78442913 is an odd 8-digits composite number following 78442912
and preceding 78442914 . In scientific notation, it is written as 7.8442913 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 73742080 positive integers (up to 78442913) that are relatively prime to 78442913.
78442913 has 8 divisors, whose sum is 83154600
The reverse of 78442913 is 31924487
Previous prime number is 1061
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-eight million four hundred forty-two thousand nine hundred thirteen
Scientific notation
7.8442913 × 10^7
Engineering notation
7.8442913 × 10^6
Prime Factorization
17 × 1061 × 4349
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78442913
Product of the distinct prime numbers
The prime factorization of 78442913 is 17 × 1061 × 4349.
Since it has a total of 3 prime factors.
2 , 5 , 52 , 95 , 992 , 350 , 7708 , 5994 , 44913 , 80730 , 167477 , 504413 , 8705344 , 6352739 , 48742372 , 69076721 , 404179268 , 260815556 , 7029499252 , 1014695004
n×2
156885826
n×3
235328739
n×4
313771652
n×5
392214565
n÷2
39221456.5
n÷3
26147637.666667
n÷3
19610728.25
n÷5
15688582.6
n2
6153290599925569
n3
4.8268203919368E+23
n4
3.7862985207132E+31
n5
2.9700828545234E+39
2 √n
8856.8003816277
3 √n
428.07306705207
4 √n
94.110575291131
5 √n
37.923703511246
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78442912
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78442913 can be divided by 8 positive divisors.
The sum of these divisors (counting 78442913) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101011001111000110100001
3
Ternary
12110121022110002
4
Quaternary
10223033012201
5
Quinary
130040133123
6
Senary
11441145345
8
Octal
453170641
10
Decimal
78442913
12
Duodecimal
2232b255
16
Hexadecimal
4acf1a1
20
Vigesimal
14a575d
36
Base36
1apaxt
md5
14e604e1f617766aa2a45e005db9f6f1
sha1
d34340ea45be42326c3a3f4dd0bff80f52897d99
sha256
5b7483b411573f454fb2554354479a4a4d10c50e7c7ea546b926390eefed5dd0
sha512
89d32e14194f7d89505efd7765cc9b79ed23dd41c0f01e026a9a02ed9d038c126edc894ca2e34d160452d2c43fc594744d8ba78f33f88f9cbb65a987eba29a32
ripemd-160
2de8966d38e15540a9ce12358ac60f37a499d590
Diameter
156885826
Circumference
492871358.41397
Area
1.9331132544129E+16
Volume
2.0218537978008E+24
Surface area
7.7324530176517E+16
Circumference
492871358.41397
Perimeter
313771652
Area
6153290599925569
Diagonal
110935031.43665
Surface area
36919743599553414
Volume
4.8268203919368E+23
Space diagonal
135867110.80971
Perimeter
235328739
Area
2.6644529882018E+15
Altitude
67933555.404853
Surface area
2.6644529882018E+15
Volume
5.6884623845134E+22
Height
36978343.812218