21497964 is an even 8-digits composite number following 21497963
and preceding 21497965 . In scientific notation, it is written as 2.1497964 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors.
There are 7165984 positive integers (up to 21497964) that are relatively prime to 21497964.
21497964 has 12 divisors, whose sum is 50161944
The reverse of 21497964 is 46979412
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-one million four hundred ninety-seven thousand nine hundred sixty-four
Scientific notation
2.1497964 × 10^7
Engineering notation
2.1497964 × 10^6
Prime Factorization
2 × 2 × 3 × 1791497
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10748982
Product of the distinct prime numbers
The prime factorization of 21497964 is 2 × 2 × 3 × 1791497.
Since it has a total of 4 prime factors.
4 , 4 , 53 , 26 , 332 , 764 , 7067 , 3075 , 70140 , 96194 , 95431 , 190526 , 2193882 , 7389361 , 70367749 , 80573164 , 30670107 , 926502447 , 662146608 , 1206472244
n×2
42995928
n×3
64493892
n×4
85991856
n×5
107489820
n÷2
10748982
n÷3
7165988
n÷3
5374491
n÷5
4299592.8
n2
462162456145296
n3
9.9355518443632E+21
n4
2.1359413587025E+29
n5
4.5918390435498E+36
2 √n
4636.5896950237
3 √n
278.05611068289
4 √n
68.092508361961
5 √n
29.273824594409
1 , 2 , 3 , 4 , 6 , 12 , 1791497 , 3582994 , 5374491 , 7165988 , 10748982 , 21497964
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21497963
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21497964 can be divided by 12 positive divisors.
The sum of these divisors (counting 21497964) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010000000100001101100
3
Ternary
1111110012122220
4
Quaternary
1102000201230
5
Quinary
21000413324
6
Senary
2044435340
8
Octal
122004154
10
Decimal
21497964
12
Duodecimal
7248b50
16
Hexadecimal
148086c
20
Vigesimal
6e74i4
36
Base36
csrxo
md5
cda14a5bdb45ddddf8f9ba52a8c3c88e
sha1
0d448b83b023b701e22129559593e2ceeeb7bf8b
sha256
ab1cf4098da8792e68273d1fbca78021de66b25c416e8b244bb8c1dd2c09feaa
sha512
c58cd388ba79c18463ed75ef67491a16fc2d5a3e9dde3f94c89f83e3f9eb531cde288d652d16a319b0e2ae117a12092e320adcb60d5adcfc6ecc37c2b6878a78
ripemd-160
a4a7885f42d513b8c20e33f205feaefa837b4988
Diameter
42995928
Circumference
135075691.53908
Area
1.4519261769911E+15
Volume
4.1617942244816E+22
Surface area
5.8077047079643E+15
Circumference
135075691.53908
Perimeter
85991856
Area
462162456145296
Diagonal
30402712.252209
Surface area
2772974736871776
Volume
9.9355518443632E+21
Space diagonal
37235565.907287
Perimeter
64493892
Area
2.0012221384862E+14
Altitude
18617782.953643
Surface area
2.0012221384862E+14
Volume
1.1709160139966E+21
Height
10134237.417403