78842144 is an even 8-digits composite number following 78842143
and preceding 78842145 . In scientific notation, it is written as 7.8842144 × 10^7.
The sum of its digits is 38. It has a total of 7 prime factors and 24 positive divisors.
There are 39305536 positive integers (up to 78842144) that are relatively prime to 78842144.
78842144 has 24 divisors, whose sum is 155675520
The reverse of 78842144 is 44124887
Previous prime number is 359
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-eight million eight hundred forty-two thousand one hundred forty-four
Scientific notation
7.8842144 × 10^7
Engineering notation
7.8842144 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 359 × 6863
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
4927634
Product of the distinct prime numbers
The prime factorization of 78842144 is 2 × 2 × 2 × 2 × 2 × 359 × 6863.
Since it has a total of 7 prime factors.
10 , 6 , 35 , 97 , 270 , 115 , 7042 , 7645 , 40229 , 80108 , 627531 , 627676 , 5816080 , 6149996 , 61401860 , 43248631 , 742174581 , 464910689 , 970306459 , 4094163514
n×2
157684288
n×3
236526432
n×4
315368576
n×5
394210720
n÷2
39421072
n÷3
26280714.666667
n÷3
19710536
n÷5
15768428.8
n2
6216083670516736
n3
4.9008936386693E+23
n4
3.8639696198865E+31
n5
3.0464364918272E+39
2 √n
8879.3098830934
3 √n
428.79805681528
4 √n
94.230090115066
5 √n
37.962227296125
1 , 2 , 4 , 8 , 16 , 32 , 359 , 718 , 1436 , 2872 , 5744 , 6863 , 11488 , 13726 , 27452 , 54904 , 109808 , 219616 , 2463817 , 4927634 , 9855268 , 19710536 , 39421072 , 78842144
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78842143
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78842144 can be divided by 24 positive divisors.
The sum of these divisors (counting 78842144) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100101100110000100100100000
3
Ternary
12111100121002102
4
Quaternary
10230300210200
5
Quinary
130140422034
6
Senary
11453505532
8
Octal
454604440
10
Decimal
78842144
12
Duodecimal
224a22a8
16
Hexadecimal
4b30920
20
Vigesimal
14cf574
36
Base36
1axuzk
md5
b95af3044cd456d740ef81b49f29b7e8
sha1
a527141fec5194d1d13cfddec8307ec939babc1a
sha256
921f4f295087c4613b0cb05988569893eff2802164ff4e63a8cc760e7feee752
sha512
cbce3e9c1d10793cecbd56703f8c7ea8724ca35ba20e728d0208c25b46a52a26b3be91b4dabb25af0d56c136b19469d45fb0f01477fbcdf35ca8c3250213e843
ripemd-160
1e348bfe1edd4164e45daf75902f75e830a15123
Diameter
157684288
Circumference
495379800.76734
Area
1.9528402793395E+16
Volume
2.0528815268358E+24
Surface area
7.8113611173579E+16
Circumference
495379800.76734
Perimeter
315368576
Area
6216083670516736
Diagonal
111499629.33137
Surface area
37296502023100416
Volume
4.9008936386693E+23
Space diagonal
136558599.18566
Perimeter
236526432
Area
2.6916431853586E+15
Altitude
68279299.592831
Surface area
2.6916431853586E+15
Volume
5.7757585429618E+22
Height
37166543.110458