78339987 is an odd 8-digits composite number following 78339986
and preceding 78339988 . In scientific notation, it is written as 7.8339987 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 47196000 positive integers (up to 78339987) that are relatively prime to 78339987.
78339987 has 16 divisors, whose sum is 89155584
The reverse of 78339987 is 78993387
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
seventy-eight million three hundred thirty-nine thousand nine hundred eighty-seven
Scientific notation
7.8339987 × 10^7
Engineering notation
7.8339987 × 10^6
Prime Factorization
11 × 27 × 191 × 1381
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78339987
Product of the distinct prime numbers
The prime factorization of 78339987 is 11 × 27 × 191 × 1381.
Since it has a total of 4 prime factors.
5 , 4 , 47 , 61 , 172 , 551 , 1844 , 9719 , 10060 , 55234 , 581949 , 179413 , 7007764 , 7874769 , 26158685 , 29333040 , 273131909 , 157081019 , 9438961599 , 7318123337
n×2
156679974
n×3
235019961
n×4
313359948
n×5
391699935
n÷2
39169993.5
n÷3
26113329
n÷3
19584996.75
n÷5
15667997.4
n2
6137153563160169
n3
4.8078453035497E+23
n4
3.766465385781E+31
n5
2.9506484935803E+39
2 √n
8850.9879109623
3 √n
427.88575829729
4 √n
94.079689152135
5 √n
37.913746243674
1 , 11 , 27 , 191 , 297 , 1381 , 2101 , 5157 , 15191 , 37287 , 56727 , 263771 , 410157 , 2901481 , 7121817 , 78339987
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
-78339986
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 78339987 can be divided by 16 positive divisors.
The sum of these divisors (counting 78339987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101010110101111110010011
3
Ternary
12110102002021000
4
Quaternary
10222311332103
5
Quinary
130023334422
6
Senary
11435033043
8
Octal
452657623
10
Decimal
78339987
12
Duodecimal
2229b783
16
Hexadecimal
4ab5f93
20
Vigesimal
149c9j7
36
Base36
1an3ir
md5
41d9fd0b9365e45218607c6493414817
sha1
a93756319cbd63a942e11b4e5575f024e59851bb
sha256
c45215c0e8675423add45655387366132977d15c0186d47b45d9fb4d5806413c
sha512
91ed989b7bdbfe5f58513602d15215dc94ac5f7ea9413045b29864665177f2678b8d1c8226a33c929b808ce582cf8593f6e1f3407853068b0a8f6e37b0c27ee7
ripemd-160
819650a7b3b5e739382bd49820f4f669d9315f3d
Diameter
156679974
Circumference
492224655.28304
Area
1.9280436547976E+16
Volume
2.0139055313637E+24
Surface area
7.7121746191906E+16
Circumference
492224655.28304
Perimeter
313359948
Area
6137153563160169
Diagonal
110789472.09153
Surface area
36822921378961014
Volume
4.8078453035497E+23
Space diagonal
135688837.74829
Perimeter
235019961
Area
2.6574654463114E+15
Altitude
67844418.874143
Surface area
2.6574654463114E+15
Volume
5.6661000283932E+22
Height
36929824.030511