78449745 is an odd 8-digits composite number following 78449744
and preceding 78449746 . In scientific notation, it is written as 7.8449745 × 10^7.
The sum of its digits is 48. It has a total of 5 prime factors and 24 positive divisors.
There are 38035360 positive integers (up to 78449745) that are relatively prime to 78449745.
78449745 has 24 divisors, whose sum is 137971008
The reverse of 78449745 is 54794487
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
seventy-eight million four hundred forty-nine thousand seven hundred forty-five
Scientific notation
7.8449745 × 10^7
Engineering notation
7.8449745 × 10^6
Prime Factorization
3 × 5 × 11 × 11 × 43223
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7131795
Product of the distinct prime numbers
The prime factorization of 78449745 is 3 × 5 × 11 × 11 × 43223.
Since it has a total of 5 prime factors.
7 , 5 , 19 , 30 , 864 , 110 , 2219 , 8613 , 99350 , 66691 , 120056 , 599918 , 2293600 , 7308076 , 63267108 , 16643251 , 83055331 , 392496883 , 8454294643 , 7921744117
n×2
156899490
n×3
235349235
n×4
313798980
n×5
392248725
n÷2
39224872.5
n÷3
26149915
n÷3
19612436.25
n÷5
15689949
n2
6154362490565025
n3
4.8280816802239E+23
n4
3.7876177665274E+31
n5
2.9713764794154E+39
2 √n
8857.1860655628
3 √n
428.08549439224
4 √n
94.112624368694
5 √n
37.924364082626
1 , 3 , 5 , 11 , 15 , 33 , 55 , 121 , 165 , 363 , 605 , 1815 , 43223 , 129669 , 216115 , 475453 , 648345 , 1426359 , 2377265 , 5229983 , 7131795 , 15689949 , 26149915 , 78449745
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78449744
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78449745 can be divided by 24 positive divisors.
The sum of these divisors (counting 78449745) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100101011010000110001010001
3
Ternary
12110121122211010
4
Quaternary
10223100301101
5
Quinary
130040342440
6
Senary
11441241133
8
Octal
453206121
10
Decimal
78449745
12
Duodecimal
223331a9
16
Hexadecimal
4ad0c51
20
Vigesimal
14a6475
36
Base36
1apg7l
md5
b96103547d0a3a80370631411020b131
sha1
2783ebb045236ec8c687865d247c31d65e1cca95
sha256
39093915b9a55337e78473f9485f03b5ca09a101cb34e19a6db086116073971d
sha512
f29b76a64249ce208c3802f7780164c8ac04bd62529837bacc7ba848a1495f0217f5024d064c1730223a4d9ed689920f76c9f8c3715fc3744ac95e7a1dfc92c6
ripemd-160
a98ec4de00d8db7a2afa7b6ff98be7232d295d93
Diameter
156899490
Circumference
492914285.13599
Area
1.9334499987888E+16
Volume
2.0223821250031E+24
Surface area
7.7337999951551E+16
Circumference
492914285.13599
Perimeter
313798980
Area
6154362490565025
Diagonal
110944693.34371
Surface area
36926174943390150
Volume
4.8280816802239E+23
Space diagonal
135878944.18082
Perimeter
235349235
Area
2.6649171304637E+15
Altitude
67939472.090411
Surface area
2.6649171304637E+15
Volume
5.6899488270148E+22
Height
36981564.447904