+29
n5 4.1857329550297E+36

Nth Root

y√n
2√n 4593.8536110764
3√n 276.34488758703
4√n 67.777972904746
5√n 29.165596336843

Divisors of 21103491

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 -21103490
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 21103491 can be divided by 4 positive divisors. The sum of these divisors (counting 21103491) is 1, the average is 0.25.

Base conversion 21103491

Base System Value
2 Binary 1010000100000001110000011
3 Ternary 1110201011112210
4 Quaternary 1100200032003
5 Quinary 20400302431
6 Senary 2032153203
8 Octal 120401603
10 Decimal 21103491
12 Duodecimal 7098803
16 Hexadecimal 1420383
20 Vigesimal 6bhieb
36 Base36 ckbk3

Cryptographic Hash Functions

md5 523486b8c6f717b4399d8d512db9ac36
sha1 75013b4bb459b8ee57ca4648a35c0e20fd635468
sha256 657086846d4ee2d11cdb56003366c98d11e069d7cb608fa912401e7fe8dcdc77
sha512 45c269ccbfa496a4037809499472f3c75ba9f26b91ec749ad98f2ff12753d4a9f197da776942b7d84f23ba294d4988ab5b3757f630cfac07c003a5c35cee664b
ripemd-160 8dea3b198d200c2f546e62913a5a5b11953cf865

21103491 as geometric shapes

Circle

Radius = n
Diameter 42206982
Circumference 132597144.5814
Area 1.3991313236496E+15

Sphere

Radius = n
Volume 3.9368740395277E+22
Surface area 5.5965252945984E+15
Circumference 132597144.5814

Square

Length = n
Perimeter 84413964
Area 445357332387081
Diagonal 29844843.185619

Cube

Length = n
Surface area 2672143994322486
Volume 9.3985944558148E+21
Space diagonal 36552318.629073

Equilateral Triangle

Length = n
Perimeter 63310473
Area 1.9284538180444E+14
Altitude 18276159.314536

Triangular Pyramid

Length = n
Surface area 1.9284538180444E+14
Volume 1.1076349788882E+21
Height 9948281.0618729