78156738 is an even 8-digits composite number following 78156737
and preceding 78156739 . In scientific notation, it is written as 7.8156738 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 23263200 positive integers (up to 78156738) that are relatively prime to 78156738.
78156738 has 32 divisors, whose sum is 127491840
The reverse of 78156738 is 83765187
Previous prime number is 33
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-eight million one hundred fifty-six thousand seven hundred thirty-eight
Scientific notation
7.8156738 × 10^7
Engineering notation
7.8156738 × 10^6
Prime Factorization
2 × 27 × 61 × 33 × 719
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
78156738
Product of the distinct prime numbers
The prime factorization of 78156738 is 2 × 27 × 61 × 33 × 719.
Since it has a total of 5 prime factors.
3 , 5 , 72 , 18 , 663 , 686 , 12 , 8194 , 47060 , 92541 , 864929 , 413582 , 8562165 , 2952080 , 42016117 , 83513277 , 271878894 , 994897551 , 1118850945 , 1629911745
n×2
156313476
n×3
234470214
n×4
312626952
n×5
390783690
n÷2
39078369
n÷3
26052246
n÷3
19539184.5
n÷5
15631347.6
n2
6108475694800644
n3
4.774185344579E+23
n4
3.731347531397E+31
n5
2.9162995139834E+39
2 √n
8840.6299549297
3 √n
427.55186812954
4 √n
94.024624194568
5 √n
37.895992434579
1 , 2 , 27 , 33 , 54 , 61 , 66 , 122 , 719 , 891 , 1438 , 1647 , 1782 , 2013 , 3294 , 4026 , 19413 , 23727 , 38826 , 43859 , 47454 , 54351 , 87718 , 108702 , 640629 , 1184193 , 1281258 , 1447347 , 2368386 , 2894694 , 39078369 , 78156738
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78156737
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78156738 can be divided by 32 positive divisors.
The sum of these divisors (counting 78156738) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100101010001001001111000010
3
Ternary
12110001202220000
4
Quaternary
10222021033002
5
Quinary
130002003423
6
Senary
11431100430
8
Octal
452111702
10
Decimal
78156738
12
Duodecimal
22211716
16
Hexadecimal
4a893c2
20
Vigesimal
1489bgi
36
Base36
1aj64i
md5
c495787cdb8b656548d71655cb74a10f
sha1
e2e5b19949afa0cad2c182f6bfa131dea3eed1b4
sha256
5e65f85e587cc6a48e3d42917b0cefebde1cfbd5aeffd0cbb77d8724c4557df5
sha512
a8341e4a5ac157124fab45debc66dda8bba59accad8a166c443a8794e6cc7bdcf2c0869c87a4c1a4dc44e26a2a10aba611e4a8980d71a32e7922cade785a8bc0
ripemd-160
9384f741fa6d98f3b835f800c2e486d7651b0b80
Diameter
156313476
Circumference
491073267.85868
Area
1.9190342367418E+16
Volume
1.9998060807207E+24
Surface area
7.676136946967E+16
Circumference
491073267.85868
Perimeter
312626952
Area
6108475694800644
Diagonal
110530318.87044
Surface area
36650854168803864
Volume
4.774185344579E+23
Space diagonal
135371441.16985
Perimeter
234470214
Area
2.6450475650486E+15
Altitude
67685720.584925
Surface area
2.6450475650486E+15
Volume
5.6264313863221E+22
Height
36843439.62348