78163938 is an even 8-digits composite number following 78163937
and preceding 78163939 . In scientific notation, it is written as 7.8163938 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 25448472 positive integers (up to 78163938) that are relatively prime to 78163938.
78163938 has 24 divisors, whose sum is 173295408
The reverse of 78163938 is 83936187
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-eight million one hundred sixty-three thousand nine hundred thirty-eight
Scientific notation
7.8163938 × 10^7
Engineering notation
7.8163938 × 10^6
Prime Factorization
2 × 3 × 3 × 43 × 100987
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
26054646
Product of the distinct prime numbers
The prime factorization of 78163938 is 2 × 3 × 3 × 43 × 100987.
Since it has a total of 5 prime factors.
9 , 8 , 83 , 77 , 676 , 903 , 5854 , 7978 , 78056 , 75220 , 373382 , 633699 , 8664002 , 2563828 , 62223959 , 18083680 , 306891483 , 341604476 , 7954224650 , 611182509
n×2
156327876
n×3
234491814
n×4
312655752
n×5
390819690
n÷2
39081969
n÷3
26054646
n÷3
19540984.5
n÷5
15632787.6
n2
6109601203667844
n3
4.7755048968822E+23
n4
3.732722686786E+31
n5
2.9176430466113E+39
2 √n
8841.0371563522
3 √n
427.56499678615
4 √n
94.0267895674
5 √n
37.896690624137
1 , 2 , 3 , 6 , 9 , 18 , 43 , 86 , 129 , 258 , 387 , 774 , 100987 , 201974 , 302961 , 605922 , 908883 , 1817766 , 4342441 , 8684882 , 13027323 , 26054646 , 39081969 , 78163938
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
-78163937
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 78163938 can be divided by 24 positive divisors.
The sum of these divisors (counting 78163938) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100101010001010111111100010
3
Ternary
12110002010202200
4
Quaternary
10222022333202
5
Quinary
130002221223
6
Senary
11431154030
8
Octal
452127742
10
Decimal
78163938
12
Duodecimal
22215916
16
Hexadecimal
4a8afe2
20
Vigesimal
148a9gi
36
Base36
1ajboi
md5
bbf496fb944fbb9888605023f45e7b88
sha1
a8623783cd7bd025c85c2896015de1d653400e2d
sha256
8a0213a5486615a70a6458947a9544bfeb71544a93c36ad38ee93e40b1483e6f
sha512
2a676a2b544638812c675978bd74a0223d71be5e05dce0a623dc84086b9c09150416384cf331192750760063de83819c103372148707a06e17bc688726660eaf
ripemd-160
4bc8fea977daa3ee8014c5357330b83e8a87967b
Diameter
156327876
Circumference
491118506.7929
Area
1.9193878257806E+16
Volume
2.000358813497E+24
Surface area
7.6775513031225E+16
Circumference
491118506.7929
Perimeter
312655752
Area
6109601203667844
Diagonal
110540501.20809
Surface area
36657607222007064
Volume
4.7755048968822E+23
Space diagonal
135383911.93566
Perimeter
234491814
Area
2.6455349246842E+15
Altitude
67691955.967832
Surface area
2.6455349246842E+15
Volume
5.6279864936249E+22
Height
36846833.73603