21492969 is an odd 8-digits composite number following 21492968
and preceding 21492970 . In scientific notation, it is written as 2.1492969 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 14180736 positive integers (up to 21492969) that are relatively prime to 21492969.
21492969 has 8 divisors, whose sum is 28953120
The reverse of 21492969 is 96929412
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-one million four hundred ninety-two thousand nine hundred sixty-nine
Scientific notation
2.1492969 × 10^7
Engineering notation
2.1492969 × 10^6
Prime Factorization
3 × 97 × 73859
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21492969
Product of the distinct prime numbers
The prime factorization of 21492969 is 3 × 97 × 73859.
Since it has a total of 3 prime factors.
10 , 7 , 61 , 6 , 123 , 32 , 2617 , 5001 , 95048 , 18525 , 229855 , 755380 , 4834635 , 1961752 , 46320327 , 93549492 , 704856716 , 49048725 , 372614571 , 3308711146
n×2
42985938
n×3
64478907
n×4
85971876
n×5
107464845
n÷2
10746484.5
n÷3
7164323
n÷3
5373242.25
n÷5
4298593.8
n2
461947716434961
n3
9.9286279489574E+21
n4
2.1339569271948E+29
n5
4.5865070083532E+36
2 √n
4636.0510135243
3 √n
278.03457379293
4 √n
68.088552734834
5 √n
29.272464127478
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21492968
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492969 can be divided by 8 positive divisors.
The sum of these divisors (counting 21492969) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001111111010011101001
3
Ternary
1111102221210220
4
Quaternary
1101333103221
5
Quinary
21000233334
6
Senary
2044400253
8
Octal
121772351
10
Decimal
21492969
12
Duodecimal
7246089
16
Hexadecimal
147f4e9
20
Vigesimal
6e6c89
36
Base36
cso2x
md5
39c69dd834f2f2fd5cc08d3e9b759c39
sha1
1f11c52e619274c7c46bd79a7d57ff41320c956b
sha256
4939777490c407ce21ab4dda8499ec9c0069278b3929e8c4f7bd45fc49c59ec5
sha512
f770e04599e0e3acd11a094e8f6fab107f78a619be846c7361e2103c4c3eb87fd9f0303bedec821f3349e0d5cbd2e19f4861896fadded03896338a913ccedf58
ripemd-160
7cce1947b8c086d34c56d97285d5b7fa62d98d7e
Diameter
42985938
Circumference
135044307.02847
Area
1.4512515522947E+15
Volume
4.1588939499561E+22
Surface area
5.8050062091786E+15
Circumference
135044307.02847
Perimeter
85971876
Area
461947716434961
Diagonal
30395648.255465
Surface area
2771686298609766
Volume
9.9286279489574E+21
Space diagonal
37226914.313503
Perimeter
64478907
Area
2.0002922882644E+14
Altitude
18613457.156751
Surface area
2.0002922882644E+14
Volume
1.1701000250977E+21
Height
10131882.751822