20668872 is an even 8-digits composite number following 20668871
and preceding 20668873 . In scientific notation, it is written as 2.0668872 × 10^7.
The sum of its digits is 39. It has a total of 6 prime factors and 32 positive divisors.
There are 5557248 positive integers (up to 20668872) that are relatively prime to 20668872.
20668872 has 32 divisors, whose sum is 42993720
The reverse of 20668872 is 27886602
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million six hundred sixty-eight thousand eight hundred seventy-two
Scientific notation
2.0668872 × 10^7
Engineering notation
2.0668872 × 10^6
Prime Factorization
2 × 2 × 2 × 21 × 17 × 7237
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5167218
Product of the distinct prime numbers
The prime factorization of 20668872 is 2 × 2 × 2 × 21 × 17 × 7237.
Since it has a total of 6 prime factors.
1 , 10 , 87 , 22 , 870 , 274 , 2355 , 3797 , 63145 , 97516 , 247004 , 263121 , 7146408 , 4950664 , 15790411 , 81828603 , 182240675 , 379672492 , 4052094965 , 9324771475
n×2
41337744
n×3
62006616
n×4
82675488
n×5
103344360
n÷2
10334436
n÷3
6889624
n÷3
5167218
n÷5
4133774.4
n2
427202269752384
n3
8.8297890316215E+21
n4
1.8250177928159E+29
n5
3.7721059157434E+36
2 √n
4546.3031135198
3 √n
274.43463793915
4 √n
67.426279101844
5 √n
29.044463259767
1 , 2 , 4 , 8 , 17 , 21 , 34 , 42 , 68 , 84 , 136 , 168 , 357 , 714 , 1428 , 2856 , 7237 , 14474 , 28948 , 57896 , 123029 , 151977 , 246058 , 303954 , 492116 , 607908 , 984232 , 1215816 , 2583609 , 5167218 , 10334436 , 20668872
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
-20668871
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 20668872 can be divided by 32 positive divisors.
The sum of these divisors (counting 20668872) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001110110110000111001000
3
Ternary
1102220002100210
4
Quaternary
1032312013020
5
Quinary
20242400442
6
Senary
2015001120
8
Octal
116660710
10
Decimal
20668872
12
Duodecimal
6b091a0
16
Hexadecimal
13b61c8
20
Vigesimal
693c3c
36
Base36
cb07c
md5
a1707c4a34484ef180ff2f0b146c7570
sha1
7e0c0e1b34c8b0cbdfe74350c080a4e0d9fa170e
sha256
035d6446b81eb67bb84bb0440ffdb63f599c629ab5e7b9913b6564b9519ca97c
sha512
73cce73e574a1979c9aeb2a27353d6370b05a78d314a639fe234cf693d33d87cec6a3c8c569a1842832c6894129b2fcd4ec9db998dc324c93404191df2157177
ripemd-160
9d028c5b9730228cf2cac0d11ec046702057c57d
Diameter
41337744
Circumference
129866352.86638
Area
1.342095512251E+15
Volume
3.6986133805986E+22
Surface area
5.3683820490039E+15
Circumference
129866352.86638
Perimeter
82675488
Area
427202269752384
Diagonal
29230199.101354
Surface area
2563213618514304
Volume
8.8297890316215E+21
Space diagonal
35799536.439138
Perimeter
62006616
Area
1.8498400907997E+14
Altitude
17899768.219569
Surface area
1.8498400907997E+14
Volume
1.0406006167844E+21
Height
9743399.7004512