20446780 is an even 8-digits composite number following 20446779
and preceding 20446781 . In scientific notation, it is written as 2.0446780 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 8074560 positive integers (up to 20446780) that are relatively prime to 20446780.
20446780 has 12 divisors, whose sum is 35875224
The reverse of 20446780 is 08764402
Previous prime number is 395
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million four hundred forty-six thousand seven hundred eighty
Scientific notation
2.0446780 × 10^7
Engineering notation
2.0446780 × 10^6
Prime Factorization
2 × 2 × 395 × 12941
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10223390
Product of the distinct prime numbers
The prime factorization of 20446780 is 2 × 2 × 395 × 12941.
Since it has a total of 4 prime factors.
5 , 1 , 32 , 13 , 961 , 911 , 4558 , 3962 , 39097 , 72459 , 470541 , 620777 , 1525763 , 4789621 , 63083380 , 852170 , 385679868 , 516023081 , 3116056058 , 7262772397
n×2
40893560
n×3
61340340
n×4
81787120
n×5
102233900
n÷2
10223390
n÷3
6815593.3333333
n÷3
5111695
n÷5
4089356
n2
418070812368400
n3
8.548201924918E+21
n4
1.7478320415437E+29
n5
3.5737537230396E+36
2 √n
4521.8115838677
3 √n
273.4481406798
4 √n
67.244416748662
5 √n
28.981775290233
1 , 2 , 4 , 395 , 790 , 1580 , 12941 , 25882 , 51764 , 5111695 , 10223390 , 20446780
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20446779
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20446780 can be divided by 12 positive divisors.
The sum of these divisors (counting 20446780) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101111111111000111100
3
Ternary
1102110210201011
4
Quaternary
1031333320330
5
Quinary
20213244110
6
Senary
2010125004
8
Octal
115777074
10
Decimal
20446780
12
Duodecimal
6a20764
16
Hexadecimal
137fe3c
20
Vigesimal
67fgj0
36
Base36
c68u4
md5
b4a7712626ddc33d6cdf5c724c084c9b
sha1
df538651a1182f128b73d5c7f41a891172e1a024
sha256
e7a941b6e2a6aeb7b8f3d62c7c3e4327fb81469a79267af408b8779427fcd236
sha512
e1b72cd93d5cc280980462a694a3c7f02a1e2473b7132815d6ec2c52e40e0007b535385719ca46820461f23efe7fedb2a5810a7dfc306005a718f68c50a58333
ripemd-160
97e8a40a82744690ff43ecdb56cccede6727b824
Diameter
40893560
Circumference
128470907.67513
Area
1.3134081928169E+15
Volume
3.5806624491632E+22
Surface area
5.2536327712675E+15
Circumference
128470907.67513
Perimeter
81787120
Area
418070812368400
Diagonal
28916113.582859
Surface area
2508424874210400
Volume
8.548201924918E+21
Space diagonal
35414861.811183
Perimeter
61340340
Area
1.8102997204592E+14
Altitude
17707430.905592
Surface area
1.8102997204592E+14
Volume
1.0074152580102E+21
Height
9638704.5276197