19381018 is an even 8-digits composite number following 19381017
and preceding 19381019 . In scientific notation, it is written as 1.9381018 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 9632316 positive integers (up to 19381018) that are relatively prime to 19381018.
19381018 has 8 divisors, whose sum is 29246112
The reverse of 19381018 is 81018391
Previous prime number is 167
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
nineteen million three hundred eighty-one thousand eighteen
Scientific notation
1.9381018 × 10^7
Engineering notation
1.9381018 × 10^6
Prime Factorization
2 × 167 × 58027
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19381018
Product of the distinct prime numbers
The prime factorization of 19381018 is 2 × 167 × 58027.
Since it has a total of 3 prime factors.
3 , 10 , 21 , 52 , 448 , 775 , 6957 , 5969 , 88030 , 91089 , 667069 , 332902 , 2938668 , 4721981 , 76544728 , 34065885 , 928626014 , 851262174 , 3626792341 , 4817105410
n×2
38762036
n×3
58143054
n×4
77524072
n×5
96905090
n÷2
9690509
n÷3
6460339.3333333
n÷3
4845254.5
n÷5
3876203.6
n2
375623858716324
n3
7.2799727670105E+21
n4
1.4109328323694E+29
n5
2.7345314620943E+36
2 √n
4402.3877612041
3 √n
268.61207287074
4 √n
66.350491793235
5 √n
28.67314407843
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
-19381017
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 19381018 can be divided by 8 positive divisors.
The sum of these divisors (counting 19381018) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001001111011101100011010
3
Ternary
1100110122202111
4
Quaternary
1021323230122
5
Quinary
14430143033
6
Senary
1531222534
8
Octal
111735432
10
Decimal
19381018
12
Duodecimal
65a7a4a
16
Hexadecimal
127bb1a
20
Vigesimal
612cai
36
Base36
bjehm
md5
353b28ac852d014467ed899cf25addae
sha1
355e8b6e266795d7e506b67f0a7596d1067978cb
sha256
4e81af4151e885ca1bf9661c2fd61d45a24db9988d31ddfbd1dc55453dd388d1
sha512
2bca4758577412b5844b3310c621408983dddee7aac4918b2c2385d08133223f25361be08bbf7c75de33f35fabab836fb8b86eae8c096109fc6286c1058cdc71
ripemd-160
0f806beca0a8dbc87557d62770b2434e2bd053ac
Diameter
38762036
Circumference
121774527.53578
Area
1.1800571550563E+15
Volume
3.0494278617565E+22
Surface area
4.720228620225E+15
Circumference
121774527.53578
Perimeter
77524072
Area
375623858716324
Diagonal
27408898.508197
Surface area
2253743152297944
Volume
7.2799727670105E+21
Space diagonal
33568907.878407
Perimeter
58143054
Area
1.6264990195794E+14
Altitude
16784453.939203
Surface area
1.6264990195794E+14
Volume
8.5795301840109E+20
Height
9136299.5027324