78163985 is an odd 8-digits composite number following 78163984
and preceding 78163986 . In scientific notation, it is written as 7.8163985 × 10^7.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 62531184 positive integers (up to 78163985) that are relatively prime to 78163985.
78163985 has 4 divisors, whose sum is 93796788
The reverse of 78163985 is 58936187
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
seventy-eight million one hundred sixty-three thousand nine hundred eighty-five
Scientific notation
7.8163985 × 10^7
Engineering notation
7.8163985 × 10^6
Prime Factorization
5 × 15632797
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78163985
Product of the distinct prime numbers
The prime factorization of 78163985 is 5 × 15632797.
Since it has a total of 2 prime factors.
8 , 7 , 75 , 85 , 97 , 456 , 9244 , 5898 , 74636 , 22121 , 743502 , 833382 , 3724333 , 5557006 , 81502726 , 12585393 , 345337625 , 882705810 , 5841396585 , 1374708330
n×2
156327970
n×3
234491955
n×4
312655940
n×5
390819925
n÷2
39081992.5
n÷3
26054661.666667
n÷3
19540996.25
n÷5
15632797
n2
6109608551080225
n3
4.7755135114251E+23
n4
3.7327316647433E+31
n5
2.9176518185202E+39
2 √n
8841.039814411
3 √n
427.56508248446
4 √n
94.026803701982
5 √n
37.896695181594
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78163984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78163985 can be divided by 4 positive divisors.
The sum of these divisors (counting 78163985) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101010001011000000010001
3
Ternary
12110002010211102
4
Quaternary
10222023000101
5
Quinary
130002221420
6
Senary
11431154145
8
Octal
452130021
10
Decimal
78163985
12
Duodecimal
22215955
16
Hexadecimal
4a8b011
20
Vigesimal
148a9j5
36
Base36
1ajbpt
md5
7760e13dd2447cf734966e245dbb71c5
sha1
b460b2234dd0d9bf2615860b6c4645bccf37a696
sha256
5507ac09f4dfa6f0b0d1e42da2f3bc03426bfafd7b6bc872b022120bceac86a3
sha512
4b6d0b46e3e3c9da63f8747f7ccb1eb1bd662f92084bb064da52efe32097789aa96b7d033669206d31669a39543e52ac4ddeea44bd150bfc8f5a2cdce5f0d16d
ripemd-160
35f57d72c9a7668ba2cc3b8fc9f1435e430dbd6b
Diameter
156327970
Circumference
491118802.10261
Area
1.9193901340383E+16
Volume
2.0003624219482E+24
Surface area
7.6775605361532E+16
Circumference
491118802.10261
Perimeter
312655940
Area
6109608551080225
Diagonal
110540567.67613
Surface area
36657651306481350
Volume
4.7755135114251E+23
Space diagonal
135383993.34205
Perimeter
234491955
Area
2.6455381062071E+15
Altitude
67691996.671026
Surface area
2.6455381062071E+15
Volume
5.6279966459611E+22
Height
36846855.892042