21409918 (number)

21409918 is an even 8-digits composite number following 21409917 and preceding 21409919. In scientific notation, it is written as 2.1409918 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 10239504 positive integers (up to 21409918) that are relatively prime to 21409918.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1409918 × 10^7
Engineering notation 2.1409918 × 10^6

Prime Factorization of 21409918

Prime Factorization 2 × 23 × 465433

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21409918
Product of the distinct prime numbers

The prime factorization of 21409918 is 2 × 23 × 465433. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21409918)

Multiplication

n×y
n×2 42819836
n×3 64229754
n×4 85639672
n×5 107049590

Division

n÷y
n÷2 10704959
n÷3 7136639.3333333
n÷3 5352479.5
n÷5 4281983.6

Exponentiation

ny
n2 458384588766724
n3 9.8139764579593E+21
n4 2.1011643121884E+29
n5 4.498575562848E+36

Nth Root

y√n
2√n 4627.0852596424
3√n 277.67599365371
4√n 68.022681949791
5√n 29.24980672941

Divisors of 21409918

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 -21409917
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 21409918 can be divided by 8 positive divisors. The sum of these divisors (counting 21409918) is 1, the average is 0.125.

Base conversion 21409918

Base System Value
2 Binary 1010001101011000001111110
3 Ternary 1111021201212221
4 Quaternary 1101223001332
5 Quinary 20440104133
6 Senary 2042515554
8 Octal 121530176
10 Decimal 21409918
12 Duodecimal 7205bba
16 Hexadecimal 146b07e
20 Vigesimal 6dg4fi
36 Base36 cqvzy

Cryptographic Hash Functions

md5 3e8a2da32cca6cd98b9eed2cdf435483
sha1 2a51507bbd5250f37e45af62801c71610be452e1
sha256 bc0ff6f2ff5feeaca43f7b23bd6dfb6966dea5300ef1b8ccc71d005bda26b0e7
sha512 b035b0b0a0fec96b21ec41ad1c0151ddfb47bedabc01c0efa8f65e89fdd5b8506c4b1b09b7ab52f04e2ba7c45c1525645f79e1a83b86fc48e77ea301040c6a8e
ripemd-160 d92f1d373dc3f074b26072c5e8d2bb5349fb7bea

21409918 as geometric shapes

Circle

Radius = n
Diameter 42819836
Circumference 134522482.20552
Area 1.4400576565883E+15

Sphere

Radius = n
Volume 4.1108688457104E+22
Surface area 5.7602306263533E+15
Circumference 134522482.20552

Square

Length = n
Perimeter 85639672
Area 458384588766724
Diagonal 30278196.404896

Cube

Length = n
Surface area 2750307532600344
Volume 9.8139764579593E+21
Space diagonal 37083065.761883

Equilateral Triangle

Length = n
Perimeter 64229754
Area 1.9848634928763E+14
Altitude 18541532.880942

Triangular Pyramid

Length = n
Surface area 1.9848634928763E+14
Volume 1.1565882173047E+21
Height 10092732.134965