21909402 (number)

21909402 is an even 8-digits composite number following 21909401 and preceding 21909403. In scientific notation, it is written as 2.1909402 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 48 positive divisors. There are 6985440 positive integers (up to 21909402) that are relatively prime to 21909402.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred nine thousand four hundred two

Notation

Scientific notation 2.1909402 × 10^7
Engineering notation 2.1909402 × 10^6

Prime Factorization of 21909402

Prime Factorization 2 × 3 × 3 × 37 × 67 × 491

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7303134
Product of the distinct prime numbers

The prime factorization of 21909402 is 2 × 3 × 3 × 37 × 67 × 491. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 6, 28, 37, 89, 140, 8267, 2393, 39991, 94677, 311673, 618915, 9363954, 690649, 40981068, 90503871, 422743918, 972595639, 3645957331, 5838259844

Basic calculations (n = 21909402)

Multiplication

n×y
n×2 43818804
n×3 65728206
n×4 87637608
n×5 109547010

Division

n÷y
n÷2 10954701
n÷3 7303134
n÷3 5477350.5
n÷5 4381880.4

Exponentiation

ny
n2 480021895997604
n3 1.0516992688214E+22
n4 2.3042102063713E+29
n5 5.0483867703893E+36

Nth Root

y√n
2√n 4680.7480171443
3√n 279.81876877703
4√n 68.415992407801
5√n 29.385027724189

Divisors of 21909402

1, 2, 3, 6, 9, 18, 37, 67, 74, 111, 134, 201, 222, 333, 402, 491, 603, 666, 982, 1206, 1473, 2479, 2946, 4419, 4958, 7437, 8838, 14874, 18167, 22311, 32897, 36334, 44622, 54501, 65794, 98691, 109002, 163503, 197382, 296073, 327006, 592146, 1217189, 2434378, 3651567, 7303134, 10954701, 21909402

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 -21909401
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 21909402 can be divided by 48 positive divisors. The sum of these divisors (counting 21909402) is 1, the average is 0.020833333333333.

Base conversion 21909402

Base System Value
2 Binary 1010011100100111110011010
3 Ternary 1112020010001100
4 Quaternary 1103210332122
5 Quinary 21102100102
6 Senary 2101332230
8 Octal 123447632
10 Decimal 21909402
12 Duodecimal 7407076
16 Hexadecimal 14e4f9a
20 Vigesimal 6gida2
36 Base36 d1lei

Cryptographic Hash Functions

md5 635068faad643592a764d0f21374aad1
sha1 c123074d7a5a87a8c765f38ec061cb5c06fad517
sha256 893cf6889b4735eccd563ae1dda4a364e692bcb64d85a3853b739867dd8ff05b
sha512 b14c9bc49816b67975ba68189e9550826c26052a94c261e7dd1d059471682af564b43dce264b8807ccb76b84c307dafaae2c39e213af8f982671e8f8c91f0858
ripemd-160 4765aa2a37b279851c38302e90d272944b3c7d0f

21909402 as geometric shapes

Circle

Radius = n
Diameter 43818804
Circumference 137660832.73549
Area 1.5080332620283E+15

Sphere

Radius = n
Volume 4.40534759562E+22
Surface area 6.0321330481133E+15
Circumference 137660832.73549

Square

Length = n
Perimeter 87637608
Area 480021895997604
Diagonal 30984573.451884

Cube

Length = n
Surface area 2880131375985624
Volume 1.0516992688214E+22
Space diagonal 37948197.427451

Equilateral Triangle

Length = n
Perimeter 65728206
Area 2.0785557815335E+14
Altitude 18974098.713726

Triangular Pyramid

Length = n
Surface area 2.0785557815335E+14
Volume 1.2394394745875E+21
Height 10328191.150628