21497430 is an even 8-digits composite number following 21497429
and preceding 21497431 . In scientific notation, it is written as 2.1497430 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 5732640 positive integers (up to 21497430) that are relatively prime to 21497430.
21497430 has 16 divisors, whose sum is 51593904
The reverse of 21497430 is 03479412
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million four hundred ninety-seven thousand four hundred thirty
Scientific notation
2.1497430 × 10^7
Engineering notation
2.1497430 × 10^6
Prime Factorization
2 × 3 × 5 × 716581
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21497430
Product of the distinct prime numbers
The prime factorization of 21497430 is 2 × 3 × 5 × 716581.
Since it has a total of 4 prime factors.
7 , 9 , 26 , 33 , 48 , 471 , 5365 , 1579 , 11534 , 46415 , 854071 , 521899 , 6524380 , 3712184 , 30533846 , 72692409 , 495929537 , 973837539 , 3322059056 , 8648968415
n×2
42994860
n×3
64492290
n×4
85989720
n×5
107487150
n÷2
10748715
n÷3
7165810
n÷3
5374357.5
n÷5
4299486
n2
462139496604900
n3
9.9348114784991E+21
n4
2.1357291432223E+29
n5
4.5912687755381E+36
2 √n
4636.5321092385
3 √n
278.05380839987
4 √n
68.092085511009
5 √n
29.273679163171
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 716581 , 1433162 , 2149743 , 3582905 , 4299486 , 7165810 , 10748715 , 21497430
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
-21497429
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 21497430 can be divided by 16 positive divisors.
The sum of these divisors (counting 21497430) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010000000011001010110
3
Ternary
1111110011221010
4
Quaternary
1102000121112
5
Quinary
21000404210
6
Senary
2044433050
8
Octal
122003126
10
Decimal
21497430
12
Duodecimal
7248786
16
Hexadecimal
1480656
20
Vigesimal
6e73ba
36
Base36
csriu
md5
8a6d51b8e0fc7bb6d50b812dd88221e0
sha1
68220bae43dd043c75a791f1aba91b7e667c4b69
sha256
85ab00c277a9da576c62e838a48b927f916f8cc21613052559a164aa01cf8c57
sha512
39dfec2cb23031b5a9c7106b5679ef4666683ad49ecd73c379425c0b765269e650df76bd4692065ea952868b6bd29577aa19494ca78087d09b5963e9cbfb8578
ripemd-160
12efa27069250ecacaafc3bec7a7a5bcaada1f00
Diameter
42994860
Circumference
135072336.31812
Area
1.4518540474676E+15
Volume
4.1614841007536E+22
Surface area
5.8074161898706E+15
Circumference
135072336.31812
Perimeter
85989720
Area
462139496604900
Diagonal
30401957.062166
Surface area
2772836979629400
Volume
9.9348114784991E+21
Space diagonal
37234640.992155
Perimeter
64492290
Area
2.00112272076E+14
Altitude
18617320.496078
Surface area
2.00112272076E+14
Volume
1.1708287610428E+21
Height
10133985.687389