78394893 is an odd 8-digits composite number following 78394892
and preceding 78394894 . In scientific notation, it is written as 7.8394893 × 10^7.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 48671280 positive integers (up to 78394893) that are relatively prime to 78394893.
78394893 has 8 divisors, whose sum is 81125760
The reverse of 78394893 is 39849387
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
seventy-eight million three hundred ninety-four thousand eight hundred ninety-three
Scientific notation
7.8394893 × 10^7
Engineering notation
7.8394893 × 10^6
Prime Factorization
57 × 59 × 23311
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78394893
Product of the distinct prime numbers
The prime factorization of 78394893 is 57 × 59 × 23311.
Since it has a total of 3 prime factors.
5 , 2 , 59 , 4 , 128 , 556 , 7752 , 9089 , 94815 , 89327 , 153816 , 434556 , 3347268 , 9107136 , 32435353 , 91737770 , 635688788 , 893371760 , 1983383771 , 7471649478
n×2
156789786
n×3
235184679
n×4
313579572
n×5
391974465
n÷2
39197446.5
n÷3
26131631
n÷3
19598723.25
n÷5
15678978.6
n2
6145759248481449
n3
4.8179613868846E+23
n4
3.7770356740295E+31
n5
2.9610030752273E+39
2 √n
8854.0890553461
3 √n
427.98569878263
4 √n
94.096169185287
5 √n
37.91905926166
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
-78394892
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 78394893 can be divided by 8 positive divisors.
The sum of these divisors (counting 78394893) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101011000011011000001101
3
Ternary
12110111212120120
4
Quaternary
10223003120031
5
Quinary
130032114033
6
Senary
11440135153
8
Octal
453033015
10
Decimal
78394893
12
Duodecimal
223074b9
16
Hexadecimal
4ac360d
20
Vigesimal
149j74d
36
Base36
1ao9vx
md5
2fe284271b2c899819b696c73764b8c8
sha1
d1739bda82a5ef2b6196fdc13ba08724e84babf0
sha256
930e81ee90bd7af469911fd9c0bee38d4f6c7c127e4bbe06d1aaa3ba1e5d16ed
sha512
9254dca555b6654501b7fe3e4d82d8e4760b9e195b8e1cd73fcaf3752e896c695234cb5e1b5e3ce5861e4a3ef77ae071dede3ec60b4888ae0057427d353c9ca8
ripemd-160
e95b9297de02462848be31d58dd627d221a1266e
Diameter
156789786
Circumference
492569639.85552
Area
1.9307472105761E+16
Volume
2.0181429464421E+24
Surface area
7.7229888423043E+16
Circumference
492569639.85552
Perimeter
313579572
Area
6145759248481449
Diagonal
110867120.90139
Surface area
36874555490888694
Volume
4.8179613868846E+23
Space diagonal
135783937.72993
Perimeter
235184679
Area
2.661191817364E+15
Altitude
67891968.864963
Surface area
2.661191817364E+15
Volume
5.6780219469351E+22
Height
36955706.967129