20155864 is an even 8-digits composite number following 20155863
and preceding 20155865 . In scientific notation, it is written as 2.0155864 × 10^7.
The sum of its digits is 31. It has a total of 6 prime factors and 32 positive divisors.
There are 9792000 positive integers (up to 20155864) that are relatively prime to 20155864.
20155864 has 32 divisors, whose sum is 38881440
The reverse of 20155864 is 46855102
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred fifty-five thousand eight hundred sixty-four
Scientific notation
2.0155864 × 10^7
Engineering notation
2.0155864 × 10^6
Prime Factorization
2 × 2 × 2 × 103 × 61 × 401
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5038966
Product of the distinct prime numbers
The prime factorization of 20155864 is 2 × 2 × 2 × 103 × 61 × 401.
Since it has a total of 6 prime factors.
3 , 8 , 93 , 98 , 850 , 862 , 7425 , 1840 , 24365 , 59423 , 338237 , 255519 , 1121374 , 9750100 , 47877940 , 82168274 , 296575809 , 446613875 , 7829562175 , 3622148581
n×2
40311728
n×3
60467592
n×4
80623456
n×5
100779320
n÷2
10077932
n÷3
6718621.3333333
n÷3
5038966
n÷5
4031172.8
n2
406258853586496
n3
8.1884982016853E+21
n4
1.6504625611741E+29
n5
3.3266498920118E+36
2 √n
4489.5282602964
3 √n
272.14507111319
4 √n
67.003942125045
5 √n
28.89883157233
1 , 2 , 4 , 8 , 61 , 103 , 122 , 206 , 244 , 401 , 412 , 488 , 802 , 824 , 1604 , 3208 , 6283 , 12566 , 24461 , 25132 , 41303 , 48922 , 50264 , 82606 , 97844 , 165212 , 195688 , 330424 , 2519483 , 5038966 , 10077932 , 20155864
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
-20155863
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 20155864 can be divided by 32 positive divisors.
The sum of these divisors (counting 20155864) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100111000110111011000
3
Ternary
1101221000122111
4
Quaternary
1030320313120
5
Quinary
20124441424
6
Senary
2000002104
8
Octal
114706730
10
Decimal
20155864
12
Duodecimal
6900334
16
Hexadecimal
1338dd8
20
Vigesimal
65j9d4
36
Base36
c00d4
md5
713de044e708cb85961ed9ad3d3f5e0a
sha1
1eec20f9ce91a99643e46579e2bf2bc09f438e00
sha256
db6c4a5fd567a17740800fd2a693ba5ebec53f1aa1c6667fd8bd981de6d51773
sha512
d7060188ba658b173e3367febae51131c79351c2910e5a20703c0743c765ba01f62069e412ccbcd7eaf803ba42f6a700b6ea4764d8d28a4f21bae13dc5379694
ripemd-160
22bd9f803a0aca02b96763486a6e43cdeadd771b
Diameter
40311728
Circumference
126643028.53831
Area
1.2762998298831E+15
Volume
3.429990105913E+22
Surface area
5.1051993195326E+15
Circumference
126643028.53831
Perimeter
80623456
Area
406258853586496
Diagonal
28504696.230148
Surface area
2437553121518976
Volume
8.1884982016853E+21
Space diagonal
34910980.518448
Perimeter
60467592
Area
1.7591524385912E+14
Altitude
17455490.259224
Surface area
1.7591524385912E+14
Volume
9.6502376769092E+20
Height
9501565.4100492