71657145 is an odd 8-digits composite number following 71657144
and preceding 71657146 . In scientific notation, it is written as 7.1657145 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 32441472 positive integers (up to 71657145) that are relatively prime to 71657145.
71657145 has 16 divisors, whose sum is 88197120
The reverse of 71657145 is 54175617
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-one million six hundred fifty-seven thousand one hundred forty-five
Scientific notation
7.1657145 × 10^7
Engineering notation
7.1657145 × 10^6
Prime Factorization
63 × 5 × 109 × 2087
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71657145
Product of the distinct prime numbers
The prime factorization of 71657145 is 63 × 5 × 109 × 2087.
Since it has a total of 4 prime factors.
2 , 9 , 40 , 21 , 285 , 534 , 864 , 9780 , 85459 , 9706 , 531088 , 70853 , 4463532 , 5604516 , 14526101 , 1355147 , 764313297 , 41668226 , 7155867728 , 2478798301
n×2
143314290
n×3
214971435
n×4
286628580
n×5
358285725
n÷2
35828572.5
n÷3
23885715
n÷3
17914286.25
n÷5
14331429
n2
5134746429551025
n3
3.6794126944057E+23
n4
2.6365620895787E+31
n5
1.8892851195444E+39
2 √n
8465.0543412314
3 √n
415.35537373293
4 √n
92.005729936952
5 √n
37.243621141066
1 , 5 , 63 , 109 , 315 , 545 , 2087 , 6867 , 10435 , 34335 , 131481 , 227483 , 657405 , 1137415 , 14331429 , 71657145
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71657144
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71657145 can be divided by 16 positive divisors.
The sum of these divisors (counting 71657145) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010001010110011010111001
3
Ternary
11222211120010100
4
Quaternary
10101112122321
5
Quinary
121321012040
6
Senary
11035510013
8
Octal
421263271
10
Decimal
71657145
12
Duodecimal
1bbb8309
16
Hexadecimal
44566b9
20
Vigesimal
127h2h5
36
Base36
16nv09
md5
3dd618cd3ba7b7f4ed95d35dcbe891b0
sha1
0401d60b2ee9a1fd581aead5d9ef1dd65a6f6596
sha256
5eabce0749855ce29fda92677c4a82d89fee53458e336cdd37384f30fa0745b8
sha512
6c69f7e8a2ff473c9670f2f3a0669f4e6f0c9b807295c07c08b5f66c0c64616abe05ee89ad2ac7e193f0229428a12326ede27ce143fc5dd7cac9af25e883f8d5
ripemd-160
5ecc32be878168a5e3c894f71c74c09251beb57c
Diameter
143314290
Circumference
450235120.61844
Area
1.6131281661124E+16
Volume
1.5412287853693E+24
Surface area
6.4525126644496E+16
Circumference
450235120.61844
Perimeter
286628580
Area
5134746429551025
Diagonal
101338506.29994
Surface area
30808478577306150
Volume
3.6794126944057E+23
Space diagonal
124113815.86533
Perimeter
214971435
Area
2.2234104249913E+15
Altitude
62056907.932665
Surface area
2.2234104249913E+15
Volume
4.3362294449969E+22
Height
33779502.099978