78163988 is an even 8-digits composite number following 78163987
and preceding 78163989 . In scientific notation, it is written as 7.8163988 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 12 positive divisors.
There are 33372000 positive integers (up to 78163988) that are relatively prime to 78163988.
78163988 has 12 divisors, whose sum is 136872372
The reverse of 78163988 is 88936187
Previous prime number is 1897
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
seventy-eight million one hundred sixty-three thousand nine hundred eighty-eight
Scientific notation
7.8163988 × 10^7
Engineering notation
7.8163988 × 10^6
Prime Factorization
2 × 2 × 1897 × 10301
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
39081994
Product of the distinct prime numbers
The prime factorization of 78163988 is 2 × 2 × 1897 × 10301.
Since it has a total of 4 prime factors.
1 , 1 , 59 , 72 , 352 , 508 , 8243 , 7318 , 70665 , 30344 , 831449 , 515977 , 8898518 , 931329 , 82003451 , 40116698 , 693837692 , 428436950 , 7165868453 , 9372430259
n×2
156327976
n×3
234491964
n×4
312655952
n×5
390819940
n÷2
39081994
n÷3
26054662.666667
n÷3
19540997
n÷5
15632797.6
n2
6109609020064144
n3
4.7755140612899E+23
n4
3.7327322378049E+31
n5
2.91765237843E+39
2 √n
8841.0399840743
3 √n
427.56508795456
4 √n
94.026804604189
5 √n
37.896695472495
1 , 2 , 4 , 1897 , 3794 , 7588 , 10301 , 20602 , 41204 , 19540997 , 39081994 , 78163988
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78163987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78163988 can be divided by 12 positive divisors.
The sum of these divisors (counting 78163988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101010001011000000010100
3
Ternary
12110002010211112
4
Quaternary
10222023000110
5
Quinary
130002221423
6
Senary
11431154152
8
Octal
452130024
10
Decimal
78163988
12
Duodecimal
22215958
16
Hexadecimal
4a8b014
20
Vigesimal
148a9j8
36
Base36
1ajbpw
md5
965efbfafad532f33d3944ee95f3381e
sha1
6cc8943d2a648062a3cf6faf371319af26fee923
sha256
90e5ab1cdb0450006c36a6ce7f16dc1ea4af8b56ee79199cba3584c3ad69fe0f
sha512
e537d8cbc8252cfd6bf45fad6d9a2da01c870e4720a2fd8ba3a90d397cd6273bec3425d5e44ab84cf8daa504efe1e7301f24b2019d076c4fb97dba526f51f324
ripemd-160
122c7f665243171638e0c1038ba84a305c775fe6
Diameter
156327976
Circumference
491118820.95216
Area
1.9193902813739E+16
Volume
2.0003626522751E+24
Surface area
7.6775611254958E+16
Circumference
491118820.95216
Perimeter
312655952
Area
6109609020064144
Diagonal
110540571.91877
Surface area
36657654120384864
Volume
4.7755140612899E+23
Space diagonal
135383998.5382
Perimeter
234491964
Area
2.645538309283E+15
Altitude
67691999.269102
Surface area
2.645538309283E+15
Volume
5.6279972939829E+22
Height
36846857.306256