18539970 is an even 8-digits composite number following 18539969
and preceding 18539971 . In scientific notation, it is written as 1.8539970 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 4928640 positive integers (up to 18539970) that are relatively prime to 18539970.
18539970 has 32 divisors, whose sum is 44634240
The reverse of 18539970 is 07993581
Previous prime number is 409
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighteen million five hundred thirty-nine thousand nine hundred seventy
Scientific notation
1.8539970 × 10^7
Engineering notation
1.8539970 × 10^6
Prime Factorization
2 × 5 × 3 × 409 × 1511
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
18539970
Product of the distinct prime numbers
The prime factorization of 18539970 is 2 × 5 × 3 × 409 × 1511.
Since it has a total of 5 prime factors.
5 , 2 , 33 , 73 , 258 , 482 , 2162 , 898 , 49346 , 20379 , 478926 , 615700 , 7259391 , 1878144 , 27046605 , 4553649 , 111182886 , 942608635 , 3107958268 , 6770863572
n×2
37079940
n×3
55619910
n×4
74159880
n×5
92699850
n÷2
9269985
n÷3
6179990
n÷3
4634992.5
n÷5
3707994
n2
343730487600900
n3
6.3727529282061E+21
n4
1.1815064810635E+29
n5
2.1905094713723E+36
2 √n
4305.8065446557
3 √n
264.6689588876
4 √n
65.618644794416
5 √n
28.419851572009
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 409 , 818 , 1227 , 1511 , 2045 , 2454 , 3022 , 4090 , 4533 , 6135 , 7555 , 9066 , 12270 , 15110 , 22665 , 45330 , 617999 , 1235998 , 1853997 , 3089995 , 3707994 , 6179990 , 9269985 , 18539970
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
-18539969
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 18539970 can be divided by 32 positive divisors.
The sum of these divisors (counting 18539970) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1000110101110010111000010
3
Ternary
1021212221001120
4
Quaternary
1012232113002
5
Quinary
14221234340
6
Senary
1501213110
8
Octal
106562702
10
Decimal
18539970
12
Duodecimal
6261196
16
Hexadecimal
11ae5c2
20
Vigesimal
5fh9ia
36
Base36
b1dj6
md5
51e4ac584815c2028832e6eefb9c1952
sha1
043bb188e59443db2ed096a47117a66968288766
sha256
8dec3cbef9215ef8334ff8b9d943c6998c08719b19743346f232d8a50e08421c
sha512
19883b25311b7f3f94799a7191c844504c1c515c9b7ec0276972cb05b54782a714d7e29ea80265a520c60884ed0fc5732f1b4b355a0c5cd8afe7caa4bac0d8b8
ripemd-160
afb270210e142a767ea4afdd2867a98c7519f104
Diameter
37079940
Circumference
116490067.09955
Area
1.0798611746618E+15
Volume
2.6694125043193E+22
Surface area
4.3194446986473E+15
Circumference
116490067.09955
Perimeter
74159880
Area
343730487600900
Diagonal
26219477.01999
Surface area
2062382925605400
Volume
6.3727529282061E+21
Space diagonal
32112170.010803
Perimeter
55619910
Area
1.488396671588E+14
Altitude
16056085.005401
Surface area
1.488396671588E+14
Volume
7.5103613506016E+20
Height
8739825.6733301