78538897 is an odd 8-digits composite number following 78538896
and preceding 78538898 . In scientific notation, it is written as 7.8538897 × 10^7.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 78509236 positive integers (up to 78538897) that are relatively prime to 78538897.
78538897 has 4 divisors, whose sum is 78568560
The reverse of 78538897 is 79883587
Previous prime number is 2939
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
seventy-eight million five hundred thirty-eight thousand eight hundred ninety-seven
Scientific notation
7.8538897 × 10^7
Engineering notation
7.8538897 × 10^6
Prime Factorization
2939 × 26723
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78538897
Product of the distinct prime numbers
The prime factorization of 78538897 is 2939 × 26723.
Since it has a total of 2 prime factors.
2 , 7 , 15 , 6 , 329 , 68 , 7230 , 9590 , 21474 , 7117 , 733877 , 324403 , 2626974 , 2629117 , 53427890 , 92386294 , 341276051 , 304087814 , 5368558462 , 6001407514
n×2
157077794
n×3
235616691
n×4
314155588
n×5
392694485
n÷2
39269448.5
n÷3
26179632.333333
n÷3
19634724.25
n÷5
15707779.4
n2
6168358341976609
n3
4.8445606047959E+23
n4
3.8048644635032E+31
n5
2.9882985819804E+39
2 √n
8862.217386185
3 √n
428.24759489815
4 √n
94.139350891033
5 √n
37.932979781866
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
-78538896
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 78538897 can be divided by 4 positive divisors.
The sum of these divisors (counting 78538897) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101011100110100010010001
3
Ternary
12110210012010001
4
Quaternary
10223212202101
5
Quinary
130101221042
6
Senary
11443210001
8
Octal
453464221
10
Decimal
78538897
12
Duodecimal
22376901
16
Hexadecimal
4ae6891
20
Vigesimal
14ah74h
36
Base36
1ard01
md5
696ae65750cb0369e392de81ebecfe4f
sha1
7ea38d518ead1a3041554717fa0f5e0837336a3c
sha256
6909305fc6a08a7efb33b56fcc42dd00998dd0b54bcb862eb8c84ccabc5b78a9
sha512
d99034e6cfd5d34fe5ac4b9ed6d7125a2a28a33f820802842ac427dee039b867620e48dc61f0e557ad3eab94d545875b77093748474afef81403d8a94fd08be1
ripemd-160
ea8c60f8f2956e1e34a6ef467e1c31c64e9563cf
Diameter
157077794
Circumference
493474443.67249
Area
1.9378469251863E+16
Volume
2.0292848007863E+24
Surface area
7.7513877007452E+16
Circumference
493474443.67249
Perimeter
314155588
Area
6168358341976609
Diagonal
111070773.31122
Surface area
37010150051859654
Volume
4.8445606047959E+23
Space diagonal
136033359.97442
Perimeter
235616691
Area
2.6709775118987E+15
Altitude
68016679.987209
Surface area
2.6709775118987E+15
Volume
5.7093694258673E+22
Height
37023591.103741