78397321 is an odd 8-digits composite number following 78397320
and preceding 78397322 . In scientific notation, it is written as 7.8397321 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 78164352 positive integers (up to 78397321) that are relatively prime to 78397321.
78397321 has 4 divisors, whose sum is 78630292
The reverse of 78397321 is 12379387
Previous prime number is 337
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
seventy-eight million three hundred ninety-seven thousand three hundred twenty-one
Scientific notation
7.8397321 × 10^7
Engineering notation
7.8397321 × 10^6
Prime Factorization
337 × 232633
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78397321
Product of the distinct prime numbers
The prime factorization of 78397321 is 337 × 232633.
Since it has a total of 2 prime factors.
4 , 4 , 71 , 52 , 655 , 501 , 2468 , 7415 , 30411 , 12881 , 364486 , 325292 , 4093034 , 4782541 , 81290204 , 72797914 , 234356908 , 865003824 , 6971205225 , 7047105959
n×2
156794642
n×3
235191963
n×4
313589284
n×5
391986605
n÷2
39198660.5
n÷3
26132440.333333
n÷3
19599330.25
n÷5
15679464.2
n2
6146139939977041
n3
4.818409057853E+23
n4
3.7775036161781E+31
n5
2.9614616357618E+39
2 √n
8854.2261660746
3 √n
427.99011717652
4 √n
94.096897749472
5 √n
37.91929414006
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78397320
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78397321 can be divided by 4 positive divisors.
The sum of these divisors (counting 78397321) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101011000011111110001001
3
Ternary
12110111222220111
4
Quaternary
10223003332021
5
Quinary
130032203241
6
Senary
11440154321
8
Octal
453037611
10
Decimal
78397321
12
Duodecimal
223089a1
16
Hexadecimal
4ac3f89
20
Vigesimal
149jd61
36
Base36
1aobrd
md5
eac8222e26b3daf65619ccb97435bbce
sha1
67e4fb01576689219a0aaf01ea11f9724d176caa
sha256
6fea39a86ea2ceb97cb81fe77f9a6c36b3f33ed3c5841920cf7d8bba188128bf
sha512
f9a8bf2c643ee294834f83b7b94a3a43b81f6a0e5718bc92f7fa6ab5ecbc1746f3fff4bd8f2fe4303b9e0bb849bdd57403b4ae3520e9039fe895bdb830224d15
ripemd-160
dee9fa5785d333476704e78e5c4118e2509b0e3e
Diameter
156794642
Circumference
492584895.42944
Area
1.9308668083367E+16
Volume
2.0183304664189E+24
Surface area
7.7234672333467E+16
Circumference
492584895.42944
Perimeter
313589284
Area
6146139939977041
Diagonal
110870554.61192
Surface area
36876839639862246
Volume
4.818409057853E+23
Space diagonal
135788143.14929
Perimeter
235191963
Area
2.6613566616171E+15
Altitude
67894071.574643
Surface area
2.6613566616171E+15
Volume
5.6785495322309E+22
Height
36956851.537306