21554939 (number)

21554939 is an odd 8-digits composite number following 21554938 and preceding 21554940. In scientific notation, it is written as 2.1554939 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 18475656 positive integers (up to 21554939) that are relatively prime to 21554939.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-four thousand nine hundred thirty-nine

Notation

Scientific notation 2.1554939 × 10^7
Engineering notation 2.1554939 × 10^6

Prime Factorization of 21554939

Prime Factorization 7 × 3079277

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21554939
Product of the distinct prime numbers

The prime factorization of 21554939 is 7 × 3079277. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21554939)

Multiplication

n×y
n×2 43109878
n×3 64664817
n×4 86219756
n×5 107774695

Division

n÷y
n÷2 10777469.5
n÷3 7184979.6666667
n÷3 5388734.75
n÷5 4310987.8

Exponentiation

ny
n2 464615395293721
n3 1.0014756504017E+22
n4 2.1586746554394E+29
n5 4.6530100518842E+36

Nth Root

y√n
2√n 4642.7296927562
3√n 278.30153349233
4√n 68.137579152449
5√n 29.289324767788

Divisors of 21554939

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 -21554938
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 21554939 can be divided by 4 positive divisors. The sum of these divisors (counting 21554939) is 1, the average is 0.25.

Base conversion 21554939

Base System Value
2 Binary 1010010001110011011111011
3 Ternary 1111120002211002
4 Quaternary 1102032123323
5 Quinary 21004224224
6 Senary 2045555215
8 Octal 122163373
10 Decimal 21554939
12 Duodecimal 7275b0b
16 Hexadecimal 148e6fb
20 Vigesimal 6ee76j
36 Base36 ctzwb

Cryptographic Hash Functions

md5 d63cb3c3f85c07b342e337dd3970f205
sha1 1ee18408721d4dcac914788ea15cd78b314d97f6
sha256 8d11b37496bc55fdfaab5ff493bdab54d422deda3c6048512c9323359340b534
sha512 4502da3295f74369c096a42eb16a28f46cf4c21b7ec4aec475b4c0a88a1b2a1c911c219333c2525aabf0fc3c75384d976e8a03ed168e4b6a8e69d94ce2e08151
ripemd-160 6a0b9982118baf60b743568a06fb1adbf5ce6d20

21554939 as geometric shapes

Circle

Radius = n
Diameter 43109878
Circumference 135433676.02195
Area 1.4596323125995E+15

Sphere

Radius = n
Volume 4.1949713947347E+22
Surface area 5.8385292503979E+15
Circumference 135433676.02195

Square

Length = n
Perimeter 86219756
Area 464615395293721
Diagonal 30483287.069925

Cube

Length = n
Surface area 2787692371762326
Volume 1.0014756504017E+22
Space diagonal 37334249.502048

Equilateral Triangle

Length = n
Perimeter 64664817
Area 2.0118436765686E+14
Altitude 18667124.751024

Triangular Pyramid

Length = n
Surface area 2.0118436765686E+14
Volume 1.1802503726538E+21
Height 10161095.689975