71398185 is an odd 8-digits composite number following 71398184
and preceding 71398186 . In scientific notation, it is written as 7.1398185 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 38041920 positive integers (up to 71398185) that are relatively prime to 71398185.
71398185 has 16 divisors, whose sum is 114348480
The reverse of 71398185 is 58189317
Previous prime number is 3109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-one million three hundred ninety-eight thousand one hundred eighty-five
Scientific notation
7.1398185 × 10^7
Engineering notation
7.1398185 × 10^6
Prime Factorization
3 × 5 × 3109 × 1531
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71398185
Product of the distinct prime numbers
The prime factorization of 71398185 is 3 × 5 × 3109 × 1531.
Since it has a total of 4 prime factors.
3 , 6 , 68 , 7 , 346 , 635 , 5206 , 2331 , 17245 , 84722 , 24119 , 154556 , 1900861 , 5242734 , 22332744 , 36245679 , 912216839 , 48345981 , 2381610182 , 6221662052
n×2
142796370
n×3
214194555
n×4
285592740
n×5
356990925
n÷2
35699092.5
n÷3
23799395
n÷3
17849546.25
n÷5
14279637
n2
5097700821294225
n3
3.6396658631342E+23
n4
2.5986553663424E+31
n5
1.8553927659736E+39
2 √n
8449.7446706986
3 √n
414.85442225374
4 √n
91.922492735449
5 √n
37.216663382135
1 , 3 , 5 , 15 , 1531 , 3109 , 4593 , 7655 , 9327 , 15545 , 22965 , 46635 , 4759879 , 14279637 , 23799395 , 71398185
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
-71398184
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 71398185 can be divided by 16 positive divisors.
The sum of these divisors (counting 71398185) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000010111001100101001
3
Ternary
11222100101220020
4
Quaternary
10100113030221
5
Quinary
121234220220
6
Senary
11030151053
8
Octal
420271451
10
Decimal
71398185
12
Duodecimal
1bab2489
16
Hexadecimal
4417329
20
Vigesimal
1264f95
36
Base36
16ib6x
md5
f68fb4748185ea48ae71a187b0731074
sha1
95e112f6f9d444ba3f743ff099c2bc9fd3df818e
sha256
8817742c9a54922dcbf1b9436eb9f81174dafbadc406a468838c759d6951043e
sha512
637034e257270038467b002916278cc35640caef0f23a7399da686607bf9a176f602885fee4da7ce232dcfea43890566d466542bc8855c32627b76c4c05ac3af
ripemd-160
192e3da47fc3bbded887952645256f396b05a1f3
Diameter
142796370
Circumference
448608026.95129
Area
1.6014899450377E+16
Volume
1.5245796716192E+24
Surface area
6.4059597801506E+16
Circumference
448608026.95129
Perimeter
285592740
Area
5097700821294225
Diagonal
100972281.55582
Surface area
30586204927765350
Volume
3.6396658631342E+23
Space diagonal
123665283.9882
Perimeter
214194555
Area
2.2073692060668E+15
Altitude
61832641.994101
Surface area
2.2073692060668E+15
Volume
4.2893873551256E+22
Height
33657427.185274