71397155 is an odd 8-digits composite number following 71397154
and preceding 71397156 . In scientific notation, it is written as 7.1397155 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 54111456 positive integers (up to 71397155) that are relatively prime to 71397155.
71397155 has 8 divisors, whose sum is 90186000
The reverse of 71397155 is 55179317
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-one million three hundred ninety-seven thousand one hundred fifty-five
Scientific notation
7.1397155 × 10^7
Engineering notation
7.1397155 × 10^6
Prime Factorization
5 × 19 × 751549
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71397155
Product of the distinct prime numbers
The prime factorization of 71397155 is 5 × 19 × 751549.
Since it has a total of 3 prime factors.
1 , 6 , 95 , 74 , 186 , 504 , 5314 , 8153 , 62280 , 29041 , 681320 , 593044 , 7283936 , 2252626 , 59752528 , 31995892 , 901904979 , 124524609 , 2268789418 , 1217919802
n×2
142794310
n×3
214191465
n×4
285588620
n×5
356985775
n÷2
35698577.5
n÷3
23799051.666667
n÷3
17849288.75
n÷5
14279431
n2
5097553742094025
n3
3.6395083464512E+23
n4
2.5985054153537E+31
n5
1.8552589390835E+39
2 √n
8449.6837218916
3 √n
414.85242732856
4 √n
91.922161212036
5 √n
37.216556002978
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
-71397154
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 71397155 can be divided by 8 positive divisors.
The sum of these divisors (counting 71397155) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000010110111100100011
3
Ternary
11222100100111002
4
Quaternary
10100112330203
5
Quinary
121234202110
6
Senary
11030142215
8
Octal
420267443
10
Decimal
71397155
12
Duodecimal
1bab196b
16
Hexadecimal
4416f23
20
Vigesimal
1264chf
36
Base36
16iaeb
md5
dffa6bb33a3c329ab3840a6416eb5f9c
sha1
0553182e058ef0e0c91a6ef733ffdc2f1ffb24b7
sha256
74888c8de6f0318ea416017976b22ddcd8dba712978e79417d060540961fe9b2
sha512
9ae58b9f4918683acbbc41b1f22a891556522f09808abac9674ae1595c73251ac461a01b5cc57f962d2f7cd1100935546a5eb9cb09a050060412ba7045d9d0d1
ripemd-160
bbae6584e2776b58ac28a659b9d6edf51cda8b8d
Diameter
142794310
Circumference
448601555.27042
Area
1.6014437387442E+16
Volume
1.5245136911853E+24
Surface area
6.4057749549767E+16
Circumference
448601555.27042
Perimeter
285588620
Area
5097553742094025
Diagonal
100970824.91585
Surface area
30585322452564150
Volume
3.6395083464512E+23
Space diagonal
123663499.97587
Perimeter
214191465
Area
2.2073055189049E+15
Altitude
61831749.987935
Surface area
2.2073055189049E+15
Volume
4.2892017199344E+22
Height
33656941.638618