78996905 is an odd 8-digits composite number following 78996904
and preceding 78996906 . In scientific notation, it is written as 7.8996905 × 10^7.
The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors.
There are 57957120 positive integers (up to 78996905) that are relatively prime to 78996905.
78996905 has 16 divisors, whose sum is 102751824
The reverse of 78996905 is 50969987
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
seventy-eight million nine hundred ninety-six thousand nine hundred five
Scientific notation
7.8996905 × 10^7
Engineering notation
7.8996905 × 10^6
Prime Factorization
5 × 13 × 157 × 7741
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78996905
Product of the distinct prime numbers
The prime factorization of 78996905 is 5 × 13 × 157 × 7741.
Since it has a total of 4 prime factors.
10 , 5 , 91 , 81 , 422 , 475 , 591 , 2228 , 51757 , 106 , 708182 , 169457 , 9557622 , 3042142 , 90923170 , 91911388 , 793980043 , 215588062 , 8113696740 , 8314839677
n×2
157993810
n×3
236990715
n×4
315987620
n×5
394984525
n÷2
39498452.5
n÷3
26332301.666667
n÷3
19749226.25
n÷5
15799381
n2
6240510999579025
n3
4.929810545852E+23
n4
3.8943977535867E+31
n5
3.076453693723E+39
2 √n
8888.0203082576
3 √n
429.07843919015
4 √n
94.276297701265
5 √n
37.977118988467
1 , 5 , 13 , 65 , 157 , 785 , 2041 , 7741 , 10205 , 38705 , 100633 , 503165 , 1215337 , 6076685 , 15799381 , 78996905
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
-78996904
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 78996905 can be divided by 16 positive divisors.
The sum of these divisors (counting 78996905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101101010110010110101001
3
Ternary
12111122110101022
4
Quaternary
10231112112221
5
Quinary
130210400110
6
Senary
11501102225
8
Octal
455262651
10
Decimal
78996905
12
Duodecimal
22557975
16
Hexadecimal
4b565a9
20
Vigesimal
14dec55
36
Base36
1b16eh
md5
9737fae43ddf0b1b214c0abbe408664f
sha1
47251f2c4b48f9232b6526dd9d1b71073be15ad8
sha256
1568839a6a841c04ddb91a913c3f16f8adad592539d391b0198db4ca8a069803
sha512
ece3d8e6e6617bd9914c2d7dafee44b9949229bdff0d5b949021ee5346955361da27f199e45015d5f2b951b12628e1935e506f5dc70b0258bf53cd34b6022f14
ripemd-160
4ce7ec2ebaac319266358e6fff687560ff4b52c4
Diameter
157993810
Circumference
496352192.80866
Area
1.9605143510924E+16
Volume
2.0649942125917E+24
Surface area
7.8420574043695E+16
Circumference
496352192.80866
Perimeter
315987620
Area
6240510999579025
Diagonal
111718494.4365
Surface area
37443065997474150
Volume
4.929810545852E+23
Space diagonal
136826653.10069
Perimeter
236990715
Area
2.7022205291158E+15
Altitude
68413326.550346
Surface area
2.7022205291158E+15
Volume
5.8098374448948E+22
Height
37239498.1455