21408045 (number)

21408045 is an odd 8-digits composite number following 21408044 and preceding 21408046. In scientific notation, it is written as 2.1408045 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 11376320 positive integers (up to 21408045) that are relatively prime to 21408045.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred eight thousand forty-five

Notation

Scientific notation 2.1408045 × 10^7
Engineering notation 2.1408045 × 10^6

Prime Factorization of 21408045

Prime Factorization 15 × 293 × 4871

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21408045
Product of the distinct prime numbers

The prime factorization of 21408045 is 15 × 293 × 4871. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21408045)

Multiplication

n×y
n×2 42816090
n×3 64224135
n×4 85632180
n×5 107040225

Division

n÷y
n÷2 10704022.5
n÷3 7136015
n÷3 5352011.25
n÷5 4281609

Exponentiation

ny
n2 458304390722025
n3 9.8114010202747E+21
n4 2.1004291455509E+29
n5 4.4966081667264E+36

Nth Root

y√n
2√n 4626.8828599825
3√n 277.6678961246
4√n 68.021194196975
5√n 29.249294940386

Divisors of 21408045

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 -21408044
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 21408045 can be divided by 8 positive divisors. The sum of these divisors (counting 21408045) is 1, the average is 0.125.

Base conversion 21408045

Base System Value
2 Binary 1010001101010100100101101
3 Ternary 1111021122022120
4 Quaternary 1101222210231
5 Quinary 20440024140
6 Senary 2042503153
8 Octal 121524455
10 Decimal 21408045
12 Duodecimal 7204ab9
16 Hexadecimal 146a92d
20 Vigesimal 6dg025
36 Base36 cqujx

Cryptographic Hash Functions

md5 375429818c4b9d774317da373018f446
sha1 bc70b0782f880ef3671f249d552c0d6d17fb37cd
sha256 d3912e87bf93439228a7de75ac0ceb587119c9e6bfd784ebcb0784e076db9037
sha512 555a77d38ac6f53ebcfc9ca1bde5997f42d56cbd7726445890f96e6c2851a3808037d56df4f7fc12d41384340905ab6149ed110d01dd3aa5e27491d2785d3705
ripemd-160 6ee116a1d704798bf8edf16b90010f659c31ca81

21408045 as geometric shapes

Circle

Radius = n
Diameter 42816090
Circumference 134510713.79944
Area 1.4398057070003E+15

Sphere

Radius = n
Volume 4.1097900488958E+22
Surface area 5.759222828001E+15
Circumference 134510713.79944

Square

Length = n
Perimeter 85632180
Area 458304390722025
Diagonal 30275547.582894

Cube

Length = n
Surface area 2749826344332150
Volume 9.8114010202747E+21
Space diagonal 37079821.630721

Equilateral Triangle

Length = n
Perimeter 64224135
Area 1.9845162251561E+14
Altitude 18539910.81536

Triangular Pyramid

Length = n
Surface area 1.9845162251561E+14
Volume 1.1562846990628E+21
Height 10091849.194298