78819984 is an even 8-digits composite number following 78819983
and preceding 78819985 . In scientific notation, it is written as 7.8819984 × 10^7.
The sum of its digits is 54. It has a total of 6 prime factors and 20 positive divisors.
There are 26273280 positive integers (up to 78819984) that are relatively prime to 78819984.
78819984 has 20 divisors, whose sum is 169682220
The reverse of 78819984 is 48991887
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 54
Digital Root 9
Name
seventy-eight million eight hundred nineteen thousand nine hundred eighty-four
Scientific notation
7.8819984 × 10^7
Engineering notation
7.8819984 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 9 × 547361
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
9852498
Product of the distinct prime numbers
The prime factorization of 78819984 is 2 × 2 × 2 × 2 × 9 × 547361.
Since it has a total of 6 prime factors.
5 , 6 , 44 , 14 , 173 , 125 , 6091 , 3756 , 91497 , 50649 , 393361 , 288824 , 113410 , 3187511 , 31471895 , 64766788 , 735561466 , 133576731 , 6911124730 , 2647228308
n×2
157639968
n×3
236459952
n×4
315279936
n×5
394099920
n÷2
39409992
n÷3
26273328
n÷3
19704996
n÷5
15763996.8
n2
6212589877760256
n3
4.8967623476363E+23
n4
3.8596272989249E+31
n5
3.0421576194723E+39
2 √n
8878.0619506737
3 √n
428.75787925352
4 √n
94.223468152439
5 √n
37.960093063065
1 , 2 , 4 , 8 , 9 , 16 , 18 , 36 , 72 , 144 , 547361 , 1094722 , 2189444 , 4378888 , 4926249 , 8757776 , 9852498 , 19704996 , 39409992 , 78819984
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
-78819983
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 78819984 can be divided by 20 positive divisors.
The sum of these divisors (counting 78819984) is 1, the average is 0.05.
Base
System
Value
2
Binary
100101100101011001010010000
3
Ternary
12111022110200200
4
Quaternary
10230223022100
5
Quinary
130134214414
6
Senary
11453215200
8
Octal
454531220
10
Decimal
78819984
12
Duodecimal
22491500
16
Hexadecimal
4b2b290
20
Vigesimal
14cc9j4
36
Base36
1axdw0
md5
f566c29839539e6cb9a4056aca97e042
sha1
965d525ef8aa8be04ddc302a5e911f07e3600437
sha256
db1d0508c11afbdb23985c5f1d4916564567067277ad6a523d25cda947a283e7
sha512
1a41ad12e62c6461a159ab758fc2752342c668b0368c5968dbdda4e85e059861c4d1749ce28d0a8192d1a4b535a2d19420628d33e3bc2a2537d9a7fe8905c446
ripemd-160
5cbfa56b446f47b5dfa406d07e69ac091ca9a318
Diameter
157639968
Circumference
495240565.38093
Area
1.9517426719738E+16
Volume
2.0511510156946E+24
Surface area
7.8069706878952E+16
Circumference
495240565.38093
Perimeter
315279936
Area
6212589877760256
Diagonal
111468290.35883
Surface area
37275539266561536
Volume
4.8967623476363E+23
Space diagonal
136520216.93977
Perimeter
236459952
Area
2.6901303287172E+15
Altitude
68260108.469883
Surface area
2.6901303287172E+15
Volume
5.7708897697876E+22
Height
37156096.786277