21497954 is an even 8-digits composite number following 21497953
and preceding 21497955 . In scientific notation, it is written as 2.1497954 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 10501920 positive integers (up to 21497954) that are relatively prime to 21497954.
21497954 has 16 divisors, whose sum is 32997120
The reverse of 21497954 is 45979412
Previous prime number is 79
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-one million four hundred ninety-seven thousand nine hundred fifty-four
Scientific notation
2.1497954 × 10^7
Engineering notation
2.1497954 × 10^6
Prime Factorization
2 × 103 × 79 × 1321
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21497954
Product of the distinct prime numbers
The prime factorization of 21497954 is 2 × 103 × 79 × 1321.
Since it has a total of 4 prime factors.
1 , 8 , 3 , 33 , 114 , 522 , 8965 , 3451 , 33417 , 14770 , 319830 , 974259 , 5041000 , 5531690 , 43750863 , 64219411 , 247748897 , 826399161 , 1961303814 , 9562358963
n×2
42995908
n×3
64493862
n×4
85991816
n×5
107489770
n÷2
10748977
n÷3
7165984.6666667
n÷3
5374488.5
n÷5
4299590.8
n2
462162026186116
n3
9.9355379794959E+21
n4
2.1359373844846E+29
n5
4.5918283638529E+36
2 √n
4636.5886166448
3 √n
278.05606756933
4 √n
68.092500443476
5 √n
29.273821871005
1 , 2 , 79 , 103 , 158 , 206 , 1321 , 2642 , 8137 , 16274 , 104359 , 136063 , 208718 , 272126 , 10748977 , 21497954
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
-21497953
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 21497954 can be divided by 16 positive divisors.
The sum of these divisors (counting 21497954) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010000000100001100010
3
Ternary
1111110012122112
4
Quaternary
1102000201202
5
Quinary
21000413304
6
Senary
2044435322
8
Octal
122004142
10
Decimal
21497954
12
Duodecimal
7248b42
16
Hexadecimal
1480862
20
Vigesimal
6e74he
36
Base36
csrxe
md5
72e5c577da7953de4aa9f1de45a2161c
sha1
eca00fcb60d3e89bb0317d23e7811ef6ed32785c
sha256
32c3f965e1983dcad6e2cdaa9e0308044931add51df9f9ca2703ed6d134477e2
sha512
a84e3727a6b35fce4f2437534ada50a9487aa7f2c9b3b4031eda0d1a4d59e3b3156d90d500c913edb051268c722e0cdba3d3ac2f5402c16470cd1db81ec000a5
ripemd-160
2dc9e03e34c846703ce63be0956c8ac50fd6bce9
Diameter
42995908
Circumference
135075628.70722
Area
1.4519248262345E+15
Volume
4.1617884167796E+22
Surface area
5.8076993049379E+15
Circumference
135075628.70722
Perimeter
85991816
Area
462162026186116
Diagonal
30402698.110073
Surface area
2772972157116696
Volume
9.9355379794959E+21
Space diagonal
37235548.586779
Perimeter
64493862
Area
2.0012202767083E+14
Altitude
18617774.293389
Surface area
2.0012202767083E+14
Volume
1.1709143800063E+21
Height
10134232.703358