20921186 is an even 8-digits composite number following 20921185
and preceding 20921187 . In scientific notation, it is written as 2.0921186 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 32 positive divisors.
There are 8236800 positive integers (up to 20921186) that are relatively prime to 20921186.
20921186 has 32 divisors, whose sum is 36573120
The reverse of 20921186 is 68112902
Previous prime number is 169
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million nine hundred twenty-one thousand one hundred eighty-six
Scientific notation
2.0921186 × 10^7
Engineering notation
2.0921186 × 10^6
Prime Factorization
2 × 17 × 11 × 169 × 331
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20921186
Product of the distinct prime numbers
The prime factorization of 20921186 is 2 × 17 × 11 × 169 × 331.
Since it has a total of 5 prime factors.
7 , 5 , 84 , 27 , 47 , 67 , 9762 , 9478 , 25125 , 4770 , 86212 , 206416 , 7153346 , 8606720 , 66622458 , 34436591 , 545489799 , 439856055 , 2999293646 , 4403299515
n×2
41842372
n×3
62763558
n×4
83684744
n×5
104605930
n÷2
10460593
n÷3
6973728.6666667
n÷3
5230296.5
n÷5
4184237.2
n2
437696023646596
n3
9.1571199221708E+21
n4
1.9157780911604E+29
n5
4.0080349779892E+36
2 √n
4573.9682989719
3 √n
275.546839159
4 √n
67.63111930888
5 √n
29.115031218688
1 , 2 , 11 , 17 , 22 , 34 , 169 , 187 , 331 , 338 , 374 , 662 , 1859 , 2873 , 3641 , 3718 , 5627 , 5746 , 7282 , 11254 , 31603 , 55939 , 61897 , 63206 , 111878 , 123794 , 615329 , 950963 , 1230658 , 1901926 , 10460593 , 20921186
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
-20921185
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 20921186 can be divided by 32 positive divisors.
The sum of these divisors (counting 20921186) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111110011101101100010
3
Ternary
1110100220110202
4
Quaternary
1033303231202
5
Quinary
20323434221
6
Senary
2024225202
8
Octal
117635542
10
Decimal
20921186
12
Duodecimal
700b202
16
Hexadecimal
13f3b62
20
Vigesimal
6af2j6
36
Base36
cgew2
md5
8e56c61f1336a0ffd653275b79959936
sha1
bbf0647bbe89cb10ba25b5cb2aa90a585d05f88b
sha256
dc13549c330af9eca98dbe20ad2de162068635977ed7566cfce808edec9cf727
sha512
d3322c06bba8228add402024439cce241f6b3b2abfe86383a692ced5ad34d1e612a68a02702bf9e3f8faaefebd0825e51108be49848569120c40a057c3275433
ripemd-160
e268f59480d803069c3ff787d6e5dbf26ef3cd94
Diameter
41842372
Circumference
131451688.48397
Area
1.3750626123936E+15
Volume
3.8357254234044E+22
Surface area
5.5002504495744E+15
Circumference
131451688.48397
Perimeter
83684744
Area
437696023646596
Diagonal
29587024.98213
Surface area
2626176141879576
Volume
9.1571199221708E+21
Space diagonal
36236557.106599
Perimeter
62763558
Area
1.8952793780669E+14
Altitude
18118278.553299
Surface area
1.8952793780669E+14
Volume
1.0791769321842E+21
Height
9862341.66071