71091387 is an odd 8-digits composite number following 71091386
and preceding 71091388 . In scientific notation, it is written as 7.1091387 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 47316480 positive integers (up to 71091387) that are relatively prime to 71091387.
71091387 has 8 divisors, whose sum is 79120080
The reverse of 71091387 is 78319017
Previous prime number is 641
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-one million ninety-one thousand three hundred eighty-seven
Scientific notation
7.1091387 × 10^7
Engineering notation
7.1091387 × 10^6
Prime Factorization
9 × 641 × 12323
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71091387
Product of the distinct prime numbers
The prime factorization of 71091387 is 9 × 641 × 12323.
Since it has a total of 3 prime factors.
2 , 2 , 79 , 80 , 757 , 337 , 5224 , 2856 , 3669 , 73272 , 387451 , 952789 , 3448233 , 1080253 , 51506442 , 13427542 , 330044407 , 595313435 , 8225855997 , 8902717833
n×2
142182774
n×3
213274161
n×4
284365548
n×5
355456935
n÷2
35545693.5
n÷3
23697129
n÷3
17772846.75
n÷5
14218277.4
n2
5053985305583769
n3
3.5929482525157E+23
n4
2.5542767469057E+31
n5
1.8158707671937E+39
2 √n
8431.5708500848
3 √n
414.25935929395
4 √n
91.823585478268
5 √n
37.184624265461
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
-71091386
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 71091387 can be divided by 8 positive divisors.
The sum of these divisors (counting 71091387) is 1, the average is 0.125.
Base
System
Value
2
Binary
100001111001100010010111011
3
Ternary
11221202211001100
4
Quaternary
10033030102323
5
Quinary
121144411022
6
Senary
11015422443
8
Octal
417142273
10
Decimal
71091387
12
Duodecimal
1b984a23
16
Hexadecimal
43cc4bb
20
Vigesimal
1246897
36
Base36
16bqgr
md5
0075683ebdce0203838f2ce850330758
sha1
06df28f219added3ff0e43104563e90f9ce9a7ef
sha256
97e38b1e3481ae074df88ac43a254e6884364d2090c271db716065a0c2ee0ac8
sha512
9bed974dc841acf19bb1c9b5aabaacc9f48cafd1f6ad427d18cac1cfe5023b59690bc747ec68aeac8e41e415cc74a8682f36905ab588fa2b02b06c9960bee6f4
ripemd-160
0d2654cc88d0f143297669558a46194dbcaecc4d
Diameter
142182774
Circumference
446680358.26542
Area
1.5877563107373E+16
Volume
1.5050106446442E+24
Surface area
6.3510252429491E+16
Circumference
446680358.26542
Perimeter
284365548
Area
5053985305583769
Diagonal
100538403.66331
Surface area
30323911833502614
Volume
3.5929482525157E+23
Space diagonal
123133894.26454
Perimeter
213274161
Area
2.1884398324944E+15
Altitude
61566947.132271
Surface area
2.1884398324944E+15
Volume
4.2343301230103E+22
Height
33512801.221105