20155665 is an odd 8-digits composite number following 20155664
and preceding 20155666 . In scientific notation, it is written as 2.0155665 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 10423296 positive integers (up to 20155665) that are relatively prime to 20155665.
20155665 has 16 divisors, whose sum is 22164480
The reverse of 20155665 is 56655102
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred fifty-five thousand six hundred sixty-five
Scientific notation
2.0155665 × 10^7
Engineering notation
2.0155665 × 10^6
Prime Factorization
15 × 73 × 79 × 233
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20155665
Product of the distinct prime numbers
The prime factorization of 20155665 is 15 × 73 × 79 × 233.
Since it has a total of 4 prime factors.
9 , 2 , 50 , 98 , 653 , 95 , 4624 , 3184 , 87948 , 79243 , 394542 , 786262 , 1322091 , 4263916 , 1202955 , 73947464 , 790647208 , 342576279 , 7791426085 , 2628488558
n×2
40311330
n×3
60466995
n×4
80622660
n×5
100778325
n÷2
10077832.5
n÷3
6718555
n÷3
5038916.25
n÷5
4031133
n2
406250831592225
n3
8.1882556675443E+21
n4
1.6503973816937E+29
n5
3.3264856742296E+36
2 √n
4489.5060975568
3 √n
272.14417547562
4 √n
67.003776740993
5 √n
28.89877450814
1 , 15 , 73 , 79 , 233 , 1095 , 1185 , 3495 , 5767 , 17009 , 18407 , 86505 , 255135 , 276105 , 1343711 , 20155665
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
-20155664
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 20155665 can be divided by 16 positive divisors.
The sum of these divisors (counting 20155665) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111000110100010001
3
Ternary
1101221000101010
4
Quaternary
1030320310101
5
Quinary
20124440130
6
Senary
2000001133
8
Octal
114706421
10
Decimal
20155665
12
Duodecimal
69001a9
16
Hexadecimal
1338d11
20
Vigesimal
65j935
36
Base36
c007l
md5
4ff3b3f054db3217b4679e8e30165d8f
sha1
c86ec6a5ce2fce09d55da2a63eac3c8843b2e93d
sha256
7dc32c59277189d274d21ed973d84ecc751ffe8a45117c73a030e14022aa2760
sha512
0f80d4a325efadf86a031ae92a86364f3074e06b9c77b63972e8defe5e4fd93204f6a5874075b9e8b1508e44a2c540c179fcbd28b7a9e721090408d4d60d7f28
ripemd-160
9501baeb556f837352164c68b5828b4fe914c6d4
Diameter
40311330
Circumference
126641778.18443
Area
1.2762746280449E+15
Volume
3.4298885134496E+22
Surface area
5.1050985121795E+15
Circumference
126641778.18443
Perimeter
80622660
Area
406250831592225
Diagonal
28504414.801649
Surface area
2437504989553350
Volume
8.1882556675443E+21
Space diagonal
34910635.840338
Perimeter
60466995
Area
1.7591177023371E+14
Altitude
17455317.920169
Surface area
1.7591177023371E+14
Volume
9.6499518476829E+20
Height
9501471.6005496