20161565 is an odd 8-digits composite number following 20161564
and preceding 20161566 . In scientific notation, it is written as 2.0161565 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 15280272 positive integers (up to 20161565) that are relatively prime to 20161565.
20161565 has 8 divisors, whose sum is 25467360
The reverse of 20161565 is 56516102
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred sixty-one thousand five hundred sixty-five
Scientific notation
2.0161565 × 10^7
Engineering notation
2.0161565 × 10^6
Prime Factorization
5 × 19 × 212227
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20161565
Product of the distinct prime numbers
The prime factorization of 20161565 is 5 × 19 × 212227.
Since it has a total of 3 prime factors.
7 , 4 , 76 , 74 , 57 , 823 , 5504 , 2976 , 26971 , 6493 , 178467 , 849346 , 997652 , 8992611 , 25345316 , 54053116 , 652460929 , 235268126 , 6422386843 , 1003647313
n×2
40323130
n×3
60484695
n×4
80646260
n×5
100807825
n÷2
10080782.5
n÷3
6720521.6666667
n÷3
5040391.25
n÷5
4032313
n2
406488703249225
n3
8.195448412325E+21
n4
1.6523306586924E+29
n5
3.3313571976719E+36
2 √n
4490.1631373481
3 √n
272.17072705125
4 √n
67.008679567263
5 √n
28.900466169608
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20161564
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20161565 can be divided by 8 positive divisors.
The sum of these divisors (counting 20161565) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111010010000011101
3
Ternary
1101221022110122
4
Quaternary
1030322100131
5
Quinary
20130132230
6
Senary
2000044325
8
Octal
114722035
10
Decimal
20161565
12
Duodecimal
69036a5
16
Hexadecimal
133a41d
20
Vigesimal
6603i5
36
Base36
c04rh
md5
40bd70f8b69b09e37f82169be577b670
sha1
ce5a3d0117e140118758708670d1781cfe9f3091
sha256
63a34e6325f30dbd5dcf42da87d8a3c9fbbf7c29b276768efcedaed8f144a6cc
sha512
364166e6cc487bed424d65af66f9cb1030c53a21cbcedf7548b8345e854aebdc02f82350f73686e772971ce6bf7f7a537b701afa2d814c7e03bb97c08af027c4
ripemd-160
4f537adceba73305efe9a07b2ce159e9f4be4a22
Diameter
40323130
Circumference
126678848.97775
Area
1.277021923895E+15
Volume
3.4329014033379E+22
Surface area
5.10808769558E+15
Circumference
126678848.97775
Perimeter
80646260
Area
406488703249225
Diagonal
28512758.661667
Surface area
2438932219495350
Volume
8.195448412325E+21
Space diagonal
34920854.940102
Perimeter
60484695
Area
1.7601477168261E+14
Altitude
17460427.470051
Surface area
1.7601477168261E+14
Volume
9.6584285786992E+20
Height
9504252.8872222