78442561 is an odd 8-digits composite number following 78442560
and preceding 78442562 . In scientific notation, it is written as 7.8442561 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 78383812 positive integers (up to 78442561) that are relatively prime to 78442561.
78442561 has 4 divisors, whose sum is 78501312
The reverse of 78442561 is 16524487
Previous prime number is 1367
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
seventy-eight million four hundred forty-two thousand five hundred sixty-one
Scientific notation
7.8442561 × 10^7
Engineering notation
7.8442561 × 10^6
Prime Factorization
1367 × 57383
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78442561
Product of the distinct prime numbers
The prime factorization of 78442561 is 1367 × 57383.
Since it has a total of 2 prime factors.
9 , 9 , 43 , 73 , 304 , 942 , 9055 , 6651 , 32844 , 99336 , 573491 , 817712 , 3531802 , 1971075 , 17359467 , 12737867 , 282976951 , 804748995 , 3804730412 , 5771344667
n×2
156885122
n×3
235327683
n×4
313770244
n×5
392212805
n÷2
39221280.5
n÷3
26147520.333333
n÷3
19610640.25
n÷5
15688512.2
n2
6153235376238721
n3
4.8267554134796E+23
n4
3.7862305595396E+31
n5
2.9700162162675E+39
2 √n
8856.7805098693
3 √n
428.07242674802
4 √n
94.110469714423
5 √n
37.923669475876
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78442560
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78442561 can be divided by 4 positive divisors.
The sum of these divisors (counting 78442561) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101011001111000001000001
3
Ternary
12110121021222001
4
Quaternary
10223033001001
5
Quinary
130040130221
6
Senary
11441144001
8
Octal
453170101
10
Decimal
78442561
12
Duodecimal
2232b001
16
Hexadecimal
4acf041
20
Vigesimal
14a5681
36
Base36
1apao1
md5
126024abc1d3f95d6dee92faa71db07d
sha1
0cde89be53b043efd82a78a9ad9373eb18e46b04
sha256
90c79f31782a78828ce0459b1cf9c1528f21594d9f49396d300f432a059fe79c
sha512
b9587c0a36fa414acd57d9d105d3fe21b08b8f3fa000c0f5e4728401ea0c65887bf004ad7bd51a05c8e503345888b211cd88bc267487f037b3d1cbfaec50c220
ripemd-160
4a2059db14907e35da2c9edf707588fdc7d72adb
Diameter
156885122
Circumference
492869146.73274
Area
1.93309590538E+16
Volume
2.0218265796883E+24
Surface area
7.7323836215202E+16
Circumference
492869146.73274
Perimeter
313770244
Area
6153235376238721
Diagonal
110934533.63348
Surface area
36919412257432326
Volume
4.8267554134796E+23
Space diagonal
135866501.12782
Perimeter
235327683
Area
2.6644290756439E+15
Altitude
67933250.56391
Surface area
2.6644290756439E+15
Volume
5.6883858066672E+22
Height
36978177.877826