78289939 is an odd 8-digits composite number following 78289938
and preceding 78289940 . In scientific notation, it is written as 7.8289939 × 10^7.
The sum of its digits is 55. It has a total of 4 prime factors and 16 positive divisors.
There are 61573248 positive integers (up to 78289939) that are relatively prime to 78289939.
78289939 has 16 divisors, whose sum is 96933312
The reverse of 78289939 is 93998287
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
seventy-eight million two hundred eighty-nine thousand nine hundred thirty-nine
Scientific notation
7.8289939 × 10^7
Engineering notation
7.8289939 × 10^6
Prime Factorization
7 × 13 × 173 × 4973
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78289939
Product of the distinct prime numbers
The prime factorization of 78289939 is 7 × 13 × 173 × 4973.
Since it has a total of 4 prime factors.
4 , 1 , 52 , 78 , 751 , 235 , 3121 , 4320 , 87799 , 47212 , 971997 , 214711 , 177997 , 8284464 , 17455605 , 27967349 , 539842436 , 769629426 , 2508867084 , 7945863041
n×2
156579878
n×3
234869817
n×4
313159756
n×5
391449695
n÷2
39144969.5
n÷3
26096646.333333
n÷3
19572484.75
n÷5
15657987.8
n2
6129314548623721
n3
4.7986366212356E+23
n4
3.756849683597E+31
n5
2.9412353256098E+39
2 √n
8848.1602042459
3 √n
427.7946197051
4 √n
94.064659698772
5 √n
37.908900717591
1 , 7 , 13 , 91 , 173 , 1211 , 2249 , 4973 , 15743 , 34811 , 64649 , 452543 , 860329 , 6022303 , 11184277 , 78289939
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
-78289938
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 78289939 can be divided by 16 positive divisors.
The sum of these divisors (counting 78289939) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101010101001110000010011
3
Ternary
12110022112121101
4
Quaternary
10222221300103
5
Quinary
130020234224
6
Senary
11434005231
8
Octal
452516023
10
Decimal
78289939
12
Duodecimal
22276817
16
Hexadecimal
4aa9c13
20
Vigesimal
14964gj
36
Base36
1am0wj
md5
e5479347f6a95efa16d50c9a015573d1
sha1
66a22faa52a72fff45e6e3e193d0a5f95d0b9c81
sha256
1eca4242215bb1fc0884285b8ceb2e062747ee625e29b5dcb7a1bf4754b2f543
sha512
405815eecc3001867e3af744a1f7453c672552f5a692d112e7a97f47bd886fb5860add9f46fdcae99db7a00c8ddd87212e7c5e3d2f8f0a69fff4ba9eef012545
ripemd-160
01ac67985df2bd1ae1166f0f9f55e3bae112f1f2
Diameter
156579878
Circumference
491910194.42479
Area
1.9255809557497E+16
Volume
2.0100482075361E+24
Surface area
7.7023238229989E+16
Circumference
491910194.42479
Perimeter
313159756
Area
6129314548623721
Diagonal
110718693.53116
Surface area
36775887291742326
Volume
4.7986366212356E+23
Space diagonal
135602152.06947
Perimeter
234869817
Area
2.6540710534468E+15
Altitude
67801076.034734
Surface area
2.6540710534468E+15
Volume
5.6552474922097E+22
Height
36906231.177054