21554975 is an odd 8-digits composite number following 21554974
and preceding 21554976 . In scientific notation, it is written as 2.1554975 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 15361920 positive integers (up to 21554975) that are relatively prime to 21554975.
21554975 has 16 divisors, whose sum is 28060032
The reverse of 21554975 is 57945512
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million five hundred fifty-four thousand nine hundred seventy-five
Scientific notation
2.1554975 × 10^7
Engineering notation
2.1554975 × 10^6
Prime Factorization
145 × 5 × 13 × 2287
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21554975
Product of the distinct prime numbers
The prime factorization of 21554975 is 145 × 5 × 13 × 2287.
Since it has a total of 4 prime factors.
6 , 6 , 34 , 34 , 556 , 813 , 2270 , 7362 , 43216 , 83314 , 402519 , 767082 , 9744214 , 9416827 , 92310371 , 16143897 , 647290238 , 645772173 , 7591758977 , 65398493
n×2
43109950
n×3
64664925
n×4
86219900
n×5
107774875
n÷2
10777487.5
n÷3
7184991.6666667
n÷3
5388743.75
n÷5
4310995
n2
464616947250625
n3
1.0014806682564E+22
n4
2.1586890767249E+29
n5
4.6530489081578E+36
2 √n
4642.7335697841
3 √n
278.30168842742
4 √n
68.13760760244
5 √n
29.2893345513
1 , 5 , 13 , 65 , 145 , 725 , 1885 , 2287 , 9425 , 11435 , 29731 , 148655 , 331615 , 1658075 , 4310995 , 21554975
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21554974
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21554975 can be divided by 16 positive divisors.
The sum of these divisors (counting 21554975) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010001110011100011111
3
Ternary
1111120002212102
4
Quaternary
1102032130133
5
Quinary
21004224400
6
Senary
2045555315
8
Octal
122163437
10
Decimal
21554975
12
Duodecimal
7275b3b
16
Hexadecimal
148e71f
20
Vigesimal
6ee78f
36
Base36
ctzxb
md5
2862e084fb4abfe70c311448f5e21244
sha1
795feeed318db39e4bccba09574702f091bf76d2
sha256
36220abbcc424efe029244ec755debd3658c6e03f01a9c3c0348c10bcb36bc3c
sha512
4b0a6abf405731e970f8560cb0ccccc6d3390bbb4fb6b5b3c8a2fcf5f328a1f16ae621289f7271303b38682b524929f3f1e9eee7a9f7124203170723673380ec
ripemd-160
0ed6d93009621a98aba711055df47d256d6d52d7
Diameter
43109950
Circumference
135433902.21662
Area
1.4596371882159E+15
Volume
4.1949924134751E+22
Surface area
5.8385487528635E+15
Circumference
135433902.21662
Perimeter
86219900
Area
464616947250625
Diagonal
30483337.981613
Surface area
2787701683503750
Volume
1.0014806682564E+22
Space diagonal
37334311.855877
Perimeter
64664925
Area
2.0118503967391E+14
Altitude
18667155.927938
Surface area
2.0118503967391E+14
Volume
1.1802562862522E+21
Height
10161112.660538