20561646 is an even 8-digits composite number following 20561645
and preceding 20561647 . In scientific notation, it is written as 2.0561646 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 5799456 positive integers (up to 20561646) that are relatively prime to 20561646.
20561646 has 32 divisors, whose sum is 47600640
The reverse of 20561646 is 64616502
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million five hundred sixty-one thousand six hundred forty-six
Scientific notation
2.0561646 × 10^7
Engineering notation
2.0561646 × 10^6
Prime Factorization
2 × 3 × 79 × 7 × 6197
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20561646
Product of the distinct prime numbers
The prime factorization of 20561646 is 2 × 3 × 79 × 7 × 6197.
Since it has a total of 5 prime factors.
10 , 9 , 19 , 92 , 983 , 361 , 6384 , 1311 , 87885 , 88225 , 643637 , 683541 , 3605289 , 4944746 , 25262904 , 77039078 , 865770061 , 578344030 , 8424200647 , 3656394901
n×2
41123292
n×3
61684938
n×4
82246584
n×5
102808230
n÷2
10280823
n÷3
6853882
n÷3
5140411.5
n÷5
4112329.2
n2
422781286229316
n3
8.6930791428719E+21
n4
1.7874401598571E+29
n5
3.6752711813166E+36
2 √n
4534.4951207384
3 √n
273.95924412014
4 √n
67.338659926808
5 √n
29.0142651493
1 , 2 , 3 , 6 , 7 , 14 , 21 , 42 , 79 , 158 , 237 , 474 , 553 , 1106 , 1659 , 3318 , 6197 , 12394 , 18591 , 37182 , 43379 , 86758 , 130137 , 260274 , 489563 , 979126 , 1468689 , 2937378 , 3426941 , 6853882 , 10280823 , 20561646
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20561645
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20561646 can be divided by 32 positive divisors.
The sum of these divisors (counting 20561646) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001110011011111011101110
3
Ternary
1102200122021110
4
Quaternary
1032123323232
5
Quinary
20230433041
6
Senary
2012412450
8
Octal
116337356
10
Decimal
20561646
12
Duodecimal
6a77126
16
Hexadecimal
139beee
20
Vigesimal
68a426
36
Base36
c8pgu
md5
25921098235a1053cda893595071883b
sha1
bf70846c5d82a2cc923108bb63fbd5bb8335f3b3
sha256
c1b4dbee5d12d0376c8ee14235c9fefc004eae06c76f93a261b91b158af8c2a1
sha512
d86eb09b89626b89da7a3deeb6f89810e5cd2e705190d5442f37de272dbfb7a77b04c85d8b5127c2aac72d16814773e0f5916c078454becf6313c8b3c25f8387
ripemd-160
43fbc15d1426bc23bdb61cc91d9eb21f7f26d274
Diameter
41123292
Circumference
129192632.03863
Area
1.3282065828933E+15
Volume
3.6413484763095E+22
Surface area
5.3128263315731E+15
Circumference
129192632.03863
Perimeter
82246584
Area
422781286229316
Diagonal
29078558.637915
Surface area
2536687717375896
Volume
8.6930791428719E+21
Space diagonal
35613815.559245
Perimeter
61684938
Area
1.8306966705962E+14
Altitude
17806907.779623
Surface area
1.8306966705962E+14
Volume
1.024489201886E+21
Height
9692852.8793048