21554849 is an odd 8-digits prime number following 21554848
and preceding 21554850 . In scientific notation, it is written as 2.1554849 × 10^7.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 21554848 positive integers (up to 21554849) that are relatively prime to 21554849.
21554849 has 2 divisors, whose sum is 21554850
The reverse of 21554849 is 94845512
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 38 Digital Root 2
Name
twenty-one million five hundred fifty-four thousand eight hundred forty-nine
Scientific notation
2.1554849 × 10^7
Engineering notation
2.1554849 × 10^6
Prime Factorization
21554849
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21554849 Product of the distinct prime numbers
The prime factorization of 21554849 is 21554849.
Since it has a total of 1 prime factors.
7 , 6 , 75 , 39 , 758 , 685 , 7298 , 5450 , 24423 , 39731 , 762677 , 432646 , 4269719 , 3923544 , 29219487 , 88836329 , 192881562 , 994517871 , 6700002777 , 7512873646
n×2
43109698
n×3
64664547
n×4
86219396
n×5
107774245
n÷2
10777424.5
n÷3
7184949.6666667
n÷3
5388712.25
n÷5
4310969.8
n2
464611515412801
n3
1.0014631058384E+22
n4
2.1586386025418E+29
n5
4.6529129123359E+36
2 √n4642.7200001723
3 √n278.30114615383
4 √n68.137508027314
5 √n29.289300308952
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21554850 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10777425 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4642.7201078678 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999072135 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21554849 can be divided by 2 positive divisors.
The sum of these divisors (counting 21554849) is 21554850, the average is 10777425.
Base
System
Value
2
Binary
1010010001110011010100001
3
Ternary
1111120002200202
4
Quaternary
1102032122201
5
Quinary
21004223344
6
Senary
2045554545
8
Octal
122163241
10
Decimal
21554849
12
Duodecimal
7275a55
16
Hexadecimal
148e6a1
20
Vigesimal
6ee729
36
Base36
ctztt
md5
079b834764e2f44bdaf75bcba9375f11
sha1
b1dee37568cfc487f38bf88ea3278d09cf84858f
sha256
14c1c91e92cb626490d98be4ec4cb847fa02719fa1b1108bfcd76959ab130bdf
sha512
3a9ad55c768fc705f2c413096c88e2bc29a9b6154f09e73f868c2b5965f26257cece2dca0f5dd29a4b1785fbf66525da0b9945ad841e73e55ac241c7e1c09828
ripemd-160
c21e941b45bb6115996ef0c33e8def424cb51833
Diameter
43109698
Circumference
135433110.53527
Area
1.4596201235941E+15
Volume
4.1949188481909E+22
Surface area
5.8384804943763E+15
Circumference
135433110.53527
Perimeter
86219396
Area
464611515412801
Diagonal
30483159.790704
Surface area
2787669092476806
Volume
1.0014631058384E+22
Space diagonal
37334093.617475
Perimeter
64664547
Area
2.0118268761914E+14
Altitude
18667046.808738
Surface area
2.0118268761914E+14
Volume
1.1802355887441E+21
Height
10161053.263568