78442842 is an even 8-digits composite number following 78442841
and preceding 78442843 . In scientific notation, it is written as 7.8442842 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 26133072 positive integers (up to 78442842) that are relatively prime to 78442842.
78442842 has 16 divisors, whose sum is 156972960
The reverse of 78442842 is 24824487
Previous prime number is 3253
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-eight million four hundred forty-two thousand eight hundred forty-two
Scientific notation
7.8442842 × 10^7
Engineering notation
7.8442842 × 10^6
Prime Factorization
2 × 3 × 3253 × 4019
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78442842
Product of the distinct prime numbers
The prime factorization of 78442842 is 2 × 3 × 3253 × 4019.
Since it has a total of 4 prime factors.
4 , 9 , 20 , 63 , 843 , 189 , 489 , 5581 , 87995 , 30787 , 377727 , 793746 , 4364670 , 674332 , 94773512 , 62095048 , 247147757 , 179655270 , 9863497355 , 5720894915
n×2
156885684
n×3
235328526
n×4
313771368
n×5
392214210
n÷2
39221421
n÷3
26147614
n÷3
19610710.5
n÷5
15688568.4
n2
6153279461036964
n3
4.8268072854397E+23
n4
3.7862848125619E+31
n5
2.970069413188E+39
2 √n
8856.7963734073
3 √n
428.07293789998
4 √n
94.110553995858
5 √n
37.923696646167
1 , 2 , 3 , 6 , 3253 , 4019 , 6506 , 8038 , 9759 , 12057 , 19518 , 24114 , 13073807 , 26147614 , 39221421 , 78442842
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
-78442841
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 78442842 can be divided by 16 positive divisors.
The sum of these divisors (counting 78442842) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101011001111000101011010
3
Ternary
12110121022100110
4
Quaternary
10223033011122
5
Quinary
130040132332
6
Senary
11441145150
8
Octal
453170532
10
Decimal
78442842
12
Duodecimal
2232b1b6
16
Hexadecimal
4acf15a
20
Vigesimal
14a5722
36
Base36
1apavu
md5
308758f65a0f5877b0951f558dfc6899
sha1
002eae19baf65e8466508469130adf669956224c
sha256
13a60193f641985e8015ba8d5551e7392f7e81e7bf99acd1bb159f9c6239881c
sha512
d43e353c0b4f078ca2440f1212009a4ce19d6efdabcc240cf34555b3af8e2179a4c44af75f44c5cff813e558beb4fa074f99ae8f3c0f42c29606438c88dfcdab
ripemd-160
696f66fdbf26dbe021db0ff594d4daff5cb2c57b
Diameter
156885684
Circumference
492870912.30781
Area
1.9331097550279E+16
Volume
2.0218483077641E+24
Surface area
7.7324390201115E+16
Circumference
492870912.30781
Perimeter
313771368
Area
6153279461036964
Diagonal
110934931.02749
Surface area
36919676766221784
Volume
4.8268072854397E+23
Space diagonal
135866987.8341
Perimeter
235328526
Area
2.6644481649215E+15
Altitude
67933493.917049
Surface area
2.6644481649215E+15
Volume
5.6884469383584E+22
Height
36978310.342497