18706768 is an even 8-digits composite number following 18706767
and preceding 18706769 . In scientific notation, it is written as 1.8706768 × 10^7.
The sum of its digits is 43. It has a total of 6 prime factors and 20 positive divisors.
There are 9330944 positive integers (up to 18706768) that are relatively prime to 18706768.
18706768 has 20 divisors, whose sum is 36331380
The reverse of 18706768 is 86760781
Previous prime number is 509
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighteen million seven hundred six thousand seven hundred sixty-eight
Scientific notation
1.8706768 × 10^7
Engineering notation
1.8706768 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 509 × 2297
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2338346
Product of the distinct prime numbers
The prime factorization of 18706768 is 2 × 2 × 2 × 2 × 509 × 2297.
Since it has a total of 6 prime factors.
7 , 5 , 78 , 20 , 879 , 806 , 9230 , 4299 , 51953 , 1647 , 889616 , 981895 , 4564520 , 154047 , 35050162 , 5854285 , 507116612 , 59621037 , 2107621035 , 232330526
n×2
37413536
n×3
56120304
n×4
74827072
n×5
93533840
n÷2
9353384
n÷3
6235589.3333333
n÷3
4676692
n÷5
3741353.6
n2
349943169005824
n3
6.5463056757767E+21
n4
1.2246022153384E+29
n5
2.2908349534621E+36
2 √n
4325.1321367098
3 √n
265.46030358777
4 √n
65.765736798958
5 √n
28.470805342449
1 , 2 , 4 , 8 , 16 , 509 , 1018 , 2036 , 2297 , 4072 , 4594 , 8144 , 9188 , 18376 , 36752 , 1169173 , 2338346 , 4676692 , 9353384 , 18706768
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18706767
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18706768 can be divided by 20 positive divisors.
The sum of these divisors (counting 18706768) is 1, the average is 0.05.
Base
System
Value
2
Binary
1000111010111000101010000
3
Ternary
1022012101212021
4
Quaternary
1013113011100
5
Quinary
14242104033
6
Senary
1504541224
8
Octal
107270520
10
Decimal
18706768
12
Duodecimal
6321814
16
Hexadecimal
11d7150
20
Vigesimal
5gi6i8
36
Base36
b4y8g
md5
dda6e3e89ef751682d9969a23cdc05f8
sha1
81dc2f09247bc4e01938a78e9a3ecaffaaa5ff57
sha256
a6801735d78eb643016ce60e49a7bee433ad74097083cce7cf06da8e73c4a0b5
sha512
7a385320e55df09efa524b278e6b49170917726636abd359a43792a1f425d7fc76920436a7433b7750a20ac7bd883b37149e5fa0a5934e13dc77a85da8397768
ripemd-160
68fc54cceb0fb9fabca081cf64c938471f37e29d
Diameter
37413536
Circumference
117538089.84242
Area
1.0993788889226E+15
Volume
2.7421101092231E+22
Surface area
4.3975155556905E+15
Circumference
117538089.84242
Perimeter
74827072
Area
349943169005824
Diagonal
26455365.013767
Surface area
2099659014034944
Volume
6.5463056757767E+21
Space diagonal
32401072.621404
Perimeter
56120304
Area
1.5152983711994E+14
Altitude
16200536.310702
Surface area
1.5152983711994E+14
Volume
7.7148952251029E+20
Height
8818455.004589