78156942 is an even 8-digits composite number following 78156941
and preceding 78156943 . In scientific notation, it is written as 7.8156942 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 25552800 positive integers (up to 78156942) that are relatively prime to 78156942.
78156942 has 16 divisors, whose sum is 118395072
The reverse of 78156942 is 24965187
Previous prime number is 271
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-eight million one hundred fifty-six thousand nine hundred forty-two
Scientific notation
7.8156942 × 10^7
Engineering notation
7.8156942 × 10^6
Prime Factorization
2 × 213 × 271 × 677
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78156942
Product of the distinct prime numbers
The prime factorization of 78156942 is 2 × 213 × 271 × 677.
Since it has a total of 4 prime factors.
4 , 5 , 82 , 64 , 490 , 729 , 2541 , 7091 , 95951 , 77730 , 945531 , 406668 , 957320 , 7747437 , 6449294 , 48027781 , 279107471 , 794685836 , 2590146572 , 9828375425
n×2
156313884
n×3
234470826
n×4
312627768
n×5
390784710
n÷2
39078471
n÷3
26052314
n÷3
19539235.5
n÷5
15631388.4
n2
6108507582791364
n3
4.7742227285478E+23
n4
3.731386488902E+31
n5
2.9163375739269E+39
2 √n
8840.6414925615
3 √n
427.55224011924
4 √n
94.024685548857
5 √n
37.896012217324
1 , 2 , 213 , 271 , 426 , 542 , 677 , 1354 , 57723 , 115446 , 144201 , 183467 , 288402 , 366934 , 39078471 , 78156942
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
-78156941
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 78156942 can be divided by 16 positive divisors.
The sum of these divisors (counting 78156942) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101010001001010010001110
3
Ternary
12110001210011120
4
Quaternary
10222021102032
5
Quinary
130002010232
6
Senary
11431101410
8
Octal
452112216
10
Decimal
78156942
12
Duodecimal
22211866
16
Hexadecimal
4a8948e
20
Vigesimal
1489c72
36
Base36
1aj6a6
md5
05ac2498519fd89ba4b5b3e760b5779c
sha1
a47123d79354d650bfcbc353b1e53fe80b99d29d
sha256
4b414d51898193e65f89a42a53fddb65e4880fcaaddaf7962c9ccd42510f217c
sha512
7882c1232d28f8a033cd97cfd29c55f455da3fc13ed6226a64230a50e8bdd2df00cce5c999826f9921d88f054c28b5c70032b84f01d17cd8ce26395a8f550680
ripemd-160
d8cc8b6fdbb6e40f5ecbf16ab259e57baea7f78a
Diameter
156313884
Circumference
491074549.62849
Area
1.9190442546495E+16
Volume
1.999821740081E+24
Surface area
7.676177018598E+16
Circumference
491074549.62849
Perimeter
312627768
Area
6108507582791364
Diagonal
110530607.37001
Surface area
36651045496748184
Volume
4.7742227285478E+23
Space diagonal
135371794.50821
Perimeter
234470826
Area
2.6450613729536E+15
Altitude
67685897.254107
Surface area
2.6450613729536E+15
Volume
5.6264754437519E+22
Height
36843535.790002