21998215 (number)

21998215 is an odd 8-digits composite number following 21998214 and preceding 21998216. In scientific notation, it is written as 2.1998215 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 17541792 positive integers (up to 21998215) that are relatively prime to 21998215.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred ninety-eight thousand two hundred fifteen

Notation

Scientific notation 2.1998215 × 10^7
Engineering notation 2.1998215 × 10^6

Prime Factorization of 21998215

Prime Factorization 5 × 317 × 13879

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21998215
Product of the distinct prime numbers

The prime factorization of 21998215 is 5 × 317 × 13879. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21998215)

Multiplication

n×y
n×2 43996430
n×3 65994645
n×4 87992860
n×5 109991075

Division

n÷y
n÷2 10999107.5
n÷3 7332738.3333333
n÷3 5499553.75
n÷5 4399643

Exponentiation

ny
n2 483921463186225
n3 1.0645408390285E+22
n4 2.341799825323E+29
n5 5.1515416044417E+36

Nth Root

y√n
2√n 4690.2254743242
3√n 280.19635461784
4√n 68.485220845992
5√n 29.408812500158

Divisors of 21998215

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 -21998214
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 21998215 can be divided by 8 positive divisors. The sum of these divisors (counting 21998215) is 1, the average is 0.125.

Base conversion 21998215

Base System Value
2 Binary 1010011111010101010000111
3 Ternary 1112101121212201
4 Quaternary 1103322222013
5 Quinary 21112420330
6 Senary 2103255331
8 Octal 123725207
10 Decimal 21998215
12 Duodecimal 744a547
16 Hexadecimal 14faa87
20 Vigesimal 6h9faf
36 Base36 d3hxj

Cryptographic Hash Functions

md5 521d17549cff11ed3ffe1624308751e5
sha1 19d1766ac326238c543f09bc71799b2f4e460d60
sha256 701eeb336ae6e6d4b7e7cf8ccbd10aa864ec2948e3fdad5a90a4cb4e9b3c8e23
sha512 a00cd0852b4abd60bb0ec21acd202137434536b3e7fe6bab448bab66aad27126e586736bf650935c5a7d35e4ae830882ef01b9db05a6ab21508a0336ef559d1e
ripemd-160 8dadcc534f50d3da56263f9ce7ed5c755c36d605

21998215 as geometric shapes

Circle

Radius = n
Diameter 43996430
Circumference 138218861.27218
Area 1.5202841136603E+15

Sphere

Radius = n
Volume 4.4591382391177E+22
Surface area 6.0811364546411E+15
Circumference 138218861.27218

Square

Length = n
Perimeter 87992860
Area 483921463186225
Diagonal 31110174.000999

Cube

Length = n
Surface area 2903528779117350
Volume 1.0645408390285E+22
Space diagonal 38102026.055824

Equilateral Triangle

Length = n
Perimeter 65994645
Area 2.095441402779E+14
Altitude 19051013.027912

Triangular Pyramid

Length = n
Surface area 2.095441402779E+14
Volume 1.2545734102118E+21
Height 10370058.000333