78341985 is an odd 8-digits composite number following 78341984
and preceding 78341986 . In scientific notation, it is written as 7.8341985 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 41780448 positive integers (up to 78341985) that are relatively prime to 78341985.
78341985 has 8 divisors, whose sum is 87265640
The reverse of 78341985 is 58914387
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-eight million three hundred forty-one thousand nine hundred eighty-five
Scientific notation
7.8341985 × 10^7
Engineering notation
7.8341985 × 10^6
Prime Factorization
405 × 9 × 21493
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78341985
Product of the distinct prime numbers
The prime factorization of 78341985 is 405 × 9 × 21493.
Since it has a total of 3 prime factors.
4 , 2 , 80 , 64 , 889 , 152 , 3441 , 5275 , 13705 , 77972 , 968909 , 65079 , 5514583 , 7271404 , 83852249 , 56469257 , 51837475 , 412794900 , 4304891869 , 625484787
n×2
156683970
n×3
235025955
n×4
313367940
n×5
391709925
n÷2
39170992.5
n÷3
26113995
n÷3
19585496.25
n÷5
15668397
n2
6137466613740225
n3
4.8082131739164E+23
n4
3.7668496434776E+31
n5
2.9510247826658E+39
2 √n
8851.1007789992
3 √n
427.88939589673
4 √n
94.080289003591
5 √n
37.91393963378
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78341984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78341985 can be divided by 8 positive divisors.
The sum of these divisors (counting 78341985) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101010110110011101100001
3
Ternary
12110102012000000
4
Quaternary
10222312131201
5
Quinary
130023420420
6
Senary
11435050213
8
Octal
452663541
10
Decimal
78341985
12
Duodecimal
222a0969
16
Hexadecimal
4ab6761
20
Vigesimal
149cej5
36
Base36
1an529
md5
1c34de42d23ac3ebac9fd894904f383c
sha1
3afb4f4e7c9ff016425bad6639e087d67dcc377e
sha256
83bb314814e3d78a223728c07cf7f9852aa2bba082882e848f11c416fbdfcdf2
sha512
27fee07dded9e648c1b1c0448c5fd502900997a19e3f920f20d42f215306662417495fb09e32ee5eb8574176d40034b9c28410c0d64462e97ab1690f2c9d5932
ripemd-160
eccd7cfa6464927f51d45107c076982b2e532e94
Diameter
156683970
Circumference
492237209.08728
Area
1.9281420025379E+16
Volume
2.0140596245426E+24
Surface area
7.7125680101516E+16
Circumference
492237209.08728
Perimeter
313367940
Area
6137466613740225
Diagonal
110792297.69023
Surface area
36824799682441350
Volume
4.8082131739164E+23
Space diagonal
135692298.3858
Perimeter
235025955
Area
2.6576010011889E+15
Altitude
67846149.192899
Surface area
2.6576010011889E+15
Volume
5.6665335677779E+22
Height
36930765.896743