78840394 is an even 8-digits composite number following 78840393
and preceding 78840395 . In scientific notation, it is written as 7.8840394 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 39420196 positive integers (up to 78840394) that are relatively prime to 78840394.
78840394 has 4 divisors, whose sum is 118260594
The reverse of 78840394 is 49304887
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-eight million eight hundred forty thousand three hundred ninety-four
Scientific notation
7.8840394 × 10^7
Engineering notation
7.8840394 × 10^6
Prime Factorization
2 × 39420197
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78840394
Product of the distinct prime numbers
The prime factorization of 78840394 is 2 × 39420197.
Since it has a total of 2 prime factors.
6 , 7 , 83 , 64 , 833 , 638 , 4147 , 8143 , 58955 , 81484 , 181838 , 570231 , 6615458 , 3112496 , 59016571 , 16004143 , 705407028 , 463470592 , 800327936 , 6771876574
n×2
157680788
n×3
236521182
n×4
315361576
n×5
394201970
n÷2
39420197
n÷3
26280131.333333
n÷3
19710098.5
n÷5
15768078.8
n2
6215807726075236
n3
4.9005673015202E+23
n4
3.8636265687537E+31
n5
3.0460984094941E+39
2 √n
8879.2113388521
3 √n
428.79488422208
4 √n
94.229567222036
5 √n
37.962058770806
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
-78840393
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 78840394 can be divided by 4 positive divisors.
The sum of these divisors (counting 78840394) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101100110000001001001010
3
Ternary
12111100111200121
4
Quaternary
10230300021022
5
Quinary
130140343034
6
Senary
11453453454
8
Octal
454601112
10
Decimal
78840394
12
Duodecimal
224a128a
16
Hexadecimal
4b3024a
20
Vigesimal
14cf0je
36
Base36
1axtmy
md5
cee7d06b6fdb8f45d09659a49779bd8c
sha1
0ac043d1f90e64ca1522afca5b6d2a15254b226b
sha256
8eba4c4cc397089f2a7b28555cc169f68b971fa4be39c8adb8d296b5f2b11941
sha512
550650a01cdb059e38f8d1f5b9825dd1ee53aa8a5ff3e813c940dbb614f4ddcd2bef0ddf824c0b112d43d6cd6a4e2cf96f402bf550e13e5cd820dd7d2c88e14d
ripemd-160
294fdfd278295ee87379e9cb9369e328a1822a09
Diameter
157680788
Circumference
495368805.19305
Area
1.9527535888365E+16
Volume
2.0527448310504E+24
Surface area
7.8110143553459E+16
Circumference
495368805.19305
Perimeter
315361576
Area
6215807726075236
Diagonal
111497154.45764
Surface area
37294846356451416
Volume
4.9005673015202E+23
Space diagonal
136555568.09675
Perimeter
236521182
Area
2.6915236979104E+15
Altitude
68277784.048374
Surface area
2.6915236979104E+15
Volume
5.7753739509433E+22
Height
37165718.152546