20643695 is an odd 8-digits composite number following 20643694
and preceding 20643696 . In scientific notation, it is written as 2.0643695 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 15543424 positive integers (up to 20643695) that are relatively prime to 20643695.
20643695 has 8 divisors, whose sum is 26229744
The reverse of 20643695 is 59634602
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million six hundred forty-three thousand six hundred ninety-five
Scientific notation
2.0643695 × 10^7
Engineering notation
2.0643695 × 10^6
Prime Factorization
5 × 17 × 242867
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20643695
Product of the distinct prime numbers
The prime factorization of 20643695 is 5 × 17 × 242867.
Since it has a total of 3 prime factors.
2 , 8 , 88 , 29 , 45 , 422 , 111 , 7020 , 12430 , 998 , 808520 , 189532 , 6184262 , 8409527 , 96340548 , 15583520 , 326491968 , 772497705 , 1560874668 , 9160038923
n×2
41287390
n×3
61931085
n×4
82574780
n×5
103218475
n÷2
10321847.5
n÷3
6881231.6666667
n÷3
5160923.75
n÷5
4128739
n2
426162143253025
n3
8.7975613058618E+21
n4
1.8161417234201E+29
n5
3.7491875815059E+36
2 √n
4543.5333167041
3 √n
274.32316195939
4 √n
67.405736526679
5 √n
29.037383927997
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
-20643694
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 20643695 can be divided by 8 positive divisors.
The sum of these divisors (counting 20643695) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110101111111101101111
3
Ternary
1102211210211022
4
Quaternary
1032233331233
5
Quinary
20241044240
6
Senary
2014244355
8
Octal
116577557
10
Decimal
20643695
12
Duodecimal
6ab66bb
16
Hexadecimal
13aff6f
20
Vigesimal
69094f
36
Base36
cagrz
md5
37d61f40f5781903f476e716c888125d
sha1
a9ed18d1bad8a024c393451f701348fbd65e007c
sha256
fe4c41019bbef5aa646faf074bb6d98df4a20134600ea55c62f13a013d28b058
sha512
5bbd0178c07d9271064b358eada07fab9a4f317598f07e593934fab04e9e85bd4f639d110e922092db768659d710ff9d756cf43e42fd24e7fb40e2eba241f477
ripemd-160
7495f25bb6f33e2f1ac793072984c648acf12b88
Diameter
41287390
Circumference
129708161.1099
Area
1.3388278584818E+15
Volume
3.6851138624001E+22
Surface area
5.3553114339271E+15
Circumference
129708161.1099
Perimeter
82574780
Area
426162143253025
Diagonal
29194593.446494
Surface area
2556972859518150
Volume
8.7975613058618E+21
Space diagonal
35755928.595956
Perimeter
61931085
Area
1.8453362109417E+14
Altitude
17877964.297978
Surface area
1.8453362109417E+14
Volume
1.0368025428799E+21
Height
9731531.1488312