78442947 is an odd 8-digits composite number following 78442946
and preceding 78442948 . In scientific notation, it is written as 7.8442947 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 44271360 positive integers (up to 78442947) that are relatively prime to 78442947.
78442947 has 32 divisors, whose sum is 101744640
The reverse of 78442947 is 74924487
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-eight million four hundred forty-two thousand nine hundred forty-seven
Scientific notation
7.8442947 × 10^7
Engineering notation
7.8442947 × 10^6
Prime Factorization
9 × 11 × 17 × 127 × 367
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
78442947
Product of the distinct prime numbers
The prime factorization of 78442947 is 9 × 11 × 17 × 127 × 367.
Since it has a total of 5 prime factors.
6 , 2 , 87 , 60 , 314 , 913 , 9808 , 1415 , 70482 , 65732 , 291245 , 240242 , 3435399 , 1025437 , 91788000 , 71109561 , 224848915 , 334555028 , 1376530351 , 3873344074
n×2
156885894
n×3
235328841
n×4
313771788
n×5
392214735
n÷2
39221473.5
n÷3
26147649
n÷3
19610736.75
n÷5
15688589.4
n2
6153295934044809
n3
4.8268266682959E+23
n4
3.7863050851932E+31
n5
2.9700892912364E+39
2 √n
8856.8023010565
3 √n
428.07312889952
4 √n
94.110585488863
5 √n
37.923706798746
1 , 9 , 11 , 17 , 99 , 127 , 153 , 187 , 367 , 1143 , 1397 , 1683 , 2159 , 3303 , 4037 , 6239 , 12573 , 19431 , 23749 , 36333 , 46609 , 56151 , 68629 , 213741 , 419481 , 512699 , 617661 , 792353 , 4614291 , 7131177 , 8715883 , 78442947
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78442946
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78442947 can be divided by 32 positive divisors.
The sum of these divisors (counting 78442947) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100101011001111000111000011
3
Ternary
12110121022111100
4
Quaternary
10223033013003
5
Quinary
130040133242
6
Senary
11441145443
8
Octal
453170703
10
Decimal
78442947
12
Duodecimal
2232b283
16
Hexadecimal
4acf1c3
20
Vigesimal
14a5777
36
Base36
1apayr
md5
ea76dcb140a69d724ce0acf7189b174a
sha1
50a01f62db26e5a0d86c58e185e1550c7de12736
sha256
a938444db7ea3db2a42c79306b516f65090aa2d56ddcda5e6f4b16c2bf1d936f
sha512
705ac8e59de50e70077685563b0c87925aac9632fd93bf2a3eea720a8765997c26c85a6c89a036bc86bb098fcd2751643f01d2afa859b193b8b513843c66eafb
ripemd-160
5dd7591554d0a85c50a2515da5884aaf66133c03
Diameter
156885894
Circumference
492871572.04227
Area
1.9331149301759E+16
Volume
2.021856426836E+24
Surface area
7.7324597207036E+16
Circumference
492871572.04227
Perimeter
313771788
Area
6153295934044809
Diagonal
110935079.51991
Surface area
36919775604268854
Volume
4.8268266682959E+23
Space diagonal
135867169.69943
Perimeter
235328841
Area
2.6644552979432E+15
Altitude
67933584.849716
Surface area
2.6644552979432E+15
Volume
5.6884697812735E+22
Height
36978359.839971