78992912 is an even 8-digits composite number following 78992911
and preceding 78992913 . In scientific notation, it is written as 7.8992912 × 10^7.
The sum of its digits is 47. It has a total of 6 prime factors and 20 positive divisors.
There are 39436320 positive integers (up to 78992912) that are relatively prime to 78992912.
78992912 has 20 divisors, whose sum is 153281856
The reverse of 78992912 is 21929987
Previous prime number is 727
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
seventy-eight million nine hundred ninety-two thousand nine hundred twelve
Scientific notation
7.8992912 × 10^7
Engineering notation
7.8992912 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 727 × 6791
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
9874114
Product of the distinct prime numbers
The prime factorization of 78992912 is 2 × 2 × 2 × 2 × 727 × 6791.
Since it has a total of 6 prime factors.
7 , 7 , 39 , 70 , 135 , 948 , 5960 , 2879 , 37315 , 57487 , 848287 , 73643 , 8485496 , 2545160 , 79668600 , 19486053 , 878590771 , 307071309 , 1462746685 , 2904056839
n×2
157985824
n×3
236978736
n×4
315971648
n×5
394964560
n÷2
39496456
n÷3
26330970.666667
n÷3
19748228
n÷5
15798582.4
n2
6239880146239744
n3
4.9290630328246E+23
n4
3.8936104239437E+31
n5
3.0756762558087E+39
2 √n
8887.7956772194
3 √n
429.07120962812
4 √n
94.275106349552
5 √n
37.976735060256
1 , 2 , 4 , 8 , 16 , 727 , 1454 , 2908 , 5816 , 6791 , 11632 , 13582 , 27164 , 54328 , 108656 , 4937057 , 9874114 , 19748228 , 39496456 , 78992912
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78992911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78992912 can be divided by 20 positive divisors.
The sum of these divisors (counting 78992912) is 1, the average is 0.05.
Base
System
Value
2
Binary
100101101010101011000010000
3
Ternary
12111122020220102
4
Quaternary
10231111120100
5
Quinary
130210233122
6
Senary
11501031532
8
Octal
455253020
10
Decimal
78992912
12
Duodecimal
225555a8
16
Hexadecimal
4b55610
20
Vigesimal
14de25c
36
Base36
1b13bk
md5
8a4e2cf77953b5c29019aa4d52530784
sha1
55e920b4f4eae0dd73fcb9e2df399069b94ffcf6
sha256
3640ceb3f3153a5273254df49d0c1ef127cd2924ef9a6777889045850810de85
sha512
6c50d1aa4715888b62c0dfda7af3d3fcadd7cc3b239d63b6149fb4a2d3a1e59a06f278ada2e990f9ab46b990cf1198ed60ee08da29cbb956e7c79248d371883a
ripemd-160
f43daf3de77e6b2aab1648ee3115a3c10cf1836b
Diameter
157985824
Circumference
496327104.04973
Area
1.9603161626708E+16
Volume
2.0646810950671E+24
Surface area
7.841264650683E+16
Circumference
496327104.04973
Perimeter
315971648
Area
6239880146239744
Diagonal
111712847.48174
Surface area
37439280877438464
Volume
4.9290630328246E+23
Space diagonal
136819737.02182
Perimeter
236978736
Area
2.7019473616069E+15
Altitude
68409868.510909
Surface area
2.7019473616069E+15
Volume
5.8089564923437E+22
Height
37237615.827248