21497958 is an even 8-digits composite number following 21497957
and preceding 21497959 . In scientific notation, it is written as 2.1497958 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 7149984 positive integers (up to 21497958) that are relatively prime to 21497958.
21497958 has 16 divisors, whose sum is 35910000
The reverse of 21497958 is 85979412
Previous prime number is 2099
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-one million four hundred ninety-seven thousand nine hundred fifty-eight
Scientific notation
2.1497958 × 10^7
Engineering notation
2.1497958 × 10^6
Prime Factorization
2 × 9 × 2099 × 569
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21497958
Product of the distinct prime numbers
The prime factorization of 21497958 is 2 × 9 × 2099 × 569.
Since it has a total of 4 prime factors.
8 , 8 , 53 , 29 , 117 , 528 , 2300 , 3481 , 76360 , 34100 , 413543 , 70177 , 6949487 , 2029228 , 19440939 , 83965193 , 73599792 , 243649348 , 1017149769 , 4923570432
n×2
42995916
n×3
64493874
n×4
85991832
n×5
107489790
n÷2
10748979
n÷3
7165986
n÷3
5374489.5
n÷5
4299591.6
n2
462162198169764
n3
9.9355435254413E+21
n4
2.1359389741711E+29
n5
4.5918326357293E+36
2 √n
4636.5890479964
3 √n
278.05608481476
4 √n
68.09250361087
5 √n
29.273822960367
1 , 2 , 9 , 18 , 569 , 1138 , 2099 , 4198 , 5121 , 10242 , 18891 , 37782 , 1194331 , 2388662 , 10748979 , 21497958
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
-21497957
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 21497958 can be divided by 16 positive divisors.
The sum of these divisors (counting 21497958) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010000000100001100110
3
Ternary
1111110012122200
4
Quaternary
1102000201212
5
Quinary
21000413313
6
Senary
2044435330
8
Octal
122004146
10
Decimal
21497958
12
Duodecimal
7248b46
16
Hexadecimal
1480866
20
Vigesimal
6e74hi
36
Base36
csrxi
md5
9c41d80e3fb976dad4da54327dabd16f
sha1
c1358c61247ce08a30b64eed15d556973e7a6d5c
sha256
54a0f54f62eae0162136d2fdbe31c4001ec65dea19fc1c182d73430b6318f977
sha512
9d276051266b9fd73d8ff4b1a485c6c8e8e0db3a9d3b311a9882bfee04e768bfeb8ddc692a825f738687b33e17b77fc409c89a9eebeaaca6a4b6bf5033e446f1
ripemd-160
f094706ef2acb15314a5bdb35cd3cf584dc0eeba
Diameter
42995916
Circumference
135075653.83996
Area
1.451925366537E+15
Volume
4.1617907398597E+22
Surface area
5.8077014661482E+15
Circumference
135075653.83996
Perimeter
85991832
Area
462162198169764
Diagonal
30402703.766927
Surface area
2772973189018584
Volume
9.9355435254413E+21
Space diagonal
37235555.514982
Perimeter
64493874
Area
2.0012210214194E+14
Altitude
18617777.757491
Surface area
2.0012210214194E+14
Volume
1.1709150336023E+21
Height
10134234.588976