21998957 (number)

21998957 is an odd 8-digits composite number following 21998956 and preceding 21998958. In scientific notation, it is written as 2.1998957 × 10^7. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 21986496 positive integers (up to 21998957) that are relatively prime to 21998957.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred ninety-eight thousand nine hundred fifty-seven

Notation

Scientific notation 2.1998957 × 10^7
Engineering notation 2.1998957 × 10^6

Prime Factorization of 21998957

Prime Factorization 2129 × 10333

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21998957
Product of the distinct prime numbers

The prime factorization of 21998957 is 2129 × 10333. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21998957)

Multiplication

n×y
n×2 43997914
n×3 65996871
n×4 87995828
n×5 109994785

Division

n÷y
n÷2 10999478.5
n÷3 7332985.6666667
n÷3 5499739.25
n÷5 4399791.4

Exponentiation

ny
n2 483954109087849
n3 1.0646485635797E+22
n4 2.3421157970301E+29
n5 5.1524104707887E+36

Nth Root

y√n
2√n 4690.304574332
3√n 280.19950492431
4√n 68.485798340474
5√n 29.409010889386

Divisors of 21998957

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21998956
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21998957 can be divided by 4 positive divisors. The sum of these divisors (counting 21998957) is 1, the average is 0.25.

Base conversion 21998957

Base System Value
2 Binary 1010011111010110101101101
3 Ternary 1112101122220012
4 Quaternary 1103322311231
5 Quinary 21112431312
6 Senary 2103303005
8 Octal 123726555
10 Decimal 21998957
12 Duodecimal 744aa65
16 Hexadecimal 14fad6d
20 Vigesimal 6h9h7h
36 Base36 d3ii5

Cryptographic Hash Functions

md5 fe5a88977703cdc11a6a3abf56748c6d
sha1 8906b4a73edd174064cbf086beb8512fc04c3623
sha256 d6e24475c3191588dc721b880c76975fb3e663a93f666448bf9d12813f015607
sha512 4a81016f9edfd0b08602469eba9702232f04775b33991c8d106075be325a077606efb4be354a772c0899276b1317c9ce631bcd623f2c290bc1d67fb4dfcfc425
ripemd-160 762d48b9ac860d18d843589c7454301a18fc6dcc

21998957 as geometric shapes

Circle

Radius = n
Diameter 43997914
Circumference 138223523.39568
Area 1.520386673785E+15

Sphere

Radius = n
Volume 4.4595894746625E+22
Surface area 6.0815466951399E+15
Circumference 138223523.39568

Square

Length = n
Perimeter 87995828
Area 483954109087849
Diagonal 31111223.347463

Cube

Length = n
Surface area 2903724654527094
Volume 1.0646485635797E+22
Space diagonal 38103311.237523

Equilateral Triangle

Length = n
Perimeter 65996871
Area 2.0955827636797E+14
Altitude 19051655.618762

Triangular Pyramid

Length = n
Surface area 2.0955827636797E+14
Volume 1.2547003648129E+21
Height 10370407.782488