71285215 is an odd 8-digits composite number following 71285214
and preceding 71285216 . In scientific notation, it is written as 7.1285215 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 56904192 positive integers (up to 71285215) that are relatively prime to 71285215.
71285215 has 8 divisors, whose sum is 85728240
The reverse of 71285215 is 51258217
Previous prime number is 467
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
seventy-one million two hundred eighty-five thousand two hundred fifteen
Scientific notation
7.1285215 × 10^7
Engineering notation
7.1285215 × 10^6
Prime Factorization
5 × 467 × 30529
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71285215
Product of the distinct prime numbers
The prime factorization of 71285215 is 5 × 467 × 30529.
Since it has a total of 3 prime factors.
10 , 3 , 20 , 20 , 135 , 871 , 5907 , 7716 , 10289 , 62419 , 902808 , 1849 , 5920665 , 129238 , 6849295 , 27808265 , 729501255 , 422472292 , 5321000781 , 7670029951
n×2
142570430
n×3
213855645
n×4
285140860
n×5
356426075
n÷2
35642607.5
n÷3
23761738.333333
n÷3
17821303.75
n÷5
14257043
n2
5081581877596225
n3
3.6224165668455E+23
n4
2.5822474378714E+31
n5
1.8407606379186E+39
2 √n
8443.05720696
3 √n
414.63550518628
4 √n
91.886109978386
5 √n
37.204878684975
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71285214
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71285215 can be divided by 8 positive divisors.
The sum of these divisors (counting 71285215) is 1, the average is 0.125.
Base
System
Value
2
Binary
100001111111011100111011111
3
Ternary
11222010122221011
4
Quaternary
10033323213133
5
Quinary
121222111330
6
Senary
11023520051
8
Octal
417734737
10
Decimal
71285215
12
Duodecimal
1ba59027
16
Hexadecimal
43fb9df
20
Vigesimal
125ad0f
36
Base36
16fw0v
md5
ed8e4101c4fd25386867e675e198d527
sha1
862d74dd2ed41c6fd4239bf513236f5ad23bdba7
sha256
9bccb039ae537644d4483f0a33e7cf37701d0b9019b9afab818200f3829d9fc3
sha512
2c33e33a4f1bf68ff37174c93b86c284d12dac3ccac744ba78edbbbb90df02f96455e7d872dfaf7bdc35886c409b3223b035ce1d21a97215285da87384e3b234
ripemd-160
7edc7b22402fbfbdce034f46ac8abb61c4b431d9
Diameter
142570430
Circumference
447898215.50714
Area
1.5964260295271E+16
Volume
1.5173543032858E+24
Surface area
6.3857041181085E+16
Circumference
447898215.50714
Perimeter
285140860
Area
5081581877596225
Diagonal
100812517.84968
Surface area
30489491265577350
Volume
3.6224165668455E+23
Space diagonal
123469614.20847
Perimeter
213855645
Area
2.2003894987045E+15
Altitude
61734807.104236
Surface area
2.2003894987045E+15
Volume
4.2690588644983E+22
Height
33604172.616561