20181497 is an odd 8-digits composite number following 20181496
and preceding 20181498 . In scientific notation, it is written as 2.0181497 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 17298420 positive integers (up to 20181497) that are relatively prime to 20181497.
20181497 has 4 divisors, whose sum is 23064576
The reverse of 20181497 is 79418102
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred eighty-one thousand four hundred ninety-seven
Scientific notation
2.0181497 × 10^7
Engineering notation
2.0181497 × 10^6
Prime Factorization
7 × 2883071
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20181497
Product of the distinct prime numbers
The prime factorization of 20181497 is 7 × 2883071.
Since it has a total of 2 prime factors.
6 , 4 , 88 , 51 , 429 , 338 , 3914 , 1775 , 57738 , 92209 , 142925 , 115394 , 7978127 , 4207979 , 40346163 , 45132576 , 373174844 , 183695524 , 8198723616 , 8610085859
n×2
40362994
n×3
60544491
n×4
80725988
n×5
100907485
n÷2
10090748.5
n÷3
6727165.6666667
n÷3
5045374.25
n÷5
4036299.4
n2
407292821161009
n3
8.2197788483824E+21
n4
1.6588744216929E+29
n5
3.3478569164773E+36
2 √n
4492.3821075238
3 √n
272.26038808369
4 √n
67.025234856163
5 √n
28.906178190799
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20181496
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20181497 can be divided by 4 positive divisors.
The sum of these divisors (counting 20181497) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111111000111111001
3
Ternary
1101222022210212
4
Quaternary
1030333013321
5
Quinary
20131301442
6
Senary
2000320505
8
Octal
114770771
10
Decimal
20181497
12
Duodecimal
6913135
16
Hexadecimal
133f1f9
20
Vigesimal
662deh
36
Base36
c0k55
md5
154f7a0044d8a692d730226ecbab802f
sha1
2ae2cfd9499dd2b3b646d664c442e78102967f19
sha256
3448dff8fc7521b6403c34064610caff739bd511146ee98996f3ddc9917269aa
sha512
df3d0439e0ccfe3eba1bb1b8b39cb29fa16457b433d36f818ce3484a737e3c9d9cb2092e7c66b14bfb1a30e050571452f5720d1b53e7c63f068e566f80431932
ripemd-160
40b6247431ce79608517e276f8741389257bc1a2
Diameter
40362994
Circumference
126804085.42729
Area
1.2795481348193E+15
Volume
3.4430929125615E+22
Surface area
5.1181925392771E+15
Circumference
126804085.42729
Perimeter
80725988
Area
407292821161009
Diagonal
28540946.766392
Surface area
2443756926966054
Volume
8.2197788483824E+21
Space diagonal
34955378.176799
Perimeter
60544491
Area
1.7636296495223E+14
Altitude
17477689.088399
Surface area
1.7636296495223E+14
Volume
9.687102272575E+20
Height
9513648.9221306