21554949 (number)

21554949 is an odd 8-digits composite number following 21554948 and preceding 21554950. In scientific notation, it is written as 2.1554949 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 12558240 positive integers (up to 21554949) that are relatively prime to 21554949.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1554949 × 10^7
Engineering notation 2.1554949 × 10^6

Prime Factorization of 21554949

Prime Factorization 39 × 361 × 1531

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21554949
Product of the distinct prime numbers

The prime factorization of 21554949 is 39 × 361 × 1531. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21554949)

Multiplication

n×y
n×2 43109898
n×3 64664847
n×4 86219796
n×5 107774745

Division

n÷y
n÷2 10777474.5
n÷3 7184983
n÷3 5388737.25
n÷5 4310989.8

Exponentiation

ny
n2 464615826392601
n3 1.0014770442485E+22
n4 2.1586786613448E+29
n5 4.6530208452675E+36

Nth Root

y√n
2√n 4642.7307697087
3√n 278.30157652987
4√n 68.137587055227
5√n 29.289327485432

Divisors of 21554949

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 -21554948
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 21554949 can be divided by 8 positive divisors. The sum of these divisors (counting 21554949) is 1, the average is 0.125.

Base conversion 21554949

Base System Value
2 Binary 1010010001110011100000101
3 Ternary 1111120002211110
4 Quaternary 1102032130011
5 Quinary 21004224244
6 Senary 2045555233
8 Octal 122163405
10 Decimal 21554949
12 Duodecimal 7275b19
16 Hexadecimal 148e705
20 Vigesimal 6ee779
36 Base36 ctzwl

Cryptographic Hash Functions

md5 855a355bea7ccb76964ad97ac8366712
sha1 501a833c389e35971f49f7de12cfb9aae3fcdd40
sha256 184c73de5b9d3bbebf4c7fe7c50b60a880032c87d48c0067544716f5a03e1b1a
sha512 97672702bfe654f1e7ab050c603bb2e469a636136c7b1746398c5e891e876e1908e47661c029b31016d6286f007408da4fb38a6995c8ea28525ed49b19c34da2
ripemd-160 20dedade6311281c220d533ae4c3f985629e67a3

21554949 as geometric shapes

Circle

Radius = n
Diameter 43109898
Circumference 135433738.85381
Area 1.4596336669365E+15

Sphere

Radius = n
Volume 4.1949772332667E+22
Surface area 5.8385346677462E+15
Circumference 135433738.85381

Square

Length = n
Perimeter 86219796
Area 464615826392601
Diagonal 30483301.21206

Cube

Length = n
Surface area 2787694958355606
Volume 1.0014770442485E+22
Space diagonal 37334266.822556

Equilateral Triangle

Length = n
Perimeter 64664847
Area 2.0118455432815E+14
Altitude 18667133.411278

Triangular Pyramid

Length = n
Surface area 2.0118455432815E+14
Volume 1.180252015318E+21
Height 10161100.40402