20872912 is an even 8-digits composite number following 20872911
and preceding 20872913 . In scientific notation, it is written as 2.0872912 × 10^7.
The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors.
There are 10280160 positive integers (up to 20872912) that are relatively prime to 20872912.
20872912 has 20 divisors, whose sum is 41046976
The reverse of 20872912 is 21927802
Previous prime number is 67
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million eight hundred seventy-two thousand nine hundred twelve
Scientific notation
2.0872912 × 10^7
Engineering notation
2.0872912 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 67 × 19471
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2609114
Product of the distinct prime numbers
The prime factorization of 20872912 is 2 × 2 × 2 × 2 × 67 × 19471.
Since it has a total of 6 prime factors.
1 , 3 , 13 , 59 , 446 , 366 , 3726 , 6781 , 2524 , 14827 , 970061 , 329763 , 6311456 , 77121 , 97980969 , 68259175 , 95473675 , 640855453 , 5288464773 , 6359699074
n×2
41745824
n×3
62618736
n×4
83491648
n×5
104364560
n÷2
10436456
n÷3
6957637.3333333
n÷3
5218228
n÷5
4174582.4
n2
435678455359744
n3
9.0938780590199E+21
n4
1.8981571646465E+29
n5
3.9620067459836E+36
2 √n
4568.6882143565
3 √n
275.33474168417
4 √n
67.592072126519
5 √n
29.101582668997
1 , 2 , 4 , 8 , 16 , 67 , 134 , 268 , 536 , 1072 , 19471 , 38942 , 77884 , 155768 , 311536 , 1304557 , 2609114 , 5218228 , 10436456 , 20872912
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20872911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20872912 can be divided by 20 positive divisors.
The sum of these divisors (counting 20872912) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001111100111111011010000
3
Ternary
1110021110020211
4
Quaternary
1033213323100
5
Quinary
20320413122
6
Senary
2023213504
8
Octal
117477320
10
Decimal
20872912
12
Duodecimal
6ba7294
16
Hexadecimal
13e7ed0
20
Vigesimal
6a925c
36
Base36
cfdn4
md5
435622d53988542cd447157960d2c84b
sha1
5983d79951f566e4f812f16128a6dba002c0c7d9
sha256
70a046f0d1475d5239a657c55b125ee9c37bcbb50988ab6838c7e9de1924f497
sha512
1d676063b41ac3b0d295566326397b0b52f5e44d07ffd628488499e8865a4b1bbe645df1316b35535356ed0681b7ca63ef627d840b81fa98fda456c4633edc01
ripemd-160
d246d71537dfed7d2559c70df3a651c07204fa42
Diameter
41745824
Circumference
131148373.99645
Area
1.3687242346855E+15
Volume
3.8092347337144E+22
Surface area
5.4748969387421E+15
Circumference
131148373.99645
Perimeter
83491648
Area
435678455359744
Diagonal
29518755.23662
Surface area
2614070732158464
Volume
9.0938780590199E+21
Space diagonal
36152944.085914
Perimeter
62618736
Area
1.8865430511155E+14
Altitude
18076472.042957
Surface area
1.8865430511155E+14
Volume
1.0717238071361E+21
Height
9839585.0788734