20656641 is an odd 8-digits composite number following 20656640
and preceding 20656642 . In scientific notation, it is written as 2.0656641 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 13160784 positive integers (up to 20656641) that are relatively prime to 20656641.
20656641 has 16 divisors, whose sum is 28790784
The reverse of 20656641 is 14665602
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million six hundred fifty-six thousand six hundred forty-one
Scientific notation
2.0656641 × 10^7
Engineering notation
2.0656641 × 10^6
Prime Factorization
3 × 47 × 43 × 3407
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20656641
Product of the distinct prime numbers
The prime factorization of 20656641 is 3 × 47 × 43 × 3407.
Since it has a total of 4 prime factors.
9 , 6 , 12 , 60 , 771 , 631 , 2467 , 2316 , 31384 , 86865 , 992588 , 187542 , 7986505 , 5667075 , 17213975 , 55750470 , 884726811 , 529636862 , 2281830471 , 4706918639
n×2
41313282
n×3
61969923
n×4
82626564
n×5
103283205
n÷2
10328320.5
n÷3
6885547
n÷3
5164160.25
n÷5
4131328.2
n2
426696817402881
n3
8.8141229729339E+21
n4
1.8207017398175E+29
n5
3.7609582207485E+36
2 √n
4544.9577555793
3 √n
274.38049416236
4 √n
67.41630185333
5 √n
29.041024978788
1 , 3 , 43 , 47 , 129 , 141 , 2021 , 3407 , 6063 , 10221 , 146501 , 160129 , 439503 , 480387 , 6885547 , 20656641
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
-20656640
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 20656641 can be divided by 16 positive divisors.
The sum of these divisors (counting 20656641) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110110011001000000001
3
Ternary
1102212110120210
4
Quaternary
1032303020001
5
Quinary
20242003031
6
Senary
2014424333
8
Octal
116631001
10
Decimal
20656641
12
Duodecimal
6b020a9
16
Hexadecimal
13b3201
20
Vigesimal
6921c1
36
Base36
caqrl
md5
b8feecaf42f4de35c3ed6910b4ae2a7a
sha1
22e6525244756fbcf520503559cbf00205387dd9
sha256
f791bcc03c97ea3381372cc47a86880ec21e1e8e0861c4a8fc27bd613f7e6e1e
sha512
f0b719e3df484cf658a450687a4928311fd09c7c4a2785c8c631b1583ff077b4c2366f2f4762a8fbc71b48af106fcf2169f18dc4200cd73eaacb6d801e96efec
ripemd-160
8205576edcc43003e691f9ba58cf1bae74c1aac4
Diameter
41313282
Circumference
129789503.22688
Area
1.340507586863E+15
Volume
3.6920511972808E+22
Surface area
5.3620303474521E+15
Circumference
129789503.22688
Perimeter
82626564
Area
426696817402881
Diagonal
29212901.855272
Surface area
2560180904417286
Volume
8.8141229729339E+21
Space diagonal
35778351.72571
Perimeter
61969923
Area
1.8476514179243E+14
Altitude
17889175.862855
Surface area
1.8476514179243E+14
Volume
1.0387543540623E+21
Height
9737633.9517574