78398973 is an odd 8-digits composite number following 78398972
and preceding 78398974 . In scientific notation, it is written as 7.8398973 × 10^7.
The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors.
There are 49993416 positive integers (up to 78398973) that are relatively prime to 78398973.
78398973 has 8 divisors, whose sum is 90897600
The reverse of 78398973 is 37989387
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
seventy-eight million three hundred ninety-eight thousand nine hundred seventy-three
Scientific notation
7.8398973 × 10^7
Engineering notation
7.8398973 × 10^6
Prime Factorization
9 × 23 × 378739
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78398973
Product of the distinct prime numbers
The prime factorization of 78398973 is 9 × 23 × 378739.
Since it has a total of 3 prime factors.
1 , 7 , 19 , 27 , 1000 , 644 , 7670 , 4078 , 74820 , 73137 , 201182 , 570208 , 2331510 , 6920876 , 3956783 , 61007044 , 758916435 , 219412458 , 1216044056 , 1555638955
n×2
156797946
n×3
235196919
n×4
313595892
n×5
391994865
n÷2
39199486.5
n÷3
26132991
n÷3
19599743.25
n÷5
15679794.6
n2
6146398967454729
n3
4.8187136669671E+23
n4
3.7778220267129E+31
n5
2.9617736707107E+39
2 √n
8854.319454368
3 √n
427.99312337919
4 √n
94.097393451509
5 √n
37.919453946914
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
-78398972
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 78398973 can be divided by 8 positive divisors.
The sum of these divisors (counting 78398973) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101011000100010111111101
3
Ternary
12110112002011200
4
Quaternary
10223010113331
5
Quinary
130032231343
6
Senary
11440210113
8
Octal
453042775
10
Decimal
78398973
12
Duodecimal
22309939
16
Hexadecimal
4ac45fd
20
Vigesimal
149jh8d
36
Base36
1aod19
md5
7a0f20b7dba9d6fbcf1153ad18c6b4fd
sha1
837031ec91957bbebc349df88dbf5d3e757929d4
sha256
fc4b7a87a47a67384080035caa38d0e8170a8640f35dbd99b50dd5252e149c78
sha512
396be3a0d53bff3c0ecaf8dd89c7a3806a67d97441ea03f2f1bc36f55c6185dc225b8ca91df8150408c83f7338ed8d5ae1880d6fac11ac045c2d5384844315d5
ripemd-160
98fe54eec4704ec75f560f9a57ec86902eb44fca
Diameter
156797946
Circumference
492595275.25157
Area
1.9309481842188E+16
Volume
2.0184580607862E+24
Surface area
7.7237927368751E+16
Circumference
492595275.25157
Perimeter
313595892
Area
6146398967454729
Diagonal
110872890.89272
Surface area
36878393804728374
Volume
4.8187136669671E+23
Space diagonal
135791004.49722
Perimeter
235196919
Area
2.6614688238051E+15
Altitude
67895502.24861
Surface area
2.6614688238051E+15
Volume
5.6789085175146E+22
Height
36957630.297574