75085721 is an odd 8-digits composite number following 75085720
and preceding 75085722 . In scientific notation, it is written as 7.5085721 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 74607312 positive integers (up to 75085721) that are relatively prime to 75085721.
75085721 has 4 divisors, whose sum is 75564132
The reverse of 75085721 is 12758057
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
seventy-five million eighty-five thousand seven hundred twenty-one
Scientific notation
7.5085721 × 10^7
Engineering notation
7.5085721 × 10^6
Prime Factorization
157 × 478253
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
75085721
Product of the distinct prime numbers
The prime factorization of 75085721 is 157 × 478253.
Since it has a total of 2 prime factors.
9 , 4 , 35 , 55 , 168 , 985 , 6335 , 6224 , 630 , 98757 , 803994 , 59116 , 2886911 , 8450320 , 76098324 , 89810716 , 82361377 , 405315358 , 9994737742 , 7987543390
n×2
150171442
n×3
225257163
n×4
300342884
n×5
375428605
n÷2
37542860.5
n÷3
25028573.666667
n÷3
18771430.25
n÷5
15017144.2
n2
5637865498089841
n3
4.233231958251E+23
n4
3.1785527374552E+31
n5
2.3866392402835E+39
2 √n
8665.2017287539
3 √n
421.87693790422
4 √n
93.087065313898
5 √n
37.593388347054
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
-75085720
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 75085721 can be divided by 4 positive divisors.
The sum of these divisors (counting 75085721) is 1, the average is 0.25.
Base
System
Value
2
Binary
100011110011011011110011001
3
Ternary
12020021202020122
4
Quaternary
10132123132121
5
Quinary
123210220341
6
Senary
11241203025
8
Octal
436333631
10
Decimal
75085721
12
Duodecimal
21190475
16
Hexadecimal
479b799
20
Vigesimal
1395e61
36
Base36
18pcih
md5
c2b57850b28bd11c6b9ff199a9db46d8
sha1
3c3b5b1805c141094dbf3e48dada71667912f593
sha256
d68b36d9a7017c1e2dbf1646efbfcd01f11b30ca4f031268bfc56b8742296a47
sha512
1a44ee7dda0c61360a5c14c3ec6bd04cc6f844266ed10f9fb97315f1a85a9061b49ad5f78ff258879e63755b8eb6d96cdc0ac613514ed87368280c58ba72162b
ripemd-160
3b0b40e788e051783a1d98ed44791303b7086e8c
Diameter
150171442
Circumference
471777498.96619
Area
1.7711876830726E+16
Volume
1.773212056131E+24
Surface area
7.0847507322906E+16
Circumference
471777498.96619
Perimeter
300342884
Area
5637865498089841
Diagonal
106187244.97876
Surface area
33827192988539046
Volume
4.233231958251E+23
Space diagonal
130052283.69494
Perimeter
225257163
Area
2.4412673722328E+15
Altitude
65026141.847471
Surface area
2.4412673722328E+15
Volume
4.9889117066915E+22
Height
35395748.326254