20155188 is an even 8-digits composite number following 20155187
and preceding 20155189 . In scientific notation, it is written as 2.0155188 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors.
There are 6718392 positive integers (up to 20155188) that are relatively prime to 20155188.
20155188 has 12 divisors, whose sum is 47028800
The reverse of 20155188 is 88155102
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred fifty-five thousand one hundred eighty-eight
Scientific notation
2.0155188 × 10^7
Engineering notation
2.0155188 × 10^6
Prime Factorization
2 × 2 × 3 × 1679599
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10077594
Product of the distinct prime numbers
The prime factorization of 20155188 is 2 × 2 × 3 × 1679599.
Since it has a total of 4 prime factors.
2 , 9 , 5 , 37 , 860 , 813 , 1658 , 8155 , 89251 , 50960 , 978197 , 608037 , 7480967 , 477789 , 71583420 , 91880813 , 550885659 , 664399660 , 7786511008 , 8234520893
n×2
40310376
n×3
60465564
n×4
80620752
n×5
100775940
n÷2
10077594
n÷3
6718396
n÷3
5038797
n÷5
4031037.6
n2
406231603315344
n3
8.1876743363622E+21
n4
1.6502411553215E+29
n5
3.3260920730843E+36
2 √n
4489.4529733588
3 √n
272.14202862185
4 √n
67.003380312927
5 √n
28.898637724304
1 , 2 , 3 , 4 , 6 , 12 , 1679599 , 3359198 , 5038797 , 6718396 , 10077594 , 20155188
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
-20155187
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 20155188 can be divided by 12 positive divisors.
The sum of these divisors (counting 20155188) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100111000101100110100
3
Ternary
1101220222201110
4
Quaternary
1030320230310
5
Quinary
20124431223
6
Senary
1555555020
8
Octal
114705464
10
Decimal
20155188
12
Duodecimal
68bba70
16
Hexadecimal
1338b34
20
Vigesimal
65j7j8
36
Base36
bzzuc
md5
b3e0ffb56a9cc242faa90d86e9674832
sha1
8cd04d10de8d0dfe618547b3d50425773f9aadf2
sha256
18884fad50ef8c078fa2bb26ab993a17b7f19b9da34f32ad519673fb5afbfb75
sha512
01e7871694775de81aef8a852b969203772c076fc9c5feb00ddc871787c6c9e9cb7114966bb7705493703f8fdf9fffbb35061fdb2c30430ccfd4606a3ba4caf7
ripemd-160
ec3d40b3c648579c6ecc025aae4237ffc1a03a69
Diameter
40310376
Circumference
126638781.10504
Area
1.2762142206315E+15
Volume
3.4296450060135E+22
Surface area
5.104856882526E+15
Circumference
126638781.10504
Perimeter
80620752
Area
406231603315344
Diagonal
28503740.221779
Surface area
2437389619892064
Volume
8.1876743363622E+21
Space diagonal
34909809.652103
Perimeter
60465564
Area
1.7590344414559E+14
Altitude
17454904.826051
Surface area
1.7590344414559E+14
Volume
9.6492667423146E+20
Height
9501246.7405932