71131491 is an odd 8-digits composite number following 71131490
and preceding 71131492 . In scientific notation, it is written as 7.1131491 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 46959984 positive integers (up to 71131491) that are relatively prime to 71131491.
71131491 has 12 divisors, whose sum is 103744368
The reverse of 71131491 is 19413117
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
seventy-one million one hundred thirty-one thousand four hundred ninety-one
Scientific notation
7.1131491 × 10^7
Engineering notation
7.1131491 × 10^6
Prime Factorization
3 × 3 × 103 × 76733
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
23710497
Product of the distinct prime numbers
The prime factorization of 71131491 is 3 × 3 × 103 × 76733.
Since it has a total of 4 prime factors.
8 , 3 , 93 , 40 , 66 , 522 , 5259 , 5737 , 45024 , 50204 , 878740 , 961453 , 4877255 , 1703155 , 36753216 , 78394283 , 976066614 , 507716924 , 4568280811 , 6536436
n×2
142262982
n×3
213394473
n×4
284525964
n×5
355657455
n÷2
35565745.5
n÷3
23710497
n÷3
17782872.75
n÷5
14226298.2
n2
5059689011883081
n3
3.5990322341156E+23
n4
2.560045289697E+31
n5
1.8209983848368E+39
2 √n
8433.9487193129
3 √n
414.33724183845
4 √n
91.836532596309
5 √n
37.188818629507
1 , 3 , 9 , 103 , 309 , 927 , 76733 , 230199 , 690597 , 7903499 , 23710497 , 71131491
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71131490
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71131491 can be divided by 12 positive divisors.
The sum of these divisors (counting 71131491) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100001111010110000101100011
3
Ternary
11221211212001200
4
Quaternary
10033112011203
5
Quinary
121202201431
6
Senary
11020332243
8
Octal
417260543
10
Decimal
71131491
12
Duodecimal
1b9a4083
16
Hexadecimal
43d6163
20
Vigesimal
124b8eb
36
Base36
16cler
md5
a10d922e6d6db937a34ccb9ce7a2746f
sha1
0408b6863e5812adcf00779fed63ea7e24c42084
sha256
1ce93dd5f829aee27197a74bea1d2155041541508f63be61ef13e97b71ac9b06
sha512
ca87c851129a4ee8382916a9f3f7c096c230ef33d78c87c500e4a7d44aaf17fe49b7c5a747dd90ca7518a90e713e9e4db420e9253ff1da8e45ad44e76a51e8da
ripemd-160
403a9b21573110799f3b9f6ddd3db6f26fd7596b
Diameter
142262982
Circumference
446932339.12898
Area
1.5895481829181E+16
Volume
1.5075590968974E+24
Surface area
6.3581927316724E+16
Circumference
446932339.12898
Perimeter
284525964
Area
5059689011883081
Diagonal
100595119.28402
Surface area
30358134071298486
Volume
3.5990322341156E+23
Space diagonal
123203356.43013
Perimeter
213394473
Area
2.1909096097699E+15
Altitude
61601678.215064
Surface area
2.1909096097699E+15
Volume
4.2415001640869E+22
Height
33531706.428007