20180530 is an even 8-digits composite number following 20180529
and preceding 20180531 . In scientific notation, it is written as 2.0180530 × 10^7.
The sum of its digits is 19. It has a total of 4 prime factors and 16 positive divisors.
There are 7597312 positive integers (up to 20180530) that are relatively prime to 20180530.
20180530 has 16 divisors, whose sum is 38462040
The reverse of 20180530 is 03508102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million one hundred eighty thousand five hundred thirty
Scientific notation
2.0180530 × 10^7
Engineering notation
2.0180530 × 10^6
Prime Factorization
2 × 17 × 5 × 118709
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20180530
Product of the distinct prime numbers
The prime factorization of 20180530 is 2 × 17 × 5 × 118709.
Since it has a total of 4 prime factors.
3 , 4 , 59 , 79 , 440 , 340 , 5531 , 5719 , 36943 , 216 , 114796 , 204589 , 6421634 , 8630194 , 57536007 , 94261094 , 142046665 , 864165590 , 7285664673 , 5477012992
n×2
40361060
n×3
60541590
n×4
80722120
n×5
100902650
n÷2
10090265
n÷3
6726843.3333333
n÷3
5045132.5
n÷5
4036106
n2
407253791080900
n3
8.2185973485218E+21
n4
1.6585565034977E+29
n5
3.3470549275529E+36
2 √n
4492.2744795927
3 √n
272.25603954601
4 √n
67.024431960239
5 √n
28.905901176561
1 , 2 , 5 , 10 , 17 , 34 , 85 , 170 , 118709 , 237418 , 593545 , 1187090 , 2018053 , 4036106 , 10090265 , 20180530
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
-20180529
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 20180530 can be divided by 16 positive divisors.
The sum of these divisors (counting 20180530) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111110111000110010
3
Ternary
1101222021111001
4
Quaternary
1030332320302
5
Quinary
20131234110
6
Senary
2000312214
8
Octal
114767062
10
Decimal
20180530
12
Duodecimal
691266a
16
Hexadecimal
133ee32
20
Vigesimal
662b6a
36
Base36
c0jea
md5
716ab43bceae641071cc9e340e9a0748
sha1
a05d964b7d0f132100a6f510b140d2ac87b49e39
sha256
29c2cd846257c2d22a74f6bb37b513d145dcab08b1259c57e7445a78a2f7fcb1
sha512
b34abe4cb1d498d06b45eb939a54cd1d4345993f474d263ad3e54d88cdff8e68b564731429258dde8de590051d50e2f8164a580669f7f3ef85633f4853021d21
ripemd-160
0515ed8d727dbdd1ee88fca24e9f76f2568deaf6
Diameter
40361060
Circumference
126798009.5871
Area
1.2794255182063E+15
Volume
3.4425980070572E+22
Surface area
5.1177020728254E+15
Circumference
126798009.5871
Perimeter
80722120
Area
407253791080900
Diagonal
28539579.221877
Surface area
2443522746485400
Volume
8.2185973485218E+21
Space diagonal
34953703.283668
Perimeter
60541590
Area
1.7634606443179E+14
Altitude
17476851.641834
Surface area
1.7634606443179E+14
Volume
9.6857098616359E+20
Height
9513193.073959