78561321 is an odd 8-digits composite number following 78561320
and preceding 78561322 . In scientific notation, it is written as 7.8561321 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 52351152 positive integers (up to 78561321) that are relatively prime to 78561321.
78561321 has 8 divisors, whose sum is 104794560
The reverse of 78561321 is 12316587
Previous prime number is 3109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
seventy-eight million five hundred sixty-one thousand three hundred twenty-one
Scientific notation
7.8561321 × 10^7
Engineering notation
7.8561321 × 10^6
Prime Factorization
3 × 3109 × 8423
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78561321
Product of the distinct prime numbers
The prime factorization of 78561321 is 3 × 3109 × 8423.
Since it has a total of 3 prime factors.
2 , 3 , 60 , 69 , 653 , 563 , 8630 , 9610 , 81494 , 32928 , 126604 , 286581 , 60320 , 9735754 , 69993391 , 50199772 , 97997537 , 414592007 , 1941512464 , 3308371817
n×2
157122642
n×3
235683963
n×4
314245284
n×5
392806605
n÷2
39280660.5
n÷3
26187107
n÷3
19640330.25
n÷5
15712264.2
n2
6171881157265041
n3
4.8487113676975E+23
n4
3.8092117019403E+31
n5
2.9925670327309E+39
2 √n
8863.4824420202
3 √n
428.28834799692
4 √n
94.146069710956
5 √n
37.935145618269
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
-78561320
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 78561321 can be divided by 8 positive divisors.
The sum of these divisors (counting 78561321) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101011101100000000101001
3
Ternary
12110211022212120
4
Quaternary
10223230000221
5
Quinary
130102430241
6
Senary
11443501453
8
Octal
453540051
10
Decimal
78561321
12
Duodecimal
22387889
16
Hexadecimal
4aec029
20
Vigesimal
14b0361
36
Base36
1aruax
md5
ca4f33963a1536cf073cc31d17fb1c44
sha1
33abca2628c8e420ebe186ea627ab4f4e766c477
sha256
5614a0a34bc9f942d8385ffecfe392f6e51e1b5e822abec2c73fa24150c837a5
sha512
8290084f90f02a6a9f6acdd0134619327d6cfa21018cf52c6904f7b79c52714f87cc8563dc60873e71e8cf457e9658320cc3d9ece884e4988057909d2535d0c2
ripemd-160
0ae57ba7d0ecd92ffd97962c50ef09747f86423e
Diameter
157122642
Circumference
493615337.81982
Area
1.9389536502493E+16
Volume
2.0310234682848E+24
Surface area
7.7558146009972E+16
Circumference
493615337.81982
Perimeter
314245284
Area
6171881157265041
Diagonal
111102485.63615
Surface area
37031286943590246
Volume
4.8487113676975E+23
Space diagonal
136072199.48173
Perimeter
235683963
Area
2.672502935665E+15
Altitude
68036099.740864
Surface area
2.672502935665E+15
Volume
5.7142611468587E+22
Height
37034161.878715