20972868 is an even 8-digits composite number following 20972867
and preceding 20972869 . In scientific notation, it is written as 2.0972868 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 5992224 positive integers (up to 20972868) that are relatively prime to 20972868.
20972868 has 24 divisors, whose sum is 55927872
The reverse of 20972868 is 86827902
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million nine hundred seventy-two thousand eight hundred sixty-eight
Scientific notation
2.0972868 × 10^7
Engineering notation
2.0972868 × 10^6
Prime Factorization
2 × 2 × 3 × 7 × 249677
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10486434
Product of the distinct prime numbers
The prime factorization of 20972868 is 2 × 2 × 3 × 7 × 249677.
Since it has a total of 5 prime factors.
6 , 1 , 75 , 57 , 730 , 609 , 1905 , 2497 , 96824 , 18754 , 152939 , 709494 , 5922105 , 1689681 , 90910135 , 51993358 , 741942819 , 826367172 , 3098985490 , 2971646360
n×2
41945736
n×3
62918604
n×4
83891472
n×5
104864340
n÷2
10486434
n÷3
6990956
n÷3
5243217
n÷5
4194573.6
n2
439861192145424
n3
9.2251507211886E+21
n4
1.9347786835559E+29
n5
4.0577857939432E+36
2 √n
4579.6143942476
3 √n
275.77354876268
4 √n
67.672848279407
5 √n
29.129401707867
1 , 2 , 3 , 4 , 6 , 7 , 12 , 14 , 21 , 28 , 42 , 84 , 249677 , 499354 , 749031 , 998708 , 1498062 , 1747739 , 2996124 , 3495478 , 5243217 , 6990956 , 10486434 , 20972868
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
-20972867
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 20972868 can be divided by 24 positive divisors.
The sum of these divisors (counting 20972868) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000000000010101000100
3
Ternary
1110110112100220
4
Quaternary
1100000111010
5
Quinary
20332112433
6
Senary
2025304340
8
Octal
120002504
10
Decimal
20972868
12
Duodecimal
70350b0
16
Hexadecimal
1400544
20
Vigesimal
6b1c38
36
Base36
chiro
md5
95642de3692dd24525289a66eebc378c
sha1
56cdf6fdea7abbd073f84613f788ac91a7c0548a
sha256
4fb3353db18e5849e58222c1f145d17f61286b48c36cb2622f8dd1add7be45cf
sha512
286630c22542c93fd3b381f562eee545113402f2161735f053beb157ecc596711f895428c1d23ee33127850d7289ea789f9e6a6312ce298b8a8d3f569d17ac18
ripemd-160
1e1de274c969db886a2a4de4aa5095d53bb2a7c4
Diameter
41945736
Circumference
131776416.06702
Area
1.3818646898433E+15
Volume
3.8642220978593E+22
Surface area
5.5274587593732E+15
Circumference
131776416.06702
Perimeter
83891472
Area
439861192145424
Diagonal
29660114.367461
Surface area
2639167152872544
Volume
9.2251507211886E+21
Space diagonal
36326072.956435
Perimeter
62918604
Area
1.9046548326842E+14
Altitude
18163036.478218
Surface area
1.9046548326842E+14
Volume
1.0871944387367E+21
Height
9886704.7891536