78449912 is an even 8-digits composite number following 78449911
and preceding 78449913 . In scientific notation, it is written as 7.8449912 × 10^7.
The sum of its digits is 44. It has a total of 5 prime factors and 16 positive divisors.
There are 39199840 positive integers (up to 78449912) that are relatively prime to 78449912.
78449912 has 16 divisors, whose sum is 147187800
The reverse of 78449912 is 21994487
Previous prime number is 2909
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
seventy-eight million four hundred forty-nine thousand nine hundred twelve
Scientific notation
7.8449912 × 10^7
Engineering notation
7.8449912 × 10^6
Prime Factorization
2 × 2 × 2 × 2909 × 3371
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
19612478
Product of the distinct prime numbers
The prime factorization of 78449912 is 2 × 2 × 2 × 2909 × 3371.
Since it has a total of 5 prime factors.
8 , 6 , 63 , 9 , 219 , 193 , 6850 , 3028 , 82975 , 90869 , 374548 , 429167 , 5763628 , 3346170 , 70310942 , 40113704 , 681869604 , 779419583 , 3024931481 , 4483090038
n×2
156899824
n×3
235349736
n×4
313799648
n×5
392249560
n÷2
39224956
n÷3
26149970.666667
n÷3
19612478
n÷5
15689982.4
n2
6154388692807744
n3
4.8281125136456E+23
n4
3.787650018216E+31
n5
2.9714081061584E+39
2 √n
8857.1954929312
3 √n
428.08579815455
4 √n
94.112674454247
5 √n
37.92438022892
1 , 2 , 4 , 8 , 2909 , 3371 , 5818 , 6742 , 11636 , 13484 , 23272 , 26968 , 9806239 , 19612478 , 39224956 , 78449912
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
-78449911
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 78449912 can be divided by 16 positive divisors.
The sum of these divisors (counting 78449912) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101011010000110011111000
3
Ternary
12110121200001022
4
Quaternary
10223100303320
5
Quinary
130040344122
6
Senary
11441242012
8
Octal
453206370
10
Decimal
78449912
12
Duodecimal
22333308
16
Hexadecimal
4ad0cf8
20
Vigesimal
14a64fc
36
Base36
1apgc8
md5
2a664ca380d37d0fa91ca21480940aa7
sha1
54a8cc5146e44a10aef3404ce4b76c665389cf54
sha256
6f8c136b2707c1b517b9c45e543cc9ac478efd23738aa19fca292444af54ca37
sha512
f4fb1dbd3a00ec5481b0b2d955b5b910b9df723679359716e0d5cbe4b2890715a9c5766d8d584635b64943d9f521322bc95ae9fef20315dd5e674490ef56fb58
ripemd-160
48f59e0b7a3a98e83977e40c1c40e594e92abe57
Diameter
156899824
Circumference
492915334.42793
Area
1.9334582304661E+16
Volume
2.0223950404765E+24
Surface area
7.7338329218644E+16
Circumference
492915334.42793
Perimeter
313799648
Area
6154388692807744
Diagonal
110944929.51738
Surface area
36926332156846464
Volume
4.8281125136456E+23
Space diagonal
135879233.43331
Perimeter
235349736
Area
2.6649284763676E+15
Altitude
67939616.716654
Surface area
2.6649284763676E+15
Volume
5.6899851645507E+22
Height
36981643.172459