20972949 is an odd 8-digits composite number following 20972948
and preceding 20972950 . In scientific notation, it is written as 2.0972949 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 13588848 positive integers (up to 20972949) that are relatively prime to 20972949.
20972949 has 16 divisors, whose sum is 28756992
The reverse of 20972949 is 94927902
Previous prime number is 443
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million nine hundred seventy-two thousand nine hundred forty-nine
Scientific notation
2.0972949 × 10^7
Engineering notation
2.0972949 × 10^6
Prime Factorization
3 × 43 × 443 × 367
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20972949
Product of the distinct prime numbers
The prime factorization of 20972949 is 3 × 43 × 443 × 367.
Since it has a total of 4 prime factors.
4 , 1 , 83 , 1 , 294 , 721 , 5208 , 282 , 41065 , 18956 , 282714 , 355994 , 2495712 , 8083930 , 25482922 , 37965861 , 274970766 , 803214680 , 9141374924 , 1193008880
n×2
41945898
n×3
62918847
n×4
83891796
n×5
104864745
n÷2
10486474.5
n÷3
6990983
n÷3
5243237.25
n÷5
4194589.8
n2
439864589756601
n3
9.2252576078711E+21
n4
1.9348085732174E+29
n5
4.0578641530852E+36
2 √n
4579.6232377784
3 √n
275.77390378691
4 √n
67.672913619693
5 √n
29.129424208155
1 , 3 , 43 , 129 , 367 , 443 , 1101 , 1329 , 15781 , 19049 , 47343 , 57147 , 162581 , 487743 , 6990983 , 20972949
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
-20972948
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 20972949 can be divided by 16 positive divisors.
The sum of these divisors (counting 20972949) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000000010110010101
3
Ternary
1110110112110220
4
Quaternary
1100000112111
5
Quinary
20332113244
6
Senary
2025304553
8
Octal
120002625
10
Decimal
20972949
12
Duodecimal
7035159
16
Hexadecimal
1400595
20
Vigesimal
6b1c79
36
Base36
chitx
md5
222460923be8ecf3d888ebdaf704b60f
sha1
2aa5e1e8a5a4635ddb4c20f821c4927a22d5c65c
sha256
6c9338ab3a2b49a87ea42943f6cb6e790bbcd7b51c7f41544c98254b66466bde
sha512
a03f066f03aef0e93872bf2139c2f68ecc286a5345944f2b4cd2641c2b2e2833ce0a48c25e3ac544142a5f69deda52824d313fd05a44eb0972bc526a9ff9906f
ripemd-160
5e49c4c3b9d6071c648a507a3e046a9773b7a6e9
Diameter
41945898
Circumference
131776925.00503
Area
1.3818753637536E+15
Volume
3.8642668704482E+22
Surface area
5.5275014550145E+15
Circumference
131776925.00503
Perimeter
83891796
Area
439864589756601
Diagonal
29660228.918759
Surface area
2639187538539606
Volume
9.2252576078711E+21
Space diagonal
36326213.252551
Perimeter
62918847
Area
1.9046695447722E+14
Altitude
18163106.626275
Surface area
1.9046695447722E+14
Volume
1.0872070354531E+21
Height
9886742.9729197