78164940 is an even 8-digits composite number following 78164939
and preceding 78164941 . In scientific notation, it is written as 7.8164940 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 17866176 positive integers (up to 78164940) that are relatively prime to 78164940.
78164940 has 24 divisors, whose sum is 171963792
The reverse of 78164940 is 04946187
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-eight million one hundred sixty-four thousand nine hundred forty
Scientific notation
7.8164940 × 10^7
Engineering notation
7.8164940 × 10^6
Prime Factorization
2 × 2 × 21 × 5 × 186107
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
39082470
Product of the distinct prime numbers
The prime factorization of 78164940 is 2 × 2 × 21 × 5 × 186107.
Since it has a total of 5 prime factors.
2 , 10 , 11 , 53 , 816 , 707 , 5070 , 9670 , 14228 , 37279 , 6930 , 658369 , 5804168 , 3576386 , 21732564 , 20730843 , 628777364 , 133075198 , 4969393747 , 9572096383
n×2
156329880
n×3
234494820
n×4
312659760
n×5
390824700
n÷2
39082470
n÷3
26054980
n÷3
19541235
n÷5
15632988
n2
6109757845203600
n3
4.7756885538487E+23
n4
3.7329140927027E+31
n5
2.9178300608126E+39
2 √n
8841.0938237302
3 √n
427.56682379363
4 √n
94.027090903261
5 √n
37.896787784772
1 , 2 , 4 , 5 , 10 , 20 , 21 , 42 , 84 , 105 , 210 , 420 , 186107 , 372214 , 744428 , 930535 , 1861070 , 3722140 , 3908247 , 7816494 , 15632988 , 19541235 , 39082470 , 78164940
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78164939
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78164940 can be divided by 24 positive divisors.
The sum of these divisors (counting 78164940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100101010001011001111001100
3
Ternary
12110002012010210
4
Quaternary
10222023033030
5
Quinary
130002234230
6
Senary
11431202420
8
Octal
452131714
10
Decimal
78164940
12
Duodecimal
22216410
16
Hexadecimal
4a8b3cc
20
Vigesimal
148ac70
36
Base36
1ajcgc
md5
b790bbed34778822ffe2c8c1e0505155
sha1
320bacd8dab81d73ab28c59497f79a6cfc07c074
sha256
bed52dab8624aa4681d29228f0c09e035f0717775e42556038b26920e23ba768
sha512
a2d94d8a9d9672a5bd967a321583896a990aad2222e9e570f6413f155fd7bd99e197d6093a94ada2d5fea346ad130dcb25a5379d63c76dc7eb93a29f7b36be4c
ripemd-160
90fd5294adaa66de9be2a49f576a5fd33d85951b
Diameter
156329880
Circumference
491124802.54457
Area
1.9194370361704E+16
Volume
2.0004357435472E+24
Surface area
7.6777481446817E+16
Circumference
491124802.54457
Perimeter
312659760
Area
6109757845203600
Diagonal
110541918.25008
Surface area
36658547071221600
Volume
4.7756885538487E+23
Space diagonal
135385647.45057
Perimeter
234494820
Area
2.6456027524588E+15
Altitude
67692823.725286
Surface area
2.6456027524588E+15
Volume
5.6282029354356E+22
Height
36847306.08336