71209145 is an odd 8-digits composite number following 71209144
and preceding 71209146 . In scientific notation, it is written as 7.1209145 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 48734784 positive integers (up to 71209145) that are relatively prime to 71209145.
71209145 has 16 divisors, whose sum is 97847040
The reverse of 71209145 is 54190217
Previous prime number is 613
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
seventy-one million two hundred nine thousand one hundred forty-five
Scientific notation
7.1209145 × 10^7
Engineering notation
7.1209145 × 10^6
Prime Factorization
5 × 7 × 613 × 3319
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71209145
Product of the distinct prime numbers
The prime factorization of 71209145 is 5 × 7 × 613 × 3319.
Since it has a total of 4 prime factors.
6 , 10 , 11 , 91 , 588 , 478 , 2970 , 2245 , 59754 , 36111 , 229400 , 285391 , 5330524 , 597568 , 19605096 , 28892041 , 219664173 , 510508024 , 7233225559 , 4072248701
n×2
142418290
n×3
213627435
n×4
284836580
n×5
356045725
n÷2
35604572.5
n÷3
23736381.666667
n÷3
17802286.25
n÷5
14241829
n2
5070742331631025
n3
3.6108322595075E+23
n4
2.5712427793795E+31
n5
1.8309599990704E+39
2 √n
8438.5511197124
3 √n
414.48796384356
4 √n
91.861586747195
5 √n
37.196934866745
1 , 5 , 7 , 35 , 613 , 3065 , 3319 , 4291 , 16595 , 21455 , 23233 , 116165 , 2034547 , 10172735 , 14241829 , 71209145
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
-71209144
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 71209145 can be divided by 16 positive divisors.
The sum of these divisors (counting 71209145) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100001111101001000010111001
3
Ternary
11221222210120202
4
Quaternary
10033221002321
5
Quinary
121212143040
6
Senary
11022131545
8
Octal
417510271
10
Decimal
71209145
12
Duodecimal
1ba20bb5
16
Hexadecimal
43e90b9
20
Vigesimal
12512h5
36
Base36
16e9bt
md5
9b84c6d904d3ca50c485a7a671e36779
sha1
cbc4190f83fa89bc16196066765176c5ce0f4d24
sha256
0473232ec5ee5b554796504eeaef5dea81b04e21b39a9a65c53430c04507632a
sha512
9d6ed87ac3ae771ba93eb52dcee5a5ef8026fafcfb7b12e17c1f8b044fce35c784a7b4ebd7c331ff7ff1d06d8d6ed37be44484fec415decd57f3ff1cc55b5398
ripemd-160
e67c5e701f89726c0c62f1a657b7ae1071d240c2
Diameter
142418290
Circumference
447420253.60082
Area
1.5930206857299E+16
Volume
1.5125018799752E+24
Surface area
6.3720827429195E+16
Circumference
447420253.60082
Perimeter
284836580
Area
5070742331631025
Diagonal
100704938.62399
Surface area
30424453989786150
Volume
3.6108322595075E+23
Space diagonal
123337857.10354
Perimeter
213627435
Area
2.1956958376188E+15
Altitude
61668928.55177
Surface area
2.1956958376188E+15
Volume
4.2554066273748E+22
Height
33568312.874664