20147021 is an odd 8-digits prime number following 20147020
and preceding 20147022 . In scientific notation, it is written as 2.0147021 × 10^7.
The sum of its digits is 17. It has a total of 1 prime factors and 2 positive divisors.
There are 20147020 positive integers (up to 20147021) that are relatively prime to 20147021.
20147021 has 2 divisors, whose sum is 20147022
The reverse of 20147021 is 12074102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million one hundred forty-seven thousand twenty-one
Scientific notation
2.0147021 × 10^7
Engineering notation
2.0147021 × 10^6
Prime Factorization
20147021
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20147021
Product of the distinct prime numbers
The prime factorization of 20147021 is 20147021.
Since it has a total of 1 prime factors.
1 , 8 , 92 , 92 , 550 , 854 , 8137 , 6231 , 39570 , 22887 , 789033 , 758266 , 9937098 , 7964165 , 51574730 , 20386834 , 127977540 , 129536823 , 1807552758 , 1111383820
n×2
40294042
n×3
60441063
n×4
80588084
n×5
100735105
n÷2
10073510.5
n÷3
6715673.6666667
n÷3
5036755.25
n÷5
4029404.2
n2
405902455174441
n3
8.177725288351E+21
n4
1.6475680311664E+29
n5
3.3193587722838E+36
2 √n
4488.5433049042
3 √n
272.10526580894
4 √n
66.996591740955
5 √n
28.89629536523
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20147022
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10073511
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4488.5434162989
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999007297
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20147021 can be divided by 2 positive divisors.
The sum of these divisors (counting 20147021) is 20147022, the average is 10073511.
Base
System
Value
2
Binary
1001100110110101101001101
3
Ternary
1101220120111222
4
Quaternary
1030312231031
5
Quinary
20124201041
6
Senary
1555453125
8
Octal
114665515
10
Decimal
20147021
12
Duodecimal
68b71a5
16
Hexadecimal
1336b4d
20
Vigesimal
65i7b1
36
Base36
bztjh
md5
1ae938ff2a69ce1b89937e5801ccde3a
sha1
a2c21fb3b8469cbe0096fc4d1811068ca7ecb0af
sha256
eecc08e6958c76f4aa1a27e57420890292a58644a9bea03b879eb5c82e60988e
sha512
de8095c7be6fe7a66bc27b7335835abbf676526237c0730c3f97efd53e8e00c8c9ae4d8dcdeb4251c8f95f32d00dc1f9fe2001f3257b9a8adace9e9ee69dab3d
ripemd-160
8ab573c1c9280e9f890be85b13b98bd3c6fd7833
Diameter
40294042
Circumference
126587466.33064
Area
1.2751801712501E+15
Volume
3.4254775585279E+22
Surface area
5.1007206850003E+15
Circumference
126587466.33064
Perimeter
80588084
Area
405902455174441
Diagonal
28492190.339616
Surface area
2435414731046646
Volume
8.177725288351E+21
Space diagonal
34895663.993157
Perimeter
60441063
Area
1.7576091881977E+14
Altitude
17447831.996579
Surface area
1.7576091881977E+14
Volume
9.6375416767895E+20
Height
9497396.7798719