78904889 is an odd 8-digits composite number following 78904888
and preceding 78904890 . In scientific notation, it is written as 7.8904889 × 10^7.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 64331280 positive integers (up to 78904889) that are relatively prime to 78904889.
78904889 has 8 divisors, whose sum is 90240960
The reverse of 78904889 is 98840987
Previous prime number is 1829
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
seventy-eight million nine hundred four thousand eight hundred eighty-nine
Scientific notation
7.8904889 × 10^7
Engineering notation
7.8904889 × 10^6
Prime Factorization
7 × 1829 × 6163
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78904889
Product of the distinct prime numbers
The prime factorization of 78904889 is 7 × 1829 × 6163.
Since it has a total of 3 prime factors.
3 , 7 , 73 , 40 , 162 , 625 , 5550 , 7961 , 72428 , 28124 , 180043 , 871611 , 3466442 , 396821 , 44726333 , 38191179 , 963355992 , 180390595 , 3508366063 , 3662395378
n×2
157809778
n×3
236714667
n×4
315619556
n×5
394524445
n÷2
39452444.5
n÷3
26301629.666667
n÷3
19726222.25
n÷5
15780977.8
n2
6225981508102321
n3
4.9126037981287E+23
n4
3.8762845739232E+31
n5
3.0585780403782E+39
2 √n
8882.8423941889
3 √n
428.911776875
4 √n
94.248832322681
5 √n
37.968267674898
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
-78904888
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 78904889 can be divided by 8 positive divisors.
The sum of these divisors (counting 78904889) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101100111111111000111001
3
Ternary
12111110210011022
4
Quaternary
10230333320321
5
Quinary
130144424024
6
Senary
11455112225
8
Octal
454777071
10
Decimal
78904889
12
Duodecimal
22512675
16
Hexadecimal
4b3fe39
20
Vigesimal
14d3249
36
Base36
1az7eh
md5
5469ad6ba4605ea36ffdb12540ec4fbb
sha1
c8b624dc0b913ffab556ba2416711f9f5a9ce307
sha256
028b3b30038b14b607fddcc9416e8747b7794f4da70828bc6d38f2e23104e4d3
sha512
1525cd87daadbd41f533b29f2b76797e0ac9e785d20d32c3d936cd531c25af2bd8eeb76d91388a96763f79dc03f4e6968421033110b3c8101bc193ba1effd56c
ripemd-160
ffd2a6aac839da588abc90a14531e86ab00fa2d0
Diameter
157809778
Circumference
495774039.22944
Area
1.955949776724E+16
Volume
2.0577866669598E+24
Surface area
7.8237991068961E+16
Circumference
495774039.22944
Perimeter
315619556
Area
6225981508102321
Diagonal
111588364.16134
Surface area
37355889048613926
Volume
4.9126037981287E+23
Space diagonal
136667276.71358
Perimeter
236714667
Area
2.6959290747544E+15
Altitude
68333638.356791
Surface area
2.6959290747544E+15
Volume
5.7895590982326E+22
Height
37196121.387115