71390245 is an odd 8-digits composite number following 71390244
and preceding 71390246 . In scientific notation, it is written as 7.1390245 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 57112192 positive integers (up to 71390245) that are relatively prime to 71390245.
71390245 has 4 divisors, whose sum is 85668300
The reverse of 71390245 is 54209317
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
seventy-one million three hundred ninety thousand two hundred forty-five
Scientific notation
7.1390245 × 10^7
Engineering notation
7.1390245 × 10^6
Prime Factorization
5 × 14278049
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71390245
Product of the distinct prime numbers
The prime factorization of 71390245 is 5 × 14278049.
Since it has a total of 2 prime factors.
4 , 7 , 48 , 38 , 172 , 605 , 2104 , 2981 , 10313 , 39261 , 863079 , 419549 , 8868765 , 6912942 , 8846363 , 4100818 , 860735231 , 954692898 , 9721938024 , 1461971039
n×2
142780490
n×3
214170735
n×4
285560980
n×5
356951225
n÷2
35695122.5
n÷3
23796748.333333
n÷3
17847561.25
n÷5
14278049
n2
5096567081160025
n3
3.6384517258295E+23
n4
2.5974996012764E+31
n5
1.8543613292252E+39
2 √n
8449.2748209536
3 √n
414.83904340237
4 √n
91.919937015609
5 √n
37.215835592317
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
-71390244
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 71390245 can be divided by 4 positive divisors.
The sum of these divisors (counting 71390245) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010000010101010000100101
3
Ternary
11222100000000011
4
Quaternary
10100111100211
5
Quinary
121233441440
6
Senary
11030050221
8
Octal
420252045
10
Decimal
71390245
12
Duodecimal
1baa9971
16
Hexadecimal
4415425
20
Vigesimal
1263fc5
36
Base36
16i52d
md5
3b045377d8f92abe768afb2304772a07
sha1
6ecd6b66334a5310f2c015c225b52afc7a998a6c
sha256
971864e6e22b7bec31e9589633f26b3f70cb11ee8c68e521fc8451b40683cd2f
sha512
e0c42aa98259b7e16cccd5f14cc6972c7f15a5134501d719387b5851a14d40872dd05d7f591bbf6ff125501198683c4764c805a53def17559d068a03f9b5c2c3
ripemd-160
564e1260063d8cfa994c349770e6097d8d59ac67
Diameter
142780490
Circumference
448558138.45995
Area
1.60113377007E+16
Volume
1.5240710949743E+24
Surface area
6.40453508028E+16
Circumference
448558138.45995
Perimeter
285560980
Area
5096567081160025
Diagonal
100961052.70014
Surface area
30579402486960150
Volume
3.6384517258295E+23
Space diagonal
123651531.50479
Perimeter
214170735
Area
2.206878282188E+15
Altitude
61825765.752395
Surface area
2.206878282188E+15
Volume
4.2879564805899E+22
Height
33653684.233379