78889438 is an even 8-digits composite number following 78889437
and preceding 78889439 . In scientific notation, it is written as 7.8889438 × 10^7.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 39244296 positive integers (up to 78889438) that are relatively prime to 78889438.
78889438 has 8 divisors, whose sum is 118935432
The reverse of 78889438 is 83498887
Previous prime number is 197
Is Prime? no
Number parity even
Number length 8
Sum of Digits 55
Digital Root 1
Name
seventy-eight million eight hundred eighty-nine thousand four hundred thirty-eight
Scientific notation
7.8889438 × 10^7
Engineering notation
7.8889438 × 10^6
Prime Factorization
2 × 197 × 200227
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78889438
Product of the distinct prime numbers
The prime factorization of 78889438 is 2 × 197 × 200227.
Since it has a total of 3 prime factors.
6 , 5 , 42 , 81 , 82 , 909 , 6766 , 6951 , 83690 , 32039 , 155855 , 386521 , 2880420 , 1608157 , 76334323 , 87162714 , 456707780 , 947369479 , 6593431769 , 6003326484
n×2
157778876
n×3
236668314
n×4
315557752
n×5
394447190
n÷2
39444719
n÷3
26296479.333333
n÷3
19722359.5
n÷5
15777887.6
n2
6223543427955844
n3
4.9097184340003E+23
n4
3.8732492799652E+31
n5
3.0555845893036E+39
2 √n
8881.9726412549
3 √n
428.88377882754
4 √n
94.244218078643
5 √n
37.966780584131
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78889437
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78889438 can be divided by 8 positive divisors.
The sum of these divisors (counting 78889438) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101100111100000111011110
3
Ternary
12111102222222001
4
Quaternary
10230330013132
5
Quinary
130143430223
6
Senary
11454512514
8
Octal
454740736
10
Decimal
78889438
12
Duodecimal
2250573a
16
Hexadecimal
4b3c1de
20
Vigesimal
14d13bi
36
Base36
1ayvha
md5
bd64d7b863bc86c28362bcf5dfaf77a4
sha1
4737af2c32f18b3aaa54bbe7e4f97e3e4d7d0425
sha256
d8337ac6fc738cb794477fb0f9c1e4b29d2bd87996fc49bbee2147a34c1e2492
sha512
3343ead5da83ed821c6bf7416a9c87d39d555994d50916d2872631664d099afc28c480f154c42b3f725039ce4594d15175d3bbabffa39bebf8d6e6e702a5347b
ripemd-160
c7e699ad31076e99ab0265631e7b904dadb95ba5
Diameter
157778876
Circumference
495676957.73325
Area
1.9551838312563E+16
Volume
2.05657804846E+24
Surface area
7.8207353250252E+16
Circumference
495676957.73325
Perimeter
315557752
Area
6223543427955844
Diagonal
111566513.14759
Surface area
37341260567735064
Volume
4.9097184340003E+23
Space diagonal
136640514.79655
Perimeter
236668314
Area
2.6948733550827E+15
Altitude
68320257.398277
Surface area
2.6948733550827E+15
Volume
5.786158663997E+22
Height
37188837.715864