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.
21554949 has 8 divisors, whose sum is 22183360
The reverse of 21554949 is 94945512
Previous prime number is 361
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million five hundred fifty-four thousand nine hundred forty-nine
Scientific notation
2.1554949 × 10^7
Engineering notation
2.1554949 × 10^6
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.
4 , 9 , 13 , 78 , 230 , 616 , 3674 , 7639 , 49759 , 28119 , 625821 , 490803 , 3929605 , 8259806 , 66978532 , 20288395 , 567703615 , 540495790 , 5818994094 , 6360626618
n×2
43109898
n×3
64664847
n×4
86219796
n×5
107774745
n÷2
10777474.5
n÷3
7184983
n÷3
5388737.25
n÷5
4310989.8
n2
464615826392601
n3
1.0014770442485E+22
n4
2.1586786613448E+29
n5
4.6530208452675E+36
2 √n
4642.7307697087
3 √n
278.30157652987
4 √n
68.137587055227
5 √n
29.289327485432
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
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
md5
855a355bea7ccb76964ad97ac8366712
sha1
501a833c389e35971f49f7de12cfb9aae3fcdd40
sha256
184c73de5b9d3bbebf4c7fe7c50b60a880032c87d48c0067544716f5a03e1b1a
sha512
97672702bfe654f1e7ab050c603bb2e469a636136c7b1746398c5e891e876e1908e47661c029b31016d6286f007408da4fb38a6995c8ea28525ed49b19c34da2
ripemd-160
20dedade6311281c220d533ae4c3f985629e67a3
Diameter
43109898
Circumference
135433738.85381
Area
1.4596336669365E+15
Volume
4.1949772332667E+22
Surface area
5.8385346677462E+15
Circumference
135433738.85381
Perimeter
86219796
Area
464615826392601
Diagonal
30483301.21206
Surface area
2787694958355606
Volume
1.0014770442485E+22
Space diagonal
37334266.822556
Perimeter
64664847
Area
2.0118455432815E+14
Altitude
18667133.411278
Surface area
2.0118455432815E+14
Volume
1.180252015318E+21
Height
10161100.40402