78279984 is an even 8-digits composite number following 78279983
and preceding 78279985 . In scientific notation, it is written as 7.8279984 × 10^7.
The sum of its digits is 54. It has a total of 6 prime factors and 20 positive divisors.
There are 26093280 positive integers (up to 78279984) that are relatively prime to 78279984.
78279984 has 20 divisors, whose sum is 168519720
The reverse of 78279984 is 48997287
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 two hundred seventy-nine thousand nine hundred eighty-four
Scientific notation
7.8279984 × 10^7
Engineering notation
7.8279984 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 9 × 543611
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
9784998
Product of the distinct prime numbers
The prime factorization of 78279984 is 2 × 2 × 2 × 2 × 9 × 543611.
Since it has a total of 6 prime factors.
8 , 5 , 33 , 26 , 503 , 543 , 8950 , 4818 , 36915 , 24928 , 664421 , 739621 , 8165152 , 6982972 , 64470488 , 38510348 , 529660634 , 131111495 , 4611143056 , 8422040012
n×2
156559968
n×3
234839952
n×4
313119936
n×5
391399920
n÷2
39139992
n÷3
26093328
n÷3
19569996
n÷5
15655996.8
n2
6127755895040256
n3
4.7968063341966E+23
n4
3.7549392309201E+31
n5
2.9393658291739E+39
2 √n
8847.5976400377
3 √n
427.77648678358
4 √n
94.06166934537
5 √n
37.907936603153
1 , 2 , 4 , 8 , 9 , 16 , 18 , 36 , 72 , 144 , 543611 , 1087222 , 2174444 , 4348888 , 4892499 , 8697776 , 9784998 , 19569996 , 39139992 , 78279984
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
-78279983
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 78279984 can be divided by 20 positive divisors.
The sum of these divisors (counting 78279984) is 1, the average is 0.05.
Base
System
Value
2
Binary
100101010100111010100110000
3
Ternary
12110022000221200
4
Quaternary
10222213110300
5
Quinary
130014424414
6
Senary
11433451200
8
Octal
452472460
10
Decimal
78279984
12
Duodecimal
22270b00
16
Hexadecimal
4aa7530
20
Vigesimal
1494jj4
36
Base36
1alt80
md5
e53b06c2b821afbf079e3a12e0b49ebc
sha1
fce6395098ed4f8d44c515c368a2bbd524de9c7d
sha256
883b40b167257a817394ed6bb8ef34a31e029bbe6c95826048e3d1caa776b8ed
sha512
ac2f8cb67dedeee90dffbf2a24f3e59feeab4ec2a7127347862565bf2653d3d816876b30bfccdd9e8b66b1803cd5476f7bef7131b46b847fadc07f8194f40f1b
ripemd-160
d90a66bfa2cb87d8f2a427e03dc2048e405e8a93
Diameter
156559968
Circumference
491847645.31505
Area
1.925091290285E+16
Volume
2.009281538694E+24
Surface area
7.70036516114E+16
Circumference
491847645.31505
Perimeter
313119936
Area
6127755895040256
Diagonal
110704615.03515
Surface area
36766535370241536
Volume
4.7968063341966E+23
Space diagonal
135584909.50368
Perimeter
234839952
Area
2.6533961366474E+15
Altitude
67792454.751839
Surface area
2.6533961366474E+15
Volume
5.6530904782483E+22
Height
36901538.34505