21031849 (number)

21031849 is an odd 8-digits composite number following 21031848 and preceding 21031850. In scientific notation, it is written as 2.1031849 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 21021520 positive integers (up to 21031849) that are relatively prime to 21031849.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand eight hundred forty-nine

Notation

Scientific notation 2.1031849 × 10^7
Engineering notation 2.1031849 × 10^6

Prime Factorization of 21031849

Prime Factorization 2789 × 7541

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21031849
Product of the distinct prime numbers

The prime factorization of 21031849 is 2789 × 7541. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031849)

Multiplication

n×y
n×2 42063698
n×3 63095547
n×4 84127396
n×5 105159245

Division

n÷y
n÷2 10515924.5
n÷3 7010616.3333333
n÷3 5257962.25
n÷5 4206369.8

Exponentiation

ny
n2 442338672358801
n3 9.3032001639108E+21
n4 1.9566350106415E+29
n5 4.1151652091925E+36

Nth Root

y√n
2√n 4586.0493891802
3√n 276.03182175276
4√n 67.720376469569
5√n 29.145767155125

Divisors of 21031849

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 -21031848
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 21031849 can be divided by 4 positive divisors. The sum of these divisors (counting 21031849) is 1, the average is 0.25.

Base conversion 21031849

Base System Value
2 Binary 1010000001110101110101001
3 Ternary 1110120112021101
4 Quaternary 1100032232221
5 Quinary 20341004344
6 Senary 2030441401
8 Octal 120165651
10 Decimal 21031849
12 Duodecimal 7063261
16 Hexadecimal 140eba9
20 Vigesimal 6b8jc9
36 Base36 cisa1

Cryptographic Hash Functions

md5 357b50e2d5bf40753fa80cd33f0aced3
sha1 bfc4be3096ab8c4e989deb9dbce84276e393f502
sha256 89cc568bb7864f97a9c1bf5e59f480a76d0d4b6ea40bb70f195f3aa6c58df7eb
sha512 0494ffd85a9bf2af880fde02a3cc68e09ce16ced7bc1bd79fff746782b426f85260ded14a8c2eceb4e185f8557d2b7f2928618695de59e0ba8b1b15639db9a7e
ripemd-160 465b9776953d6e0147d0bada32d0788a2bdaeb01

21031849 as geometric shapes

Circle

Radius = n
Diameter 42063698
Circumference 132147004.61962
Area 1.3896479234811E+15

Sphere

Radius = n
Volume 3.8969153719757E+22
Surface area 5.5585916939243E+15
Circumference 132147004.61962

Square

Length = n
Perimeter 84127396
Area 442338672358801
Diagonal 29743526.097583

Cube

Length = n
Surface area 2654032034152806
Volume 9.3032001639108E+21
Space diagonal 36428231.045117

Equilateral Triangle

Length = n
Perimeter 63095547
Area 1.915382636695E+14
Altitude 18214115.522558

Triangular Pyramid

Length = n
Surface area 1.915382636695E+14
Volume 1.0963926537729E+21
Height 9914508.6991943