20643669 is an odd 8-digits composite number following 20643668
and preceding 20643670 . In scientific notation, it is written as 2.0643669 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 13095648 positive integers (up to 20643669) that are relatively prime to 20643669.
20643669 has 16 divisors, whose sum is 24076800
The reverse of 20643669 is 96634602
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million six hundred forty-three thousand six hundred sixty-nine
Scientific notation
2.0643669 × 10^7
Engineering notation
2.0643669 × 10^6
Prime Factorization
9 × 47 × 37 × 1319
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20643669
Product of the distinct prime numbers
The prime factorization of 20643669 is 9 × 47 × 37 × 1319.
Since it has a total of 4 prime factors.
7 , 10 , 98 , 59 , 760 , 989 , 5480 , 4647 , 93689 , 69146 , 130334 , 973884 , 6464389 , 7879803 , 40897119 , 15666679 , 730192741 , 984390730 , 9603591004 , 6827171162
n×2
41287338
n×3
61931007
n×4
82574676
n×5
103218345
n÷2
10321834.5
n÷3
6881223
n÷3
5160917.25
n÷5
4128733.8
n2
426161069781561
n3
8.7975280652564E+21
n4
1.8161325739736E+29
n5
3.749163971723E+36
2 √n
4543.5304554938
3 √n
274.32304679258
4 √n
67.405715302887
5 √n
29.037376613683
1 , 9 , 37 , 47 , 333 , 423 , 1319 , 1739 , 11871 , 15651 , 48803 , 61993 , 439227 , 557937 , 2293741 , 20643669
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20643668
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20643669 can be divided by 16 positive divisors.
The sum of these divisors (counting 20643669) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110101111111101010101
3
Ternary
1102211210210100
4
Quaternary
1032233331111
5
Quinary
20241044134
6
Senary
2014244313
8
Octal
116577525
10
Decimal
20643669
12
Duodecimal
6ab6699
16
Hexadecimal
13aff55
20
Vigesimal
690939
36
Base36
cagr9
md5
0ef7d0c13e643196a372916623454033
sha1
c2d533006d367a6453e99e0e83d9f80dd66141a5
sha256
6b70a53085e92c1833804b86ea5f44ecbde01d115a1de71fd701f670dc20dc82
sha512
d14206a02d30a7f103032d8efed6ec49e09370b458ea2a0e0bf487f0842bcd16417b4af8a134f78a213ece697e5021509fa88d545b2a69ad8d82582adcb4798b
ripemd-160
96588da6813053ea0b9568236b1fc3ff8fbb402b
Diameter
41287338
Circumference
129707997.74708
Area
1.3388244860717E+15
Volume
3.685099938608E+22
Surface area
5.3552979442869E+15
Circumference
129707997.74708
Perimeter
82574676
Area
426161069781561
Diagonal
29194556.676941
Surface area
2556966418689366
Volume
8.7975280652564E+21
Space diagonal
35755883.562635
Perimeter
61931007
Area
1.8453315626739E+14
Altitude
17877941.781317
Surface area
1.8453315626739E+14
Volume
1.036798625437E+21
Height
9731518.8923137