20189505 is an odd 8-digits composite number following 20189504
and preceding 20189506 . In scientific notation, it is written as 2.0189505 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 9070272 positive integers (up to 20189505) that are relatively prime to 20189505.
20189505 has 16 divisors, whose sum is 25036800
The reverse of 20189505 is 50598102
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred eighty-nine thousand five hundred five
Scientific notation
2.0189505 × 10^7
Engineering notation
2.0189505 × 10^6
Prime Factorization
15 × 7 × 59 × 3259
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20189505
Product of the distinct prime numbers
The prime factorization of 20189505 is 15 × 7 × 59 × 3259.
Since it has a total of 4 prime factors.
3 , 8 , 52 , 51 , 648 , 600 , 4621 , 7131 , 73315 , 22277 , 899125 , 654465 , 1147322 , 3488683 , 6202106 , 3853421 , 849233431 , 641694336 , 4203581811 , 7256745770
n×2
40379010
n×3
60568515
n×4
80758020
n×5
100947525
n÷2
10094752.5
n÷3
6729835
n÷3
5047376.25
n÷5
4037901
n2
407616112145025
n3
8.2295675342325E+21
n4
1.6615089488023E+29
n5
3.3545043229388E+36
2 √n
4493.2733057316
3 √n
272.29639421472
4 √n
67.031882755384
5 √n
28.908471815927
1 , 7 , 15 , 59 , 105 , 413 , 885 , 3259 , 6195 , 22813 , 48885 , 192281 , 342195 , 1345967 , 2884215 , 20189505
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20189504
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20189505 can be divided by 16 positive divisors.
The sum of these divisors (counting 20189505) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000001000101000001
3
Ternary
1101222201210110
4
Quaternary
1031001011001
5
Quinary
20132031010
6
Senary
2000421533
8
Octal
115010501
10
Decimal
20189505
12
Duodecimal
69178a9
16
Hexadecimal
1341141
20
Vigesimal
663df5
36
Base36
c0qbl
md5
fb3813655dc2a4d8f9fb95f853d4ac2b
sha1
37d9f4c97ebf9131300014397760cdae4a63c2df
sha256
2c4549c877a6244b387898433c5a12bdba57ad5f5bed55503d638baaf49c8c83
sha512
cb89e15933121d2da66f755be061326f532db859d0ba06a0a350e57cfec532d697e94e06bf147375b58a63e583ca81d06fa97c14bd45187dacf2a9a0b4af5421
ripemd-160
6d4014448ccfe68884c42db574593af31d676c43
Diameter
40379010
Circumference
126854401.17523
Area
1.2805637833996E+15
Volume
3.4471931877021E+22
Surface area
5.1222551335986E+15
Circumference
126854401.17523
Perimeter
80758020
Area
407616112145025
Diagonal
28552271.788599
Surface area
2445696672870150
Volume
8.2295675342325E+21
Space diagonal
34969248.439666
Perimeter
60568515
Area
1.7650295405472E+14
Altitude
17484624.219833
Surface area
1.7650295405472E+14
Volume
9.6986383494808E+20
Height
9517423.9295331