21998144 (number)

21998144 is an even 8-digits composite number following 21998143 and preceding 21998145. In scientific notation, it is written as 2.1998144 × 10^7. The sum of its digits is 38. It has a total of 8 prime factors and 28 positive divisors. There are 9427584 positive integers (up to 21998144) that are relatively prime to 21998144.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred ninety-eight thousand one hundred forty-four

Notation

Scientific notation 2.1998144 × 10^7
Engineering notation 2.1998144 × 10^6

Prime Factorization of 21998144

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 7 × 49103

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 687442
Product of the distinct prime numbers

The prime factorization of 21998144 is 2 × 2 × 2 × 2 × 2 × 2 × 7 × 49103. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21998144)

Multiplication

n×y
n×2 43996288
n×3 65994432
n×4 87992576
n×5 109990720

Division

n÷y
n÷2 10999072
n÷3 7332714.6666667
n÷3 5499536
n÷5 4399628.8

Exponentiation

ny
n2 483918339444736
n3 1.0645305315346E+22
n4 2.3417695925095E+29
n5 5.1514584710845E+36

Nth Root

y√n
2√n 4690.2179053856
3√n 280.1960531697
4√n 68.48516558632
5√n 29.408793516542

Divisors of 21998144

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21998143
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21998144 can be divided by 28 positive divisors. The sum of these divisors (counting 21998144) is 1, the average is 0.035714285714286.

Base conversion 21998144

Base System Value
2 Binary 1010011111010101001000000
3 Ternary 1112101121210002
4 Quaternary 1103322221000
5 Quinary 21112420034
6 Senary 2103255132
8 Octal 123725100
10 Decimal 21998144
12 Duodecimal 744a4a8
16 Hexadecimal 14faa40
20 Vigesimal 6h9f74
36 Base36 d3hvk

Cryptographic Hash Functions

md5 9f16c75f89c8bae5647f5a375fd14fa0
sha1 aaa496166ebe2a1d0fbecc97c9b6f68e4171f915
sha256 81a7d55623c17367c46400dc433fe5fba5c6bdb8bfb193918e73a9f5df57abe3
sha512 aa9db27d45cb9c79bfa4f069dc45f3cdc63b610f7353a16cd9ce0b3a3f671082e3aef8825b337a79320d56d4ae7a62b30a96edee5b7570c9208ad4f5ef2420ab
ripemd-160 a1de20ecc64e224bfc4a7c7068d0c5572ec2885d

21998144 as geometric shapes

Circle

Radius = n
Diameter 43996288
Circumference 138218415.16602
Area 1.520274300137E+15

Sphere

Radius = n
Volume 4.4590950631883E+22
Surface area 6.0810972005478E+15
Circumference 138218415.16602

Square

Length = n
Perimeter 87992576
Area 483918339444736
Diagonal 31110073.591836

Cube

Length = n
Surface area 2903510036668416
Volume 1.0645305315346E+22
Space diagonal 38101903.080216

Equilateral Triangle

Length = n
Perimeter 65994432
Area 2.0954278765816E+14
Altitude 19050951.540108

Triangular Pyramid

Length = n
Surface area 2.0954278765816E+14
Volume 1.2545612627137E+21
Height 10370024.530612