20561697 is an odd 8-digits composite number following 20561696
and preceding 20561698 . In scientific notation, it is written as 2.0561697 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 11975040 positive integers (up to 20561697) that are relatively prime to 20561697.
20561697 has 16 divisors, whose sum is 22901312
The reverse of 20561697 is 79616502
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million five hundred sixty-one thousand six hundred ninety-seven
Scientific notation
2.0561697 × 10^7
Engineering notation
2.0561697 × 10^6
Prime Factorization
387 × 61 × 13 × 67
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20561697
Product of the distinct prime numbers
The prime factorization of 20561697 is 387 × 61 × 13 × 67.
Since it has a total of 4 prime factors.
10 , 5 , 68 , 47 , 971 , 880 , 1449 , 8369 , 492 , 86332 , 389302 , 988164 , 4481742 , 5462256 , 17780020 , 74078908 , 890731993 , 90511550 , 4156266683 , 1601654563
n×2
41123394
n×3
61685091
n×4
82246788
n×5
102808485
n÷2
10280848.5
n÷3
6853899
n÷3
5140424.25
n÷5
4112339.4
n2
422783383519809
n3
8.6931438285691E+21
n4
1.7874578938046E+29
n5
3.6753167612668E+36
2 √n
4534.5007442937
3 √n
273.95947062454
4 √n
67.338701682567
5 √n
29.01427954237
1 , 13 , 61 , 67 , 387 , 793 , 871 , 4087 , 5031 , 23607 , 25929 , 53131 , 306891 , 337077 , 1581669 , 20561697
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
-20561696
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 20561697 can be divided by 16 positive divisors.
The sum of these divisors (counting 20561697) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110011011111100100001
3
Ternary
1102200122100100
4
Quaternary
1032123330201
5
Quinary
20230433242
6
Senary
2012413013
8
Octal
116337441
10
Decimal
20561697
12
Duodecimal
6a77169
16
Hexadecimal
139bf21
20
Vigesimal
68a44h
36
Base36
c8pi9
md5
9ba22c7170d9fe0c524f163bb6479ecf
sha1
9e07cf3399d91a1db4a579e330841be6cd932b08
sha256
d4f61147175993a058026e6998786066ea4d18efee98f639e57fb2a34e155c46
sha512
5dd506781294decede22041afb398782dd326d87d24a1d11a310adc40bf6479818514ff5672ee56340a5b1763dc56545fd78af33024b20247ed0828258cc0358
ripemd-160
000d9a38e0435020f1aff71fe093030706c330c7
Diameter
41123394
Circumference
129192952.48108
Area
1.3282131717257E+15
Volume
3.641375571791E+22
Surface area
5.3128526869027E+15
Circumference
129192952.48108
Perimeter
82246788
Area
422783383519809
Diagonal
29078630.762806
Surface area
2536700301118854
Volume
8.6931438285691E+21
Space diagonal
35613903.893837
Perimeter
61685091
Area
1.8307057521305E+14
Altitude
17806951.946918
Surface area
1.8307057521305E+14
Volume
1.0244968251685E+21
Height
9692876.9209354