21495953 is an odd 8-digits composite number following 21495952
and preceding 21495954 . In scientific notation, it is written as 2.1495953 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 21472308 positive integers (up to 21495953) that are relatively prime to 21495953.
21495953 has 4 divisors, whose sum is 21519600
The reverse of 21495953 is 35959412
Previous prime number is 947
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million four hundred ninety-five thousand nine hundred fifty-three
Scientific notation
2.1495953 × 10^7
Engineering notation
2.1495953 × 10^6
Prime Factorization
947 × 22699
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21495953
Product of the distinct prime numbers
The prime factorization of 21495953 is 947 × 22699.
Since it has a total of 2 prime factors.
9 , 2 , 29 , 36 , 343 , 852 , 226 , 1046 , 80563 , 11178 , 252785 , 254900 , 3988438 , 8165445 , 66793269 , 72903932 , 613855529 , 862482217 , 4696624846 , 3897609655
n×2
42991906
n×3
64487859
n×4
85983812
n×5
107479765
n÷2
10747976.5
n÷3
7165317.6666667
n÷3
5373988.25
n÷5
4299190.6
n2
462075995378209
n3
9.9327638790782E+21
n4
2.1351422550476E+29
n5
4.5896917562818E+36
2 √n
4636.3728279766
3 √n
278.04744027617
4 √n
68.090915899088
5 √n
29.273276897296
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
-21495952
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 21495953 can be divided by 4 positive divisors.
The sum of these divisors (counting 21495953) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010000000000010010001
3
Ternary
1111110002220102
4
Quaternary
1102000002101
5
Quinary
21000332303
6
Senary
2044422145
8
Octal
122000221
10
Decimal
21495953
12
Duodecimal
7247955
16
Hexadecimal
1480091
20
Vigesimal
6e6jhd
36
Base36
csqdt
md5
4356155d754fccab9efe776808038ea0
sha1
d5b872e0863e7eaac96a34f1c39785e7bb2fea20
sha256
6cea82919c636c3337300f9f95efdce738f4420e6f4b9283dbf2b56bf4dc7d14
sha512
e5964b8136b1bee2c21b456c1c0a9bbe013172bb5a8700defa612fa90462062cad021b3bd85190204f012ee1824feb8c2474ceb1f8945757a95ce1a123507002
ripemd-160
296a64731073bfb384981a9b29d4f91467059159
Diameter
42991906
Circumference
135063056.05342
Area
1.4516545524804E+15
Volume
4.1606264043139E+22
Surface area
5.8066182099215E+15
Circumference
135063056.05342
Perimeter
85983812
Area
462075995378209
Diagonal
30399868.268735
Surface area
2772455972269254
Volume
9.9327638790782E+21
Space diagonal
37232082.753113
Perimeter
64487859
Area
2.0008477523825E+14
Altitude
18616041.376556
Surface area
2.0008477523825E+14
Volume
1.1705874491368E+21
Height
10133289.422912