21031919 (number)

21031919 is an odd 8-digits composite number following 21031918 and preceding 21031920. In scientific notation, it is written as 2.1031919 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 20194200 positive integers (up to 21031919) that are relatively prime to 21031919.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand nine hundred nineteen

Notation

Scientific notation 2.1031919 × 10^7
Engineering notation 2.1031919 × 10^6

Prime Factorization of 21031919

Prime Factorization 31 × 131 × 5179

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21031919
Product of the distinct prime numbers

The prime factorization of 21031919 is 31 × 131 × 5179. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031919)

Multiplication

n×y
n×2 42063838
n×3 63095757
n×4 84127676
n×5 105159595

Division

n÷y
n÷2 10515959.5
n÷3 7010639.6666667
n÷3 5257979.75
n÷5 4206383.8

Exponentiation

ny
n2 442341616822561
n3 9.3032930553411E+21
n4 1.956661059732E+29
n5 4.1152336918737E+36

Nth Root

y√n
2√n 4586.0570210149
3√n 276.03212799
4√n 67.720432817687
5√n 29.145786556187

Divisors of 21031919

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031918
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031919 can be divided by 8 positive divisors. The sum of these divisors (counting 21031919) is 1, the average is 0.125.

Base conversion 21031919

Base System Value
2 Binary 1010000001110101111101111
3 Ternary 1110120112100222
4 Quaternary 1100032233233
5 Quinary 20341010134
6 Senary 2030441555
8 Octal 120165757
10 Decimal 21031919
12 Duodecimal 70632bb
16 Hexadecimal 140ebef
20 Vigesimal 6b8jfj
36 Base36 cisbz

Cryptographic Hash Functions

md5 3758bc778e9882f413f3beb0c287f4bb
sha1 5ba26062981e3c317dafbee40cc04df791f4cb48
sha256 b0eb681763f9abc56be29c1edd9772fe4b7664fc0935e68af6a1b45d43900b90
sha512 750c74cbe6fccafd4586756c0190d3a408f4369a1eecad239d73dadf70b297d358a79ce4ede5a1fb03a991ccf98f38ada0bcc177f1ae08ba0adeca1e9c530c7c
ripemd-160 2861bb7be81158bda95325789aaf5af180a190e3

21031919 as geometric shapes

Circle

Radius = n
Diameter 42063838
Circumference 132147444.44259
Area 1.3896571737868E+15

Sphere

Radius = n
Volume 3.896954282247E+22
Surface area 5.5586286951472E+15
Circumference 132147444.44259

Square

Length = n
Perimeter 84127676
Area 442341616822561
Diagonal 29743625.092532

Cube

Length = n
Surface area 2654049700935366
Volume 9.3032930553411E+21
Space diagonal 36428352.288673

Equilateral Triangle

Length = n
Perimeter 63095757
Area 1.9153953865971E+14
Altitude 18214176.144337

Triangular Pyramid

Length = n
Surface area 1.9153953865971E+14
Volume 1.0964036011329E+21
Height 9914541.6975108