78449742 is an even 8-digits composite number following 78449741
and preceding 78449743 . In scientific notation, it is written as 7.8449742 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 22099392 positive integers (up to 78449742) that are relatively prime to 78449742.
78449742 has 32 divisors, whose sum is 141426432
The reverse of 78449742 is 24794487
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-eight million four hundred forty-nine thousand seven hundred forty-two
Scientific notation
7.8449742 × 10^7
Engineering notation
7.8449742 × 10^6
Prime Factorization
2 × 27 × 7 × 73 × 2843
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
78449742
Product of the distinct prime numbers
The prime factorization of 78449742 is 2 × 27 × 7 × 73 × 2843.
Since it has a total of 5 prime factors.
1 , 7 , 5 , 72 , 520 , 723 , 5364 , 4463 , 64487 , 60479 , 822738 , 234851 , 2823009 , 7650732 , 54723080 , 20360690 , 210808990 , 869272534 , 2997360486 , 6713772817
n×2
156899484
n×3
235349226
n×4
313798968
n×5
392248710
n÷2
39224871
n÷3
26149914
n÷3
19612435.5
n÷5
15689948.4
n2
6154362019866564
n3
4.8280811263313E+23
n4
3.7876171871576E+31
n5
2.9713759112728E+39
2 √n
8857.1858962088
3 √n
428.08548893543
4 √n
94.112623468952
5 √n
37.924363792572
1 , 2 , 7 , 14 , 27 , 54 , 73 , 146 , 189 , 378 , 511 , 1022 , 1971 , 2843 , 3942 , 5686 , 13797 , 19901 , 27594 , 39802 , 76761 , 153522 , 207539 , 415078 , 537327 , 1074654 , 1452773 , 2905546 , 5603553 , 11207106 , 39224871 , 78449742
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78449741
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78449742 can be divided by 32 positive divisors.
The sum of these divisors (counting 78449742) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100101011010000110001001110
3
Ternary
12110121122211000
4
Quaternary
10223100301032
5
Quinary
130040342432
6
Senary
11441241130
8
Octal
453206116
10
Decimal
78449742
12
Duodecimal
223331a6
16
Hexadecimal
4ad0c4e
20
Vigesimal
14a6472
36
Base36
1apg7i
md5
27180ee31c48d9773322dc980aa16faa
sha1
09032d3097796b5fbad20fde6c3e52174fe688c1
sha256
7f8699eef11962425d37680b07d76308242ec363ffd829cac771776255cb7d91
sha512
343f659169543655c17189f976f43563f79afc6af0a426ae37879b7bb9d1c0df69af358be402a9729b0315825f7db2e9f41974086f86cf0ba1a9941a5533b4e2
ripemd-160
b4781480a96207b66e32bbe32e32c5f5d663c674
Diameter
156899484
Circumference
492914266.28643
Area
1.9334498509145E+16
Volume
2.0223818929891E+24
Surface area
7.7337994036579E+16
Circumference
492914266.28643
Perimeter
313798968
Area
6154362019866564
Diagonal
110944689.10107
Surface area
36926172119199384
Volume
4.8280811263313E+23
Space diagonal
135878938.98467
Perimeter
235349226
Area
2.6649169266453E+15
Altitude
67939469.492335
Surface area
2.6649169266453E+15
Volume
5.6899481742461E+22
Height
36981563.03369