20972908 is an even 8-digits composite number following 20972907
and preceding 20972909 . In scientific notation, it is written as 2.0972908 × 10^7.
The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors.
There are 9443520 positive integers (up to 20972908) that are relatively prime to 20972908.
20972908 has 24 divisors, whose sum is 40415760
The reverse of 20972908 is 80927902
Previous prime number is 109
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million nine hundred seventy-two thousand nine hundred eight
Scientific notation
2.0972908 × 10^7
Engineering notation
2.0972908 × 10^6
Prime Factorization
2 × 2 × 11 × 109 × 4373
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10486454
Product of the distinct prime numbers
The prime factorization of 20972908 is 2 × 2 × 11 × 109 × 4373.
Since it has a total of 5 prime factors.
1 , 3 , 58 , 11 , 793 , 208 , 5239 , 4422 , 43454 , 87207 , 839931 , 150790 , 1676451 , 9443091 , 86524346 , 60827464 , 339070364 , 439899258 , 8620426923 , 6791301933
n×2
41945816
n×3
62918724
n×4
83891632
n×5
104864540
n÷2
10486454
n÷3
6990969.3333333
n÷3
5243227
n÷5
4194581.6
n2
439862869976464
n3
9.2252035046323E+21
n4
1.9347934438393E+29
n5
4.0578244896645E+36
2 √n
4579.6187614255
3 √n
275.7737240834
4 √n
67.672880546238
5 √n
29.129412819129
1 , 2 , 4 , 11 , 22 , 44 , 109 , 218 , 436 , 1199 , 2398 , 4373 , 4796 , 8746 , 17492 , 48103 , 96206 , 192412 , 476657 , 953314 , 1906628 , 5243227 , 10486454 , 20972908
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20972907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20972908 can be divided by 24 positive divisors.
The sum of these divisors (counting 20972908) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000000000010101101100
3
Ternary
1110110112102101
4
Quaternary
1100000111230
5
Quinary
20332113113
6
Senary
2025304444
8
Octal
120002554
10
Decimal
20972908
12
Duodecimal
7035124
16
Hexadecimal
140056c
20
Vigesimal
6b1c58
36
Base36
chiss
md5
bccc5a258c1476b49aa5d3207d5f57aa
sha1
d5791f9893b14f73f6b9eedcd91947b1c54d7373
sha256
97b526f3c7e03a3c0f3fc2a667b8971463d6a1c22b1e0c90061f2ed902b38b95
sha512
84ae31e7b294c2d7e1c040f2e3bb6406a08e47329d82a7b574aeed61450668c781e7539e171790dcd34ff398a78f6846afa2204a7a565cdbdb923d417c482904
ripemd-160
ab2ac7b3f0d8a5831d42d20536caa79a0562f5ca
Diameter
41945816
Circumference
131776667.39443
Area
1.381869960905E+15
Volume
3.8642442077365E+22
Surface area
5.5274798436199E+15
Circumference
131776667.39443
Perimeter
83891632
Area
439862869976464
Diagonal
29660170.936003
Surface area
2639177219858784
Volume
9.2252035046323E+21
Space diagonal
36326142.238468
Perimeter
62918724
Area
1.9046620979057E+14
Altitude
18163071.119234
Surface area
1.9046620979057E+14
Volume
1.0872006593252E+21
Height
9886723.6453344