75078981 is an odd 8-digits composite number following 75078980
and preceding 75078982 . In scientific notation, it is written as 7.5078981 × 10^7.
The sum of its digits is 45. It has a total of 6 prime factors and 28 positive divisors.
There are 49688640 positive integers (up to 75078981) that are relatively prime to 75078981.
75078981 has 28 divisors, whose sum is 113387820
The reverse of 75078981 is 18987057
Previous prime number is 569
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-five million seventy-eight thousand nine hundred eighty-one
Scientific notation
7.5078981 × 10^7
Engineering notation
7.5078981 × 10^6
Prime Factorization
3 × 3 × 27 × 3 × 569 × 181
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
8342109
Product of the distinct prime numbers
The prime factorization of 75078981 is 3 × 3 × 27 × 3 × 569 × 181.
Since it has a total of 6 prime factors.
6 , 6 , 99 , 89 , 975 , 414 , 8047 , 5253 , 56672 , 83072 , 199725 , 156888 , 9018803 , 5507243 , 39967303 , 82968696 , 920821358 , 751033259 , 9389885838 , 4806977457
n×2
150157962
n×3
225236943
n×4
300315924
n×5
375394905
n÷2
37539490.5
n÷3
25026327
n÷3
18769745.25
n÷5
15015796.2
n2
5636853387998361
n3
4.2320920841731E+23
n4
3.1774116117789E+31
n5
2.3855682602992E+39
2 √n
8664.8128081338
3 √n
421.86431439601
4 √n
93.084976275089
5 √n
37.592713415703
1 , 3 , 9 , 27 , 81 , 181 , 243 , 543 , 569 , 729 , 1629 , 1707 , 4887 , 5121 , 14661 , 15363 , 43983 , 46089 , 102989 , 131949 , 138267 , 308967 , 414801 , 926901 , 2780703 , 8342109 , 25026327 , 75078981
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-75078980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 75078981 can be divided by 28 positive divisors.
The sum of these divisors (counting 75078981) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
100011110011001110101000101
3
Ternary
12020021102000000
4
Quaternary
10132121311011
5
Quinary
123210011411
6
Senary
11241111513
8
Octal
436316505
10
Decimal
75078981
12
Duodecimal
21188599
16
Hexadecimal
4799d45
20
Vigesimal
1394h91
36
Base36
18p7b9
md5
da21617a93c856ff36cf7c4e93089247
sha1
665188ad04179e1b2a516084ac5e6ad5ffb340eb
sha256
66ae362fc5d86383b235ee277ef9f70b530a1867f9d170bb4483f860ccab6ad8
sha512
13fec9bbd6dc0cda62082d651630a9c63bd7d3e8e5f0192bde51b6dfb7feafa61adc42f399ca4fc463b47c311f1f7e335c6fabdd27fabbf9dc74baa30009eeea
ripemd-160
8a490859392df1597f11d88cefbd00310dc4ac52
Diameter
150157962
Circumference
471735150.29722
Area
1.7708697193098E+16
Volume
1.7727345867938E+24
Surface area
7.0834788772394E+16
Circumference
471735150.29722
Perimeter
300315924
Area
5636853387998361
Diagonal
106177713.17935
Surface area
33821120327990166
Volume
4.2320920841731E+23
Space diagonal
130040609.6725
Perimeter
225236943
Area
2.4408291157075E+15
Altitude
65020304.836249
Surface area
2.4408291157075E+15
Volume
4.9875683522079E+22
Height
35392571.059784