20145140 is an even 8-digits composite number following 20145139
and preceding 20145141 . In scientific notation, it is written as 2.0145140 × 10^7.
The sum of its digits is 17. It has a total of 5 prime factors and 24 positive divisors.
There are 7604352 positive integers (up to 20145140) that are relatively prime to 20145140.
20145140 has 24 divisors, whose sum is 36301440
The reverse of 20145140 is 04154102
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million one hundred forty-five thousand one hundred forty
Scientific notation
2.0145140 × 10^7
Engineering notation
2.0145140 × 10^6
Prime Factorization
2 × 2 × 145 × 47 × 739
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10072570
Product of the distinct prime numbers
The prime factorization of 20145140 is 2 × 2 × 145 × 47 × 739.
Since it has a total of 5 prime factors.
10 , 10 , 4 , 22 , 164 , 942 , 1770 , 8800 , 58712 , 18323 , 591636 , 375570 , 3498927 , 2166479 , 79359514 , 96634661 , 779265071 , 203800539 , 2203329324 , 4638270894
n×2
40290280
n×3
60435420
n×4
80580560
n×5
100725700
n÷2
10072570
n÷3
6715046.6666667
n÷3
5036285
n÷5
4029028
n2
405826665619600
n3
8.17543499464E+21
n4
1.6469528252792E+29
n5
3.3178095238646E+36
2 √n
4488.3337665552
3 √n
272.09679729583
4 √n
66.995027924132
5 √n
28.89575577219
1 , 2 , 4 , 47 , 94 , 145 , 188 , 290 , 580 , 739 , 1478 , 2956 , 6815 , 13630 , 27260 , 34733 , 69466 , 107155 , 138932 , 214310 , 428620 , 5036285 , 10072570 , 20145140
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
-20145139
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 20145140 can be divided by 24 positive divisors.
The sum of these divisors (counting 20145140) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110110001111110100
3
Ternary
1101220110221022
4
Quaternary
1030312033310
5
Quinary
20124121030
6
Senary
1555440312
8
Octal
114661764
10
Decimal
20145140
12
Duodecimal
68b6098
16
Hexadecimal
13363f4
20
Vigesimal
65i2h0
36
Base36
bzs38
md5
be9b6025fd41cb28a673f434b38e92b2
sha1
a69f4be490a72dfcddec56864138fdfd4b5fcd4b
sha256
a36bbb808971d704112c6908f0f463c0eb265dcca5ce2bf9deab90a374bc3b64
sha512
b80c1ff32355952da4129d48298acd7bf97d92dc4ba7d84565aa73645459a6da88c4c0c393e8e4ea78cb11b8cbaf2fb89699d0f0281aee726c0dcf2f63d1573d
ripemd-160
cd42affab55fdda6ab41476206db6d4c87032f87
Diameter
40290280
Circumference
126575647.65908
Area
1.2749420713414E+15
Volume
3.4245182025416E+22
Surface area
5.0997682853655E+15
Circumference
126575647.65908
Perimeter
80580560
Area
405826665619600
Diagonal
28489530.203905
Surface area
2434959993717600
Volume
8.17543499464E+21
Space diagonal
34892406.005588
Perimeter
60435420
Area
1.7572810097985E+14
Altitude
17446203.002794
Surface area
1.7572810097985E+14
Volume
9.6348425397663E+20
Height
9496510.0679682