21691839 (number)

21691839 is an odd 8-digits composite number following 21691838 and preceding 21691840. In scientific notation, it is written as 2.1691839 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 13298688 positive integers (up to 21691839) that are relatively prime to 21691839.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety-one thousand eight hundred thirty-nine

Notation

Scientific notation 2.1691839 × 10^7
Engineering notation 2.1691839 × 10^6

Prime Factorization of 21691839

Prime Factorization 3 × 13 × 313 × 1777

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21691839
Product of the distinct prime numbers

The prime factorization of 21691839 is 3 × 13 × 313 × 1777. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 1, 25, 8, 216, 81, 8794, 199, 9893, 46779, 602231, 871658, 8518389, 9870073, 51130616, 71136863, 230611749, 807074942, 9872062505, 6583523519

Basic calculations (n = 21691839)

Multiplication

n×y
n×2 43383678
n×3 65075517
n×4 86767356
n×5 108459195

Division

n÷y
n÷2 10845919.5
n÷3 7230613
n÷3 5422959.75
n÷5 4338367.8

Exponentiation

ny
n2 470535879201921
n3 1.0206788535372E+22
n4 2.2140401361632E+29
n5 4.8026602173191E+36

Nth Root

y√n
2√n 4657.4498386993
3√n 278.88947459853
4√n 68.245511491228
5√n 29.32643515444

Divisors of 21691839

1, 3, 13, 39, 313, 939, 1777, 4069, 5331, 12207, 23101, 69303, 556201, 1668603, 7230613, 21691839

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 -21691838
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 21691839 can be divided by 16 positive divisors. The sum of these divisors (counting 21691839) is 1, the average is 0.0625.

Base conversion 21691839

Base System Value
2 Binary 1010010101111110110111111
3 Ternary 1111211001121110
4 Quaternary 1102233312333
5 Quinary 21023114324
6 Senary 2052533103
8 Octal 122576677
10 Decimal 21691839
12 Duodecimal 7321193
16 Hexadecimal 14afdbf
20 Vigesimal 6fb9bj
36 Base36 cwxj3

Cryptographic Hash Functions

md5 89fe748c822f8b6320c2203f41aab6b0
sha1 2651551e676da06dedd0756869495ee6219fccfd
sha256 c0d847d913520c20611406b57bd27fe40574e08729b8cbddcbcccad0333daff5
sha512 117614dcab771d65190c4aeca964be08b5e71625e0b7cc8a36cd1dbc779a8678c7c8bfab4df1a157f1418ce04e52190c6d1f07c6fe4e3c38a9d7e44c905b427b
ripemd-160 209b2f4e5d1a59c8aa838237350c235dfdcc0dc5

21691839 as geometric shapes

Circle

Radius = n
Diameter 43383678
Circumference 136293844.09051
Area 1.4782320613512E+15

Sphere

Radius = n
Volume 4.275409583929E+22
Surface area 5.9129282454047E+15
Circumference 136293844.09051

Square

Length = n
Perimeter 86767356
Area 470535879201921
Diagonal 30676892.906614

Cube

Length = n
Surface area 2823215275211526
Volume 1.0206788535372E+22
Space diagonal 37571367.257604

Equilateral Triangle

Length = n
Perimeter 65075517
Area 2.0374801239045E+14
Altitude 18785683.628802

Triangular Pyramid

Length = n
Surface area 2.0374801239045E+14
Volume 1.2028815645831E+21
Height 10225630.968871