18917070 is an even 8-digits composite number following 18917069
and preceding 18917071 . In scientific notation, it is written as 1.8917070 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 5028480 positive integers (up to 18917070) that are relatively prime to 18917070.
18917070 has 16 divisors, whose sum is 30363840
The reverse of 18917070 is 07071981
Previous prime number is 389
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighteen million nine hundred seventeen thousand seventy
Scientific notation
1.8917070 × 10^7
Engineering notation
1.8917070 × 10^6
Prime Factorization
2 × 15 × 389 × 1621
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18917070
Product of the distinct prime numbers
The prime factorization of 18917070 is 2 × 15 × 389 × 1621.
Since it has a total of 4 prime factors.
6 , 10 , 6 , 15 , 653 , 282 , 8252 , 1287 , 91354 , 49167 , 496944 , 803523 , 6913997 , 6872417 , 44364667 , 79812058 , 519642355 , 165066139 , 9731201877 , 6492435419
n×2
37834140
n×3
56751210
n×4
75668280
n×5
94585350
n÷2
9458535
n÷3
6305690
n÷3
4729267.5
n÷5
3783414
n2
357855537384900
n3
6.7695782505978E+21
n4
1.2806058563704E+29
n5
2.4225310627368E+36
2 √n
4349.3758172869
3 √n
266.4513696265
4 √n
65.94979770467
5 √n
28.534533325721
1 , 2 , 15 , 30 , 389 , 778 , 1621 , 3242 , 5835 , 11670 , 24315 , 48630 , 630569 , 1261138 , 9458535 , 18917070
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
-18917069
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 18917070 can be divided by 16 positive divisors.
The sum of these divisors (counting 18917070) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001000001010011011001110
3
Ternary
1022121002100020
4
Quaternary
1020022123032
5
Quinary
14320321240
6
Senary
1513243010
8
Octal
110123316
10
Decimal
18917070
12
Duodecimal
6403466
16
Hexadecimal
120a6ce
20
Vigesimal
5i4cda
36
Base36
b9gi6
md5
a69c5c3c4ec27721e6cc2e2445cdcd60
sha1
0d0460fad740790d4d5844a41130f63f0cda3d96
sha256
a885d4a6ffa217bc6dccfee70d2d3aad4f8af0e6b73086c2d1fef6ae09be9fee
sha512
7295720f228b62f31f64a5e2815928c9b6f4acab4377bafe8c07ce75c671ed7a8c6b8230db689fa77bacebc402526ccec0841c45e55b685e36d1c8474e549572
ripemd-160
f12e0a6200b11407f11a009907c437cef17f5aec
Diameter
37834140
Circumference
118859456.27889
Area
1.1242363272948E+15
Volume
2.8356343066639E+22
Surface area
4.4969453091793E+15
Circumference
118859456.27889
Perimeter
75668280
Area
357855537384900
Diagonal
26752776.954361
Surface area
2147133224309400
Volume
6.7695782505978E+21
Space diagonal
32765326.370337
Perimeter
56751210
Area
1.5495599313013E+14
Altitude
16382663.185168
Surface area
1.5495599313013E+14
Volume
7.9780244779511E+20
Height
8917592.3181204