20178972 is an even 8-digits composite number following 20178971
and preceding 20178973 . In scientific notation, it is written as 2.0178972 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 6114720 positive integers (up to 20178972) that are relatively prime to 20178972.
20178972 has 12 divisors, whose sum is 35670600
The reverse of 20178972 is 27987102
Previous prime number is 99
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million one hundred seventy-eight thousand nine hundred seventy-two
Scientific notation
2.0178972 × 10^7
Engineering notation
2.0178972 × 10^6
Prime Factorization
2 × 2 × 99 × 50957
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10089486
Product of the distinct prime numbers
The prime factorization of 20178972 is 2 × 2 × 99 × 50957.
Since it has a total of 4 prime factors.
8 , 5 , 60 , 35 , 273 , 420 , 4761 , 1471 , 83153 , 72565 , 200382 , 110195 , 78055 , 2539606 , 85868168 , 18822815 , 559429936 , 153606543 , 3583567417 , 7842722339
n×2
40357944
n×3
60536916
n×4
80715888
n×5
100894860
n÷2
10089486
n÷3
6726324
n÷3
5044743
n÷5
4035794.4
n2
407190910976784
n3
8.216693991255E+21
n4
1.658044379821E+29
n5
3.3457631115166E+36
2 √n
4492.1010674294
3 √n
272.24903302659
4 √n
67.023138298869
5 √n
28.905454837592
1 , 2 , 4 , 99 , 198 , 396 , 50957 , 101914 , 203828 , 5044743 , 10089486 , 20178972
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
-20178971
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 20178972 can be divided by 12 positive divisors.
The sum of these divisors (counting 20178972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100111110100000011100
3
Ternary
1101222012100100
4
Quaternary
1030332200130
5
Quinary
20131211342
6
Senary
2000301100
8
Octal
114764034
10
Decimal
20178972
12
Duodecimal
6911790
16
Hexadecimal
133e81c
20
Vigesimal
66278c
36
Base36
c0i70
md5
8431471f4b065ef37917459e0ae4fd63
sha1
51befa1c56dd21f16992ce1db14d7d088a2c59e7
sha256
5797dfcdd97a13df5a654c2b8e04c45cad7a1d03b557ea0970b9ac30dd28566a
sha512
a2c5c4ee80be7dd0774468cb399681dc245a059cabe0dfcc23627e307ef1fb1914e022f20094d10c8e6e0fa6209a0333bd0e65fe1c7918ea3f53fd88cf4bbf42
ripemd-160
b9df8bed41865198da815cae5fead55c4ad75f89
Diameter
40357944
Circumference
126788220.38439
Area
1.2792279745332E+15
Volume
3.4418007306296E+22
Surface area
5.1169118981328E+15
Circumference
126788220.38439
Perimeter
80715888
Area
407190910976784
Diagonal
28537375.877147
Surface area
2443145465860704
Volume
8.216693991255E+21
Space diagonal
34951004.74851
Perimeter
60536916
Area
1.7631883654801E+14
Altitude
17475502.374255
Surface area
1.7631883654801E+14
Volume
9.6834667335853E+20
Height
9512458.6257156