78804921 is an odd 8-digits composite number following 78804920
and preceding 78804922 . In scientific notation, it is written as 7.8804921 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 48364800 positive integers (up to 78804921) that are relatively prime to 78804921.
78804921 has 8 divisors, whose sum is 81043200
The reverse of 78804921 is 12940887
Previous prime number is 401
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-eight million eight hundred four thousand nine hundred twenty-one
Scientific notation
7.8804921 × 10^7
Engineering notation
7.8804921 × 10^6
Prime Factorization
39 × 401 × 5039
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78804921
Product of the distinct prime numbers
The prime factorization of 78804921 is 39 × 401 × 5039.
Since it has a total of 3 prime factors.
1 , 7 , 35 , 43 , 980 , 12 , 9740 , 3942 , 62905 , 53329 , 231985 , 531650 , 9656203 , 7681398 , 74589014 , 76347371 , 611857136 , 927370492 , 6854635711 , 4439832050
n×2
157609842
n×3
236414763
n×4
315219684
n×5
394024605
n÷2
39402460.5
n÷3
26268307
n÷3
19701230.25
n÷5
15760984.2
n2
6210215573816241
n3
4.8939554768756E+23
n4
3.856677747327E+31
n5
3.0392518520056E+39
2 √n
8877.2135831014
3 √n
428.73056472801
4 √n
94.218966153856
5 √n
37.958642069124
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
-78804920
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 78804921 can be divided by 8 positive divisors.
The sum of these divisors (counting 78804921) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101100100111011110111001
3
Ternary
12111021201000210
4
Quaternary
10230213132321
5
Quinary
130133224141
6
Senary
11453021333
8
Octal
454473671
10
Decimal
78804921
12
Duodecimal
22484849
16
Hexadecimal
4b277b9
20
Vigesimal
14cac61
36
Base36
1ax29l
md5
1842d15ad2889640140c29a8cb9a6ef1
sha1
c84f57055e303ef310105c47529895106782bdaa
sha256
b17925b797d886ee12761d94d0b5b290e4ab698f7b116c818810dcf6ab14fede
sha512
09f904e7ec5dc68280ea036ed9913d9b0eca951a922b7e0909a933446c13355da4d14d5635f7e3a9bb35703afa1e3150a74829f89537c52f39ba5391c7101db3
ripemd-160
1c85a4c9c9a84597e8ee24b6320676b3a0a37eec
Diameter
157609842
Circumference
495145921.76065
Area
1.950996762391E+16
Volume
2.0499752764197E+24
Surface area
7.803987049564E+16
Circumference
495145921.76065
Perimeter
315219684
Area
6210215573816241
Diagonal
111446988.05994
Surface area
37261293442897446
Volume
4.8939554768756E+23
Space diagonal
136494127.05845
Perimeter
236414763
Area
2.6891022249513E+15
Altitude
68247063.529226
Surface area
2.6891022249513E+15
Volume
5.767581840873E+22
Height
37148996.01998