20959989 is an odd 8-digits composite number following 20959988
and preceding 20959990 . In scientific notation, it is written as 2.0959989 × 10^7.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 13935120 positive integers (up to 20959989) that are relatively prime to 20959989.
20959989 has 8 divisors, whose sum is 28023072
The reverse of 20959989 is 98995902
Previous prime number is 373
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
twenty million nine hundred fifty-nine thousand nine hundred eighty-nine
Scientific notation
2.0959989 × 10^7
Engineering notation
2.0959989 × 10^6
Prime Factorization
3 × 373 × 18731
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20959989
Product of the distinct prime numbers
The prime factorization of 20959989 is 3 × 373 × 18731.
Since it has a total of 3 prime factors.
7 , 8 , 40 , 11 , 986 , 423 , 4658 , 1994 , 85632 , 47097 , 636264 , 759655 , 4505496 , 7390655 , 89336212 , 75601118 , 584253722 , 249474010 , 3522416742 , 6716558950
n×2
41919978
n×3
62879967
n×4
83839956
n×5
104799945
n÷2
10479994.5
n÷3
6986663
n÷3
5239997.25
n÷5
4191997.8
n2
439321138880121
n3
9.2081662383948E+21
n4
1.9300306306693E+29
n5
4.0453420788491E+36
2 √n
4578.2080555606
3 √n
275.71708827941
4 √n
67.662456765629
5 √n
29.1258232774
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20959988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20959989 can be divided by 8 positive divisors.
The sum of these divisors (counting 20959989) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111111101001011110101
3
Ternary
1110102212200220
4
Quaternary
1033331023311
5
Quinary
20331204424
6
Senary
2025124553
8
Octal
117751365
10
Decimal
20959989
12
Duodecimal
7029759
16
Hexadecimal
13fd2f5
20
Vigesimal
6ajjj9
36
Base36
ch8tx
md5
a0e6daecff579bd9ebd681186cb585aa
sha1
1a0fce40140389ff21f56d84a1f637d9239cffed
sha256
aee236f647fae33e6555943769ff115d13f49da5f99bd516b3c86cfd3113debb
sha512
58f7730f7da75b83bfcc92a0f42372d084077590d2bfc3721706ea69c1ba4c803faacee771547592652c46ec8c9c1e9a5deede3067509edf6aad145292d77459
ripemd-160
1a4264f1c555a5eb150d56722d21c4b58e983ea6
Diameter
41919978
Circumference
131695494.92345
Area
1.3801680624725E+15
Volume
3.8571076543433E+22
Surface area
5.52067224989E+15
Circumference
131695494.92345
Perimeter
83839956
Area
439321138880121
Diagonal
29641900.710991
Surface area
2635926833280726
Volume
9.2081662383948E+21
Space diagonal
36303765.874085
Perimeter
62879967
Area
1.9023163334485E+14
Altitude
18151882.937042
Surface area
1.9023163334485E+14
Volume
1.0851927982437E+21
Height
9880633.5703303