21492974 is an even 8-digits composite number following 21492973
and preceding 21492975 . In scientific notation, it is written as 2.1492974 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 10746486 positive integers (up to 21492974) that are relatively prime to 21492974.
21492974 has 4 divisors, whose sum is 32239464
The reverse of 21492974 is 47929412
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million four hundred ninety-two thousand nine hundred seventy-four
Scientific notation
2.1492974 × 10^7
Engineering notation
2.1492974 × 10^6
Prime Factorization
2 × 10746487
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21492974
Product of the distinct prime numbers
The prime factorization of 21492974 is 2 × 10746487.
Since it has a total of 2 prime factors.
3 , 6 , 67 , 2 , 409 , 788 , 8867 , 9254 , 97392 , 8230 , 957241 , 32657 , 241250 , 8873184 , 71724685 , 7909633 , 951481258 , 428828196 , 2151799677 , 9955597754
n×2
42985948
n×3
64478922
n×4
85971896
n×5
107464870
n÷2
10746487
n÷3
7164324.6666667
n÷3
5373243.5
n÷5
4298594.8
n2
461947931364676
n3
9.9286348781748E+21
n4
2.133958912921E+29
n5
4.586512343248E+36
2 √n
4636.0515527763
3 √n
278.03459535305
4 √n
68.088556694766
5 √n
29.272465489434
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
-21492973
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 21492974 can be divided by 4 positive divisors.
The sum of these divisors (counting 21492974) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111111010011101110
3
Ternary
1111102221211002
4
Quaternary
1101333103232
5
Quinary
21000233344
6
Senary
2044400302
8
Octal
121772356
10
Decimal
21492974
12
Duodecimal
7246092
16
Hexadecimal
147f4ee
20
Vigesimal
6e6c8e
36
Base36
cso32
md5
9e0e1d64258804f87024791dfaebd6c0
sha1
92a03fe9302934bdd062be4a674a52dfbf6b057e
sha256
fee33e6be6acf41632946b19c5684be3b3de6295696a15e476427404a705f282
sha512
985b3980db869afea65631e8fd267c73c0e848768ff35c236919e45f5eeb00811c58556e9c9cf21e4efcd594a496c21d63c3bc9e09dfbb0c6caf63c3fbe721ff
ripemd-160
4cd8c6693d4741103ca4c91e658caf9b5eac1f5f
Diameter
42985948
Circumference
135044338.44439
Area
1.4512522275163E+15
Volume
4.1588968524599E+22
Surface area
5.8050089100651E+15
Circumference
135044338.44439
Perimeter
85971896
Area
461947931364676
Diagonal
30395655.326532
Surface area
2771687588188056
Volume
9.9286348781748E+21
Space diagonal
37226922.973757
Perimeter
64478922
Area
2.0002932189374E+14
Altitude
18613461.486878
Surface area
2.0002932189374E+14
Volume
1.1701008417138E+21
Height
10131885.108844