20972969 is an odd 8-digits composite number following 20972968
and preceding 20972970 . In scientific notation, it is written as 2.0972969 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 20245680 positive integers (up to 20972969) that are relatively prime to 20972969.
20972969 has 8 divisors, whose sum is 21709248
The reverse of 20972969 is 96927902
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty million nine hundred seventy-two thousand nine hundred sixty-nine
Scientific notation
2.0972969 × 10^7
Engineering notation
2.0972969 × 10^6
Prime Factorization
131 × 37 × 4327
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20972969
Product of the distinct prime numbers
The prime factorization of 20972969 is 131 × 37 × 4327.
Since it has a total of 3 prime factors.
3 , 6 , 30 , 69 , 40 , 565 , 7969 , 6608 , 88207 , 30909 , 119144 , 838 , 6713585 , 3786591 , 93569269 , 80547774 , 800296325 , 165847659 , 8411791836 , 5647423183
n×2
41945938
n×3
62918907
n×4
83891876
n×5
104864845
n÷2
10486484.5
n÷3
6990989.6666667
n÷3
5243242.25
n÷5
4194593.8
n2
439865428674961
n3
9.2252839997717E+21
n4
1.9348159534341E+29
n5
4.0578835012078E+36
2 √n
4579.6254213636
3 √n
275.77399144707
4 √n
67.672929753068
5 √n
29.129429763772
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
-20972968
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 20972969 can be divided by 8 positive divisors.
The sum of these divisors (counting 20972969) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000000010110101001
3
Ternary
1110110112111122
4
Quaternary
1100000112221
5
Quinary
20332113334
6
Senary
2025305025
8
Octal
120002651
10
Decimal
20972969
12
Duodecimal
7035175
16
Hexadecimal
14005a9
20
Vigesimal
6b1c89
36
Base36
chiuh
md5
6b28adf6c35f3b7c4270478dfc676314
sha1
19a2d820c213c6a9c20618a5fe85b1f0f8651876
sha256
e0a8790cd740622e4946aebcb5217fca49bf8a9f44fee08680779e72532cfbff
sha512
01ed49104a1eb803c807871fcc620408563f985856060791b0b20b35ed06164ae924bcabbca4d9129d119619d637b86cf31dedc8e21d571072a558bd7745a236
ripemd-160
b46eba9e856300a0e3fe50ce5b27989b400fe1e8
Diameter
41945938
Circumference
131777050.66873
Area
1.3818779992934E+15
Volume
3.8642779254616E+22
Surface area
5.5275119971735E+15
Circumference
131777050.66873
Perimeter
83891876
Area
439865428674961
Diagonal
29660257.20303
Surface area
2639192572049766
Volume
9.2252839997717E+21
Space diagonal
36326247.893567
Perimeter
62918907
Area
1.9046731773952E+14
Altitude
18163123.946784
Surface area
1.9046731773952E+14
Volume
1.0872101457684E+21
Height
9886752.4010102