78984989 is an odd 8-digits prime number following 78984988
and preceding 78984990 . In scientific notation, it is written as 7.8984989 × 10^7.
The sum of its digits is 62. It has a total of 1 prime factors and 2 positive divisors.
There are 78984988 positive integers (up to 78984989) that are relatively prime to 78984989.
78984989 has 2 divisors, whose sum is 78984990
The reverse of 78984989 is 98948987
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 62
Digital Root 8
Name
seventy-eight million nine hundred eighty-four thousand nine hundred eighty-nine
Scientific notation
7.8984989 × 10^7
Engineering notation
7.8984989 × 10^6
Prime Factorization
78984989
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
78984989
Product of the distinct prime numbers
The prime factorization of 78984989 is 78984989.
Since it has a total of 1 prime factors.
5 , 2 , 94 , 84 , 478 , 37 , 7741 , 3626 , 88509 , 11038 , 902119 , 266116 , 6350823 , 1649973 , 38613537 , 66784318 , 667987139 , 426846664 , 8553180677 , 260507855
n×2
157969978
n×3
236954967
n×4
315939956
n×5
394924945
n÷2
39492494.5
n÷3
26328329.666667
n÷3
19746247.25
n÷5
15796997.8
n2
6238628487330121
n3
4.9275800244686E+23
n4
3.8920485402927E+31
n5
3.0741341114248E+39
2 √n
8887.3499424744
3 √n
429.05686384792
4 √n
94.272742309081
5 √n
37.975973215334
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
78984990
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
39492495
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8887.3499987342
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999746787
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78984989 can be divided by 2 positive divisors.
The sum of these divisors (counting 78984989) is 78984990, the average is 39492495.
Base
System
Value
2
Binary
100101101010011011100011101
3
Ternary
12111121212000222
4
Quaternary
10231103130131
5
Quinary
130210004424
6
Senary
11500531125
8
Octal
455233435
10
Decimal
78984989
12
Duodecimal
22550aa5
16
Hexadecimal
4b5371d
20
Vigesimal
14dd299
36
Base36
1b0x7h
md5
fe89eef547bf8ceecc0b1fc767455fd2
sha1
c44d67c322d1effd58fbdd15c3531be3cf738c03
sha256
d2bcc2d56cc0c78251e82d7e87a46766870cba0cc0d9dd78ee7a714eb7ddbcd5
sha512
39676ca53d7dfc41f207db20cbd9ab5cc412607c55db145a7a0eab8355cbcc95c916830250a98ddd3a6b7788eb9a4dd25220ab1188937a228b9296c94d77f33d
ripemd-160
8369091e3623daffeb221cd850cbbdc98f22d848
Diameter
157969978
Circumference
496277322.37254
Area
1.9599229424272E+16
Volume
2.0640598939795E+24
Surface area
7.8396917697089E+16
Circumference
496277322.37254
Perimeter
315939956
Area
6238628487330121
Diagonal
111701642.66769
Surface area
37431770923980726
Volume
4.9275800244686E+23
Space diagonal
136806013.98327
Perimeter
236954967
Area
2.7014053774006E+15
Altitude
68403006.991634
Surface area
2.7014053774006E+15
Volume
5.8072087502352E+22
Height
37233880.88923