20155729 is an odd 8-digits composite number following 20155728
and preceding 20155730 . In scientific notation, it is written as 2.0155729 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 18285600 positive integers (up to 20155729) that are relatively prime to 20155729.
20155729 has 8 divisors, whose sum is 22033440
The reverse of 20155729 is 92755102
Previous prime number is 571
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred fifty-five thousand seven hundred twenty-nine
Scientific notation
2.0155729 × 10^7
Engineering notation
2.0155729 × 10^6
Prime Factorization
11 × 571 × 3209
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20155729
Product of the distinct prime numbers
The prime factorization of 20155729 is 11 × 571 × 3209.
Since it has a total of 3 prime factors.
6 , 7 , 77 , 17 , 258 , 72 , 7650 , 5741 , 66579 , 2851 , 982414 , 147017 , 6361927 , 8833843 , 60673417 , 22209265 , 732319022 , 306080666 , 5117017261 , 7275947126
n×2
40311458
n×3
60467187
n×4
80622916
n×5
100778645
n÷2
10077864.5
n÷3
6718576.3333333
n÷3
5038932.25
n÷5
4031145.8
n2
406253411521441
n3
8.1883336679516E+21
n4
1.6504183437281E+29
n5
3.3265384872812E+36
2 √n
4489.513225284
3 √n
272.1444635205
4 √n
67.003829929967
5 √n
28.898792860491
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
-20155728
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 20155729 can be divided by 8 positive divisors.
The sum of these divisors (counting 20155729) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111000110101010001
3
Ternary
1101221000110111
4
Quaternary
1030320311101
5
Quinary
20124440404
6
Senary
2000001321
8
Octal
114706521
10
Decimal
20155729
12
Duodecimal
6900241
16
Hexadecimal
1338d51
20
Vigesimal
65j969
36
Base36
c009d
md5
374175f19cede610a08b7536ca5667da
sha1
671de9c0a83793607d8cce582860da51a23fb9f8
sha256
24c3156e58c5964352128bf89332c1f76cd94437a30265d8bcbb3852c92d8605
sha512
f851ca255b10d7fe1f44c20b1cd2cbe870dd06115878bd6570ede966e671a11b3f17a4e833bfb753291532d39ab3349098513719eeb6f7223cacac77b964b079
ripemd-160
f9c01bc3993c3bd36a6d6eeeb1cf0fbc9f5d7d56
Diameter
40311458
Circumference
126642180.30829
Area
1.2762827331316E+15
Volume
3.4299211861838E+22
Surface area
5.1051309325262E+15
Circumference
126642180.30829
Perimeter
80622916
Area
406253411521441
Diagonal
28504505.311317
Surface area
2437520469128646
Volume
8.1883336679516E+21
Space diagonal
34910746.691589
Perimeter
60467187
Area
1.7591288737583E+14
Altitude
17455373.345795
Surface area
1.7591288737583E+14
Volume
9.6500437720445E+20
Height
9501501.7704389