20131555 is an odd 8-digits composite number following 20131554
and preceding 20131556 . In scientific notation, it is written as 2.0131555 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 16 positive divisors.
There are 14905440 positive integers (up to 20131555) that are relatively prime to 20131555.
20131555 has 16 divisors, whose sum is 26025984
The reverse of 20131555 is 55513102
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred thirty-one thousand five hundred fifty-five
Scientific notation
2.0131555 × 10^7
Engineering notation
2.0131555 × 10^6
Prime Factorization
5 × 23 × 31 × 5647
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20131555
Product of the distinct prime numbers
The prime factorization of 20131555 is 5 × 23 × 31 × 5647.
Since it has a total of 4 prime factors.
10 , 2 , 5 , 38 , 710 , 545 , 8593 , 8651 , 18811 , 91457 , 459425 , 148227 , 3693659 , 6734197 , 51193254 , 40234985 , 593505542 , 471059787 , 7815207655 , 2651194893
n×2
40263110
n×3
60394665
n×4
80526220
n×5
100657775
n÷2
10065777.5
n÷3
6710518.3333333
n÷3
5032888.75
n÷5
4026311
n2
405279506718025
n3
8.1589066798668E+21
n4
1.6425147856561E+29
n5
3.3066376745748E+36
2 √n
4486.8201434869
3 √n
272.03562015489
4 √n
66.983730438719
5 √n
28.891857514127
1 , 5 , 23 , 31 , 115 , 155 , 713 , 3565 , 5647 , 28235 , 129881 , 175057 , 649405 , 875285 , 4026311 , 20131555
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
-20131554
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 20131555 can be divided by 16 positive divisors.
The sum of these divisors (counting 20131555) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110010111011100011
3
Ternary
1101212210022011
4
Quaternary
1030302323203
5
Quinary
20123202210
6
Senary
1555253351
8
Octal
114627343
10
Decimal
20131555
12
Duodecimal
68aa257
16
Hexadecimal
1332ee3
20
Vigesimal
65g8hf
36
Base36
bzhlv
md5
f24ed97e1e19eb8406f3841bd9d9dfda
sha1
d72b23b8346648cc8d25c0c1907a2aa6bdd3c09c
sha256
deb1e8f187c92c770bbc48e90b7de6f6590b399f5f35e49752f88f84e5813bf0
sha512
4ce8cfc46c7b472b507153a59e8e0dbfefa1f2bc78913e64d62582695b07a485793d9a42faaca210d20c0e6d4f48a1cae3d99d68333ea4a166fbbc061e0baf09
ripemd-160
52bf01126a013737b2c74235b763e30898f53bfd
Diameter
40263110
Circumference
126490290.58668
Area
1.2732231209558E+15
Volume
3.4175948382392E+22
Surface area
5.0928924838234E+15
Circumference
126490290.58668
Perimeter
80526220
Area
405279506718025
Diagonal
28470318.11266
Surface area
2431677040308150
Volume
8.1589066798668E+21
Space diagonal
34868876.095367
Perimeter
60394665
Area
1.7549117422552E+14
Altitude
17434438.047684
Surface area
1.7549117422552E+14
Volume
9.6153637340034E+20
Height
9490106.0375533