20187212 is an even 8-digits composite number following 20187211
and preceding 20187213 . In scientific notation, it is written as 2.0187212 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 10081680 positive integers (up to 20187212) that are relatively prime to 20187212.
20187212 has 12 divisors, whose sum is 35369376
The reverse of 20187212 is 21278102
Previous prime number is 1021
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred eighty-seven thousand two hundred twelve
Scientific notation
2.0187212 × 10^7
Engineering notation
2.0187212 × 10^6
Prime Factorization
2 × 2 × 1021 × 4943
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10093606
Product of the distinct prime numbers
The prime factorization of 20187212 is 2 × 2 × 1021 × 4943.
Since it has a total of 4 prime factors.
5 , 9 , 71 , 46 , 736 , 314 , 6427 , 3213 , 15740 , 75604 , 907965 , 426421 , 6603581 , 8255503 , 48034671 , 63021743 , 602289294 , 388682680 , 7479781678 , 8450634426
n×2
40374424
n×3
60561636
n×4
80748848
n×5
100936060
n÷2
10093606
n÷3
6729070.6666667
n÷3
5046803
n÷5
4037442.4
n2
407523528332944
n3
8.2267638614451E+21
n4
1.6607542614493E+29
n5
3.3525998355781E+36
2 √n
4493.0181392912
3 √n
272.28608524031
4 √n
67.029979406913
5 √n
28.907815136752
1 , 2 , 4 , 1021 , 2042 , 4084 , 4943 , 9886 , 19772 , 5046803 , 10093606 , 20187212
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20187211
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20187212 can be divided by 12 positive divisors.
The sum of these divisors (counting 20187212) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000000100001001100
3
Ternary
1101222121122112
4
Quaternary
1031000201030
5
Quinary
20131442322
6
Senary
2000403152
8
Octal
115004114
10
Decimal
20187212
12
Duodecimal
69164b8
16
Hexadecimal
134084c
20
Vigesimal
66380c
36
Base36
c0ojw
md5
5e68e8aca55321c63271eafd82be430c
sha1
fe05026bd62828b88fdfcf3a9ea87251573fd264
sha256
482da86d8e2967ba91c1e16f42f42bbf3ad01152c08cbf1a03e40be134df9b76
sha512
3d898b1625791664e1e9c1c09a5333db08006edf03f64e02ec85227b0a15c01237535d7a4adc9489799d19b8501bffd4e3326c756e353dcbc4313691e0e3f540
ripemd-160
228242ca80fda02e9fb7e15cc9888c0935997121
Diameter
40374424
Circumference
126839993.83132
Area
1.2802729227758E+15
Volume
3.4460187879912E+22
Surface area
5.1210916911031E+15
Circumference
126839993.83132
Perimeter
80748848
Area
407523528332944
Diagonal
28549028.996901
Surface area
2445141169997664
Volume
8.2267638614451E+21
Space diagonal
34965276.847164
Perimeter
60561636
Area
1.764628640881E+14
Altitude
17482638.423582
Surface area
1.764628640881E+14
Volume
9.6953341894138E+20
Height
9516342.998967