20181532 is an even 8-digits composite number following 20181531
and preceding 20181533 . In scientific notation, it is written as 2.0181532 × 10^7.
The sum of its digits is 22. It has a total of 5 prime factors and 18 positive divisors.
There are 8649144 positive integers (up to 20181532) that are relatively prime to 20181532.
20181532 has 18 divisors, whose sum is 41084232
The reverse of 20181532 is 23518102
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred eighty-one thousand five hundred thirty-two
Scientific notation
2.0181532 × 10^7
Engineering notation
2.0181532 × 10^6
Prime Factorization
2 × 2 × 7 × 7 × 102967
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1441538
Product of the distinct prime numbers
The prime factorization of 20181532 is 2 × 2 × 7 × 7 × 102967.
Since it has a total of 5 prime factors.
7 , 3 , 40 , 44 , 465 , 541 , 6806 , 376 , 74095 , 33288 , 979386 , 743863 , 8547039 , 6688718 , 93219452 , 4997895 , 262504000 , 17707309 , 8545226334 , 7046719447
n×2
40363064
n×3
60544596
n×4
80726128
n×5
100907660
n÷2
10090766
n÷3
6727177.3333333
n÷3
5045383
n÷5
4036306.4
n2
407294233867024
n3
8.2198216142028E+21
n4
1.6588859294133E+29
n5
3.3478859468803E+36
2 √n
4492.3860030055
3 √n
272.26054547386
4 √n
67.025263915971
5 √n
28.906188216969
1 , 2 , 4 , 7 , 14 , 28 , 49 , 98 , 196 , 102967 , 205934 , 411868 , 720769 , 1441538 , 2883076 , 5045383 , 10090766 , 20181532
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20181531
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20181532 can be divided by 18 positive divisors.
The sum of these divisors (counting 20181532) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1001100111111001000011100
3
Ternary
1101222022212011
4
Quaternary
1030333020130
5
Quinary
20131302112
6
Senary
2000321004
8
Octal
114771034
10
Decimal
20181532
12
Duodecimal
6913164
16
Hexadecimal
133f21c
20
Vigesimal
662dgc
36
Base36
c0k64
md5
3e38406ff294a0df30c8495627c0fe64
sha1
755ba6b15ec24d960007704975bc3cd89c1cc3b9
sha256
6aa0e1de40780cf8209d444f57d332870cc6dc5e77b07ccfae30247eb7ca45ad
sha512
0f471b20f0c7788a5895453e7b9c7ea6559e447f5312f48895a8c57ff6a7642bc3a2822198514207d93b0fd75d4264244a14390946baf8ff9008b57d7a9f8fe7
ripemd-160
3bbab70214be9c6b5d919f442d0b9bb9a25181d7
Diameter
40363064
Circumference
126804305.33877
Area
1.2795525729661E+15
Volume
3.4431108262664E+22
Surface area
5.1182102918645E+15
Circumference
126804305.33877
Perimeter
80726128
Area
407294233867024
Diagonal
28540996.263867
Surface area
2443765403202144
Volume
8.2198216142028E+21
Space diagonal
34955438.798577
Perimeter
60544596
Area
1.7636357667188E+14
Altitude
17477719.399289
Surface area
1.7636357667188E+14
Volume
9.6871526725776E+20
Height
9513665.4212889