18669968 is an even 8-digits composite number following 18669967
and preceding 18669969 . In scientific notation, it is written as 1.8669968 × 10^7.
The sum of its digits is 53. It has a total of 6 prime factors and 20 positive divisors.
There are 9012864 positive integers (up to 18669968) that are relatively prime to 18669968.
18669968 has 20 divisors, whose sum is 37421340
The reverse of 18669968 is 86996681
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 53
Digital Root 8
Name
eighteen million six hundred sixty-nine thousand nine hundred sixty-eight
Scientific notation
1.8669968 × 10^7
Engineering notation
1.8669968 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 29 × 40237
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2333746
Product of the distinct prime numbers
The prime factorization of 18669968 is 2 × 2 × 2 × 2 × 29 × 40237.
Since it has a total of 6 prime factors.
1 , 1 , 33 , 9 , 385 , 534 , 9827 , 2728 , 803 , 21147 , 915219 , 257859 , 9842365 , 1702222 , 5903166 , 78245712 , 73485439 , 839015316 , 5241833073 , 2428052410
n×2
37339936
n×3
56009904
n×4
74679872
n×5
93349840
n÷2
9334984
n÷3
6223322.6666667
n÷3
4667492
n÷5
3733993.6
n2
348567705121024
n3
6.507747900443E+21
n4
1.2149944505334E+29
n5
2.2683907511636E+36
2 √n
4320.8758371423
3 √n
265.28611793102
4 √n
65.733369281836
5 √n
28.459594950078
1 , 2 , 4 , 8 , 16 , 29 , 58 , 116 , 232 , 464 , 40237 , 80474 , 160948 , 321896 , 643792 , 1166873 , 2333746 , 4667492 , 9334984 , 18669968
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
-18669967
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 18669968 can be divided by 20 positive divisors.
The sum of these divisors (counting 18669968) is 1, the average is 0.05.
Base
System
Value
2
Binary
1000111001110000110010000
3
Ternary
1022010112101022
4
Quaternary
1013032012100
5
Quinary
14234414333
6
Senary
1504055012
8
Octal
107160620
10
Decimal
18669968
12
Duodecimal
6304468
16
Hexadecimal
11ce190
20
Vigesimal
5gdei8
36
Base36
b45u8
md5
7919cf3cfb73288b6ad89c50a6bb72a9
sha1
40e2467301297a2b4b116ff702323667b8dfd1c8
sha256
5022405e3fd42a6b9a0ac0fde03036ece73b1a9646b31394708504a2b373b859
sha512
797f4313fe05fdb88090e33ac6775ce2f3fd1b8d22bbc4832a4205a1a5919d51b0741203f1e4adb30117af6e098610b8c21ea15a672b778738e6bd23b20a16ef
ripemd-160
5a8a6886c6fd1d0df317cc95ce7433b870f75750
Diameter
37339936
Circumference
117306868.62311
Area
1.0950577416869E+15
Volume
2.7259590660595E+22
Surface area
4.3802309667474E+15
Circumference
117306868.62311
Perimeter
74679872
Area
348567705121024
Diagonal
26403321.954672
Surface area
2091406230726144
Volume
6.507747900443E+21
Space diagonal
32337333.151685
Perimeter
56009904
Area
1.5093424378682E+14
Altitude
16168666.575843
Surface area
1.5093424378682E+14
Volume
7.6694544510929E+20
Height
8801107.3182239