20155189 is an odd 8-digits composite number following 20155188
and preceding 20155190 . In scientific notation, it is written as 2.0155189 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 20026656 positive integers (up to 20155189) that are relatively prime to 20155189.
20155189 has 4 divisors, whose sum is 20283724
The reverse of 20155189 is 98155102
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred fifty-five thousand one hundred eighty-nine
Scientific notation
2.0155189 × 10^7
Engineering notation
2.0155189 × 10^6
Prime Factorization
157 × 128377
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20155189
Product of the distinct prime numbers
The prime factorization of 20155189 is 157 × 128377.
Since it has a total of 2 prime factors.
4 , 5 , 56 , 16 , 227 , 593 , 1653 , 5382 , 71949 , 2480 , 30052 , 472397 , 5206731 , 169222 , 55399032 , 42205438 , 642932522 , 717623789 , 2120538827 , 3098958316
n×2
40310378
n×3
60465567
n×4
80620756
n×5
100775945
n÷2
10077594.5
n÷3
6718396.3333333
n÷3
5038797.25
n÷5
4031037.8
n2
406231643625721
n3
8.1876755550571E+21
n4
1.6502414828285E+29
n5
3.326092898205E+36
2 √n
4489.4530847309
3 √n
272.14203312263
4 √n
67.003381144021
5 √n
28.898638011065
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20155188
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20155189 can be divided by 4 positive divisors.
The sum of these divisors (counting 20155189) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111000101100110101
3
Ternary
1101220222201111
4
Quaternary
1030320230311
5
Quinary
20124431224
6
Senary
1555555021
8
Octal
114705465
10
Decimal
20155189
12
Duodecimal
68bba71
16
Hexadecimal
1338b35
20
Vigesimal
65j7j9
36
Base36
bzzud
md5
4421260b90ae1366ceaa06492e6983a5
sha1
24aee170a1f0131ea60563f1e3b9d63e1291a684
sha256
f41adc95701d0ea85d9703567eef08ac155cdbba7d89b026b5b934578ea1022a
sha512
e2afe11f6823beecf0e6466ecc0a993b11ec3b22705391a230e399dba74667c08f13778cdba17cc73f4d83e8cde1a8d9520ed14d27632a227b27dce69bb5e16f
ripemd-160
81a4e3472e075c18ec26377a55410804d3436caa
Diameter
40310378
Circumference
126638787.38823
Area
1.2762143472703E+15
Volume
3.4296455164992E+22
Surface area
5.1048573890811E+15
Circumference
126638787.38823
Perimeter
80620756
Area
406231643625721
Diagonal
28503741.635993
Surface area
2437389861754326
Volume
8.1876755550571E+21
Space diagonal
34909811.384153
Perimeter
60465567
Area
1.7590346160049E+14
Altitude
17454905.692077
Surface area
1.7590346160049E+14
Volume
9.6492681785603E+20
Height
9501247.2119977