78905025 is an odd 8-digits composite number following 78905024
and preceding 78905026 . In scientific notation, it is written as 7.8905025 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 41385600 positive integers (up to 78905025) that are relatively prime to 78905025.
78905025 has 16 divisors, whose sum is 92690000
The reverse of 78905025 is 52050987
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-eight million nine hundred five thousand twenty-five
Scientific notation
7.8905025 × 10^7
Engineering notation
7.8905025 × 10^6
Prime Factorization
9 × 25 × 61 × 5749
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78905025
Product of the distinct prime numbers
The prime factorization of 78905025 is 9 × 25 × 61 × 5749.
Since it has a total of 4 prime factors.
8 , 7 , 32 , 62 , 61 , 192 , 511 , 263 , 14431 , 37747 , 706183 , 387754 , 729519 , 1054756 , 68415700 , 31313648 , 162605689 , 484776912 , 3513721571 , 2585913787
n×2
157810050
n×3
236715075
n×4
315620100
n×5
394525125
n÷2
39452512.5
n÷3
26301675
n÷3
19726256.25
n÷5
15781005
n2
6226002970250625
n3
4.912629200177E+23
n4
3.876311298557E+31
n5
3.0586043992042E+39
2 √n
8882.8500493929
3 √n
428.91202329812
4 √n
94.248872934338
5 √n
37.968280763266
1 , 9 , 25 , 61 , 225 , 549 , 1525 , 5749 , 13725 , 51741 , 143725 , 350689 , 1293525 , 3156201 , 8767225 , 78905025
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78905024
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78905025 can be divided by 16 positive divisors.
The sum of these divisors (counting 78905025) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101100111111111011000001
3
Ternary
12111110210100100
4
Quaternary
10230333323001
5
Quinary
130144430100
6
Senary
11455113013
8
Octal
454777301
10
Decimal
78905025
12
Duodecimal
22512769
16
Hexadecimal
4b3fec1
20
Vigesimal
14d32b5
36
Base36
1az7i9
md5
cec43553f6c2263fd83e17de1cbe73c6
sha1
ad052d3286ef2a46aa901f4da84b69981e50cfb0
sha256
bb71e7a63190fda1bfd9bc2934512b28cde4499055c1999add248f520c623167
sha512
25ae165bb7fac049b2264e570d03e6b144b14da5f91ace218267b0a35ec188855b72ef9d7158aaede1275f7f39d213aa83286adf93f78b19ce30f6270c7d3a5f
ripemd-160
71e8e42d0af2821efdd8a9cdd0b72c78ed386357
Diameter
157810050
Circumference
495774893.74264
Area
1.9559565192568E+16
Volume
2.0577973073449E+24
Surface area
7.823826077027E+16
Circumference
495774893.74264
Perimeter
315620100
Area
6226002970250625
Diagonal
111588556.49439
Surface area
37356017821503750
Volume
4.912629200177E+23
Space diagonal
136667512.27249
Perimeter
236715075
Area
2.6959383681372E+15
Altitude
68333756.136246
Surface area
2.6959383681372E+15
Volume
5.7895890348337E+22
Height
37196185.498129