20180128 is an even 8-digits composite number following 20180127
and preceding 20180129 . In scientific notation, it is written as 2.0180128 × 10^7.
The sum of its digits is 22. It has a total of 7 prime factors and 24 positive divisors.
There are 9558720 positive integers (up to 20180128) that are relatively prime to 20180128.
20180128 has 24 divisors, whose sum is 41821920
The reverse of 20180128 is 82108102
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred eighty thousand one hundred twenty-eight
Scientific notation
2.0180128 × 10^7
Engineering notation
2.0180128 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 19 × 33191
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1261258
Product of the distinct prime numbers
The prime factorization of 20180128 is 2 × 2 × 2 × 2 × 2 × 19 × 33191.
Since it has a total of 7 prime factors.
2 , 9 , 12 , 57 , 114 , 944 , 3746 , 4379 , 17270 , 14002 , 458556 , 124481 , 8588699 , 5408274 , 74901279 , 68275911 , 140636317 , 310227954 , 5868507074 , 6787882664
n×2
40360256
n×3
60540384
n×4
80720512
n×5
100900640
n÷2
10090064
n÷3
6726709.3333333
n÷3
5045032
n÷5
4036025.6
n2
407237566096384
n3
8.2181062102335E+21
n4
1.6584243524011E+29
n5
3.3467215709771E+36
2 √n
4492.2297358884
3 √n
272.25423173662
4 √n
67.024098172884
5 √n
28.905786013433
1 , 2 , 4 , 8 , 16 , 19 , 32 , 38 , 76 , 152 , 304 , 608 , 33191 , 66382 , 132764 , 265528 , 531056 , 630629 , 1062112 , 1261258 , 2522516 , 5045032 , 10090064 , 20180128
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
-20180127
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 20180128 can be divided by 24 positive divisors.
The sum of these divisors (counting 20180128) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100111110110010100000
3
Ternary
1101222020221011
4
Quaternary
1030332302200
5
Quinary
20131231003
6
Senary
2000310304
8
Octal
114766240
10
Decimal
20180128
12
Duodecimal
6912394
16
Hexadecimal
133eca0
20
Vigesimal
662a68
36
Base36
c0j34
md5
78714dc0480daaae05b987b62109047c
sha1
904425beeac915d4c8d74be3268c63f2ad00ed89
sha256
7961d0c7a1df9270950a426350475072e9da6ef60e8a20709b7507cf1739ca0c
sha512
805f1423b8a0ad57d0bec776a67122fd5cdf11db475c6a80e5e3c551c1644d420aa2a03825710ff085c030bf70c69eaaa4e3cdf0401ed53bd54654f4da5ba5eb
ripemd-160
410fd6d298be95557ee9abee2ec4abf261ae9dd3
Diameter
40360256
Circumference
126795483.7466
Area
1.2793745459142E+15
Volume
3.442392279532E+22
Surface area
5.1174981836568E+15
Circumference
126795483.7466
Perimeter
80720512
Area
407237566096384
Diagonal
28539010.708025
Surface area
2443425396578304
Volume
8.2181062102335E+21
Space diagonal
34953006.999243
Perimeter
60540384
Area
1.7633903880741E+14
Altitude
17476503.499622
Surface area
1.7633903880741E+14
Volume
9.6851310496123E+20
Height
9513003.5693417