78986989 is an odd 8-digits prime number following 78986988
and preceding 78986990 . In scientific notation, it is written as 7.8986989 × 10^7.
The sum of its digits is 64. It has a total of 1 prime factors and 2 positive divisors.
There are 78986988 positive integers (up to 78986989) that are relatively prime to 78986989.
78986989 has 2 divisors, whose sum is 78986990
The reverse of 78986989 is 98968987
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 64
Digital Root 1
Name
seventy-eight million nine hundred eighty-six thousand nine hundred eighty-nine
Scientific notation
7.8986989 × 10^7
Engineering notation
7.8986989 × 10^6
Prime Factorization
78986989
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
78986989
Product of the distinct prime numbers
The prime factorization of 78986989 is 78986989.
Since it has a total of 1 prime factors.
3 , 4 , 58 , 53 , 140 , 785 , 7211 , 6761 , 76717 , 93402 , 142957 , 514260 , 6483562 , 393146 , 88297298 , 37720561 , 112299965 , 937642708 , 1359412555 , 3517127979
n×2
157973978
n×3
236960967
n×4
315947956
n×5
394934945
n÷2
39493494.5
n÷3
26328996.333333
n÷3
19746747.25
n÷5
15797397.8
n2
6238944431286121
n3
4.9279543516561E+23
n4
3.8924427616676E+31
n5
3.0745233359897E+39
2 √n
8887.4624612428
3 √n
429.0604852385
4 √n
94.273339079736
5 √n
37.976165533338
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
78986990
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
39493495
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8887.4625175018
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999746794
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78986989 can be divided by 2 positive divisors.
The sum of these divisors (counting 78986989) is 78986990, the average is 39493495.
Base
System
Value
2
Binary
100101101010011111011101101
3
Ternary
12111121221210001
4
Quaternary
10231103323231
5
Quinary
130210040424
6
Senary
11500544301
8
Octal
455237355
10
Decimal
78986989
12
Duodecimal
22552091
16
Hexadecimal
4b53eed
20
Vigesimal
14dd799
36
Base36
1b0yr1
md5
712eecc3a1f8440b1142057bf3431f02
sha1
05a0d06e5e19e537c1412abdba3a94c33d69ff1c
sha256
eb2e3695a514936f76f5e12312ef9afacacf45d08ac97ce84c2dfc971cb44dab
sha512
5cde062c9617bbf360fab5b03bbd52cef8b72c29b0614b92f1731a9c780b90f08dd4aacb496b3ec68d5a758fe24852593b7aa61246e280afdcd9afa8a422ce4a
ripemd-160
0422420fda1c091d46338456cfc791c897a8036c
Diameter
157973978
Circumference
496289888.74316
Area
1.9600221991483E+16
Volume
2.0642166917851E+24
Surface area
7.8400887965934E+16
Circumference
496289888.74316
Perimeter
315947956
Area
6238944431286121
Diagonal
111704471.09481
Surface area
37433666587716726
Volume
4.9279543516561E+23
Space diagonal
136809478.08488
Perimeter
236960967
Area
2.7015421851466E+15
Altitude
68404739.042442
Surface area
2.7015421851466E+15
Volume
5.8076498990563E+22
Height
37234823.698271