20045646 is an even 8-digits composite number following 20045645
and preceding 20045647 . In scientific notation, it is written as 2.0045646 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 6330096 positive integers (up to 20045646) that are relatively prime to 20045646.
20045646 has 16 divisors, whose sum is 35168400
The reverse of 20045646 is 64654002
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million forty-five thousand six hundred forty-six
Scientific notation
2.0045646 × 10^7
Engineering notation
2.0045646 × 10^6
Prime Factorization
2 × 9 × 19 × 58613
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20045646
Product of the distinct prime numbers
The prime factorization of 20045646 is 2 × 9 × 19 × 58613.
Since it has a total of 4 prime factors.
10 , 9 , 71 , 15 , 571 , 966 , 552 , 8640 , 3036 , 81498 , 73670 , 578954 , 5748899 , 7628559 , 11196548 , 8410475 , 679746723 , 281458967 , 7950955934 , 1179484661
n×2
40091292
n×3
60136938
n×4
80182584
n×5
100228230
n÷2
10022823
n÷3
6681882
n÷3
5011411.5
n÷5
4009129.2
n2
401827923557316
n3
8.054900308545E+21
n4
1.6146568015038E+29
n5
3.2366838654438E+36
2 √n
4477.2364244029
3 √n
271.64810860135
4 √n
66.912154534157
5 √n
28.867156806772
1 , 2 , 9 , 18 , 19 , 38 , 171 , 342 , 58613 , 117226 , 527517 , 1055034 , 1113647 , 2227294 , 10022823 , 20045646
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
-20045645
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 20045646 can be divided by 16 positive divisors.
The sum of these divisors (counting 20045646) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100011101111101001110
3
Ternary
1101201102110100
4
Quaternary
1030131331032
5
Quinary
20112430041
6
Senary
1553351530
8
Octal
114357516
10
Decimal
20045646
12
Duodecimal
68685a6
16
Hexadecimal
131df4e
20
Vigesimal
655e26
36
Base36
bxnbi
md5
9fd4d38893701c4f9fc8b3cf9f2ea790
sha1
92344adae7d6dce5ad501fe6a2a82353c887f973
sha256
8a73080fabf242c3da42c117ea295b60aedafd14d7a31b78c4c63a5e8c19f843
sha512
ac786072ae9572fc1411c5bfffda0f2d5b5aedca04d2278c2fe807e04379ab6637f096242321a20105fdff9977fd07075fe16f1814bc8df770ab26144f809445
ripemd-160
b15628ea6b1454075ec8260bba1ee23a68989368
Diameter
40091292
Circumference
125950508.42012
Area
1.2623796526549E+15
Volume
3.3740287512964E+22
Surface area
5.0495186106196E+15
Circumference
125950508.42012
Perimeter
80182584
Area
401827923557316
Diagonal
28348824.43973
Surface area
2410967541343896
Volume
8.054900308545E+21
Space diagonal
34720077.34254
Perimeter
60136938
Area
1.7399659487529E+14
Altitude
17360038.67127
Surface area
1.7399659487529E+14
Volume
9.492791049923E+20
Height
9449608.1465767