20291388 is an even 8-digits composite number following 20291387
and preceding 20291389 . In scientific notation, it is written as 2.0291388 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors.
There are 6243456 positive integers (up to 20291388) that are relatively prime to 20291388.
20291388 has 24 divisors, whose sum is 50989008
The reverse of 20291388 is 88319202
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million two hundred ninety-one thousand three hundred eighty-eight
Scientific notation
2.0291388 × 10^7
Engineering notation
2.0291388 × 10^6
Prime Factorization
2 × 2 × 3 × 13 × 130073
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10145694
Product of the distinct prime numbers
The prime factorization of 20291388 is 2 × 2 × 3 × 13 × 130073.
Since it has a total of 5 prime factors.
4 , 1 , 73 , 96 , 126 , 981 , 5884 , 9366 , 87879 , 75969 , 474814 , 173550 , 6870174 , 8512263 , 75390457 , 17294417 , 245529480 , 549715917 , 8139560006 , 3292339041
n×2
40582776
n×3
60874164
n×4
81165552
n×5
101456940
n÷2
10145694
n÷3
6763796
n÷3
5072847
n÷5
4058277.6
n2
411740426966544
n3
8.3547847588638E+21
n4
1.6953017919859E+29
n5
3.4400026438282E+36
2 √n
4504.5963193165
3 √n
272.75365882083
4 √n
67.116289522861
5 √n
28.937589465124
1 , 2 , 3 , 4 , 6 , 12 , 13 , 26 , 39 , 52 , 78 , 156 , 130073 , 260146 , 390219 , 520292 , 780438 , 1560876 , 1690949 , 3381898 , 5072847 , 6763796 , 10145694 , 20291388
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
-20291387
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 20291388 can be divided by 24 positive divisors.
The sum of these divisors (counting 20291388) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101011001111100111100
3
Ternary
1102011220112220
4
Quaternary
1031121330330
5
Quinary
20143311023
6
Senary
2002525340
8
Octal
115317474
10
Decimal
20291388
12
Duodecimal
6966850
16
Hexadecimal
1359f3c
20
Vigesimal
66g898
36
Base36
c2wxo
md5
75620818276bfaed5f28f03752704d67
sha1
52c0520f1e9751659c6ce7ac696444fcd73bcd01
sha256
9ad30187a614cb03720e585f0e807a71bd8c5cd1e89ee0ec89634b4097bcdbf6
sha512
2f45c3ea1d0e1ecbf493b37eeecea2586784a39414b22316b84b1eb60ce2e0f18c726bfd3a58c0a11cde967e54b1c0e24055648b6bf15c7c6b870e30a3f480e5
ripemd-160
021d1835ee0081e7291643b48034f3a33d537c6a
Diameter
40582776
Circumference
127494550.94388
Area
1.293520700544E+15
Volume
3.4996440561027E+22
Surface area
5.1740828021761E+15
Circumference
127494550.94388
Perimeter
81165552
Area
411740426966544
Diagonal
28696356.108975
Surface area
2470442561799264
Volume
8.3547847588638E+21
Space diagonal
35145714.972093
Perimeter
60874164
Area
1.7828883475904E+14
Altitude
17572857.486047
Surface area
1.7828883475904E+14
Volume
9.846208263911E+20
Height
9565452.0363249