78839642 is an even 8-digits composite number following 78839641
and preceding 78839643 . In scientific notation, it is written as 7.8839642 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 31800768 positive integers (up to 78839642) that are relatively prime to 78839642.
78839642 has 16 divisors, whose sum is 143104320
The reverse of 78839642 is 24693887
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
seventy-eight million eight hundred thirty-nine thousand six hundred forty-two
Scientific notation
7.8839642 × 10^7
Engineering notation
7.8839642 × 10^6
Prime Factorization
2 × 7 × 17 × 331259
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78839642
Product of the distinct prime numbers
The prime factorization of 78839642 is 2 × 7 × 17 × 331259.
Since it has a total of 4 prime factors.
4 , 3 , 14 , 45 , 742 , 747 , 3905 , 2278 , 22596 , 99747 , 811554 , 150791 , 7072204 , 500395 , 87217374 , 2153946 , 378048643 , 872176905 , 7969005469 , 8347481299
n×2
157679284
n×3
236518926
n×4
315358568
n×5
394198210
n÷2
39419821
n÷3
26279880.666667
n÷3
19709910.5
n÷5
15767928.4
n2
6215689150688164
n3
4.9004270742354E+23
n4
3.8634791617983E+31
n5
3.0459531399063E+39
2 √n
8879.1689926479
3 √n
428.79352089903
4 √n
94.229342524757
5 √n
37.961986352149
1 , 2 , 7 , 14 , 17 , 34 , 119 , 238 , 331259 , 662518 , 2318813 , 4637626 , 5631403 , 11262806 , 39419821 , 78839642
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78839641
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78839642 can be divided by 16 positive divisors.
The sum of these divisors (counting 78839642) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101100101111111101011010
3
Ternary
12111100110122202
4
Quaternary
10230233331122
5
Quinary
130140332032
6
Senary
11453450202
8
Octal
454577532
10
Decimal
78839642
12
Duodecimal
224a0962
16
Hexadecimal
4b2ff5a
20
Vigesimal
14cej22
36
Base36
1axt22
md5
645df59ca2b025fa39c456e25ddb21e3
sha1
90cdbcef7eae917eb36e4fcb2ecd401c6aae1f7d
sha256
e251d536d9e8d0b37f5ef91c27b963f6a4481830ed429892a4bc77efe5178cec
sha512
04c78632f9fd48b23987d3e3efd15d6c794f6540e102eea5cb8165c19ee168ddcdcc734c2866dd7d0cec8a5cbaa51304bb2cded658985d1ebec4bdffef9fc6f9
ripemd-160
02cc1f3f298c8a1e554e207bdd37126d7a929d80
Diameter
157679284
Circumference
495364080.2377
Area
1.95271633728E+16
Volume
2.0526860927827E+24
Surface area
7.8108653491199E+16
Circumference
495364080.2377
Perimeter
315358568
Area
6215689150688164
Diagonal
111496090.96904
Surface area
37294134904128984
Volume
4.9004270742354E+23
Space diagonal
136554265.59454
Perimeter
236518926
Area
2.6914723532616E+15
Altitude
68277132.797271
Surface area
2.6914723532616E+15
Volume
5.7752086915033E+22
Height
37165363.656346