78984986 is an even 8-digits composite number following 78984985
and preceding 78984987 . In scientific notation, it is written as 7.8984986 × 10^7.
The sum of its digits is 59. It has a total of 2 prime factors and 4 positive divisors.
There are 39492492 positive integers (up to 78984986) that are relatively prime to 78984986.
78984986 has 4 divisors, whose sum is 118477482
The reverse of 78984986 is 68948987
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 59
Digital Root 5
Name
seventy-eight million nine hundred eighty-four thousand nine hundred eighty-six
Scientific notation
7.8984986 × 10^7
Engineering notation
7.8984986 × 10^6
Prime Factorization
2 × 39492493
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78984986
Product of the distinct prime numbers
The prime factorization of 78984986 is 2 × 39492493.
Since it has a total of 2 prime factors.
6 , 2 , 86 , 20 , 983 , 998 , 3717 , 6840 , 90982 , 32231 , 279994 , 132568 , 6869591 , 3048740 , 38320536 , 38568263 , 974483142 , 728531827 , 9415959065 , 7604295110
n×2
157969972
n×3
236954958
n×4
315939944
n×5
394924930
n÷2
39492493
n÷3
26328328.666667
n÷3
19746246.5
n÷5
15796997.2
n2
6238628013420196
n3
4.927579462992E+23
n4
3.8920479489831E+31
n5
3.0741335276176E+39
2 √n
8887.3497736952
3 √n
429.05685841579
4 √n
94.272741413917
5 √n
37.975972926854
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
-78984985
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 78984986 can be divided by 4 positive divisors.
The sum of these divisors (counting 78984986) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101101010011011100011010
3
Ternary
12111121212000212
4
Quaternary
10231103130122
5
Quinary
130210004421
6
Senary
11500531122
8
Octal
455233432
10
Decimal
78984986
12
Duodecimal
22550aa2
16
Hexadecimal
4b5371a
20
Vigesimal
14dd296
36
Base36
1b0x7e
md5
b84583643602fa6b502090b772587883
sha1
16f2d6b177c1793b7acc73217eb6ab2e95f6ef89
sha256
b7e228b3604cbe9cd5abcefe30ff7c055792dd4541eb0d7710abc9fd0247cba0
sha512
a881df4d72cedbf637cc6dba997af2c7914a3e72d63e403ca9ad0a7f0e041fae50c1813e616e069bb33494a95f5c00d563626c1ea029e5fbce06c8f337de333d
ripemd-160
3ee4bbb48bcf3a94090a765674df29f96d22ab57
Diameter
157969972
Circumference
496277303.52299
Area
1.959922793544E+16
Volume
2.0640596587888E+24
Surface area
7.8396911741761E+16
Circumference
496277303.52299
Perimeter
315939944
Area
6238628013420196
Diagonal
111701638.42505
Surface area
37431768080521176
Volume
4.927579462992E+23
Space diagonal
136806008.78712
Perimeter
236954958
Area
2.7014051721916E+15
Altitude
68403004.393558
Surface area
2.7014051721916E+15
Volume
5.8072080885287E+22
Height
37233879.475016