20188938 is an even 8-digits composite number following 20188937
and preceding 20188939 . In scientific notation, it is written as 2.0188938 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 5174400 positive integers (up to 20188938) that are relatively prime to 20188938.
20188938 has 32 divisors, whose sum is 35069760
The reverse of 20188938 is 83988102
Previous prime number is 89
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million one hundred eighty-eight thousand nine hundred thirty-eight
Scientific notation
2.0188938 × 10^7
Engineering notation
2.0188938 × 10^6
Prime Factorization
2 × 21 × 11 × 89 × 491
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20188938
Product of the distinct prime numbers
The prime factorization of 20188938 is 2 × 21 × 11 × 89 × 491.
Since it has a total of 5 prime factors.
2 , 4 , 56 , 44 , 186 , 91 , 5289 , 5609 , 14246 , 61301 , 824006 , 434798 , 3620620 , 7225186 , 2494718 , 55079952 , 798436066 , 957807810 , 5410607309 , 3355924264
n×2
40377876
n×3
60566814
n×4
80755752
n×5
100944690
n÷2
10094469
n÷3
6729646
n÷3
5047234.5
n÷5
4037787.6
n2
407593217567844
n3
8.2288741986977E+21
n4
1.6613223100731E+29
n5
3.3540333116082E+36
2 √n
4493.2102109739
3 √n
272.2938451428
4 √n
67.031412121287
5 √n
28.908309441588
1 , 2 , 11 , 21 , 22 , 42 , 89 , 178 , 231 , 462 , 491 , 979 , 982 , 1869 , 1958 , 3738 , 5401 , 10311 , 10802 , 20559 , 20622 , 41118 , 43699 , 87398 , 113421 , 226842 , 480689 , 917679 , 961378 , 1835358 , 10094469 , 20188938
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20188937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20188938 can be divided by 32 positive divisors.
The sum of these divisors (counting 20188938) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101000000111100001010
3
Ternary
1101222201000110
4
Quaternary
1031000330022
5
Quinary
20132021223
6
Senary
2000415150
8
Octal
115007412
10
Decimal
20188938
12
Duodecimal
69174b6
16
Hexadecimal
1340f0a
20
Vigesimal
663c6i
36
Base36
c0pvu
md5
9b4b58d0022013e9488c90d957d24797
sha1
55828d7baf8424255951bc85fb15134464d5f0ef
sha256
1c7b467adbc9da66228e8d09091088e3e471ff560bdc4cfe5c16d31c2befcfa5
sha512
42265a79f639f46c4a03ab2c5b3d902c04b607dbb6f1b26f1a53bbb07bc1b1cf94d160285d0aaabf6ab736136163d0c52a69e8de57f7269c2bbc103539d9a371
ripemd-160
51b17191f70ce3b319ddff4e1c985a88096e99e5
Diameter
40377876
Circumference
126850838.60916
Area
1.2804918579642E+15
Volume
3.4469027639924E+22
Surface area
5.1219674318567E+15
Circumference
126850838.60916
Perimeter
80755752
Area
407593217567844
Diagonal
28551469.92951
Surface area
2445559305407064
Volume
8.2288741986977E+21
Space diagonal
34968266.366858
Perimeter
60566814
Area
1.76493040412E+14
Altitude
17484133.183429
Surface area
1.76493040412E+14
Volume
9.697821245717E+20
Height
9517156.6431699