71140981 is an odd 8-digits composite number following 71140980
and preceding 71140982 . In scientific notation, it is written as 7.1140981 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 71111872 positive integers (up to 71140981) that are relatively prime to 71140981.
71140981 has 4 divisors, whose sum is 71170092
The reverse of 71140981 is 18904117
Previous prime number is 2693
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
seventy-one million one hundred forty thousand nine hundred eighty-one
Scientific notation
7.1140981 × 10^7
Engineering notation
7.1140981 × 10^6
Prime Factorization
2693 × 26417
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71140981
Product of the distinct prime numbers
The prime factorization of 71140981 is 2693 × 26417.
Since it has a total of 2 prime factors.
5 , 1 , 90 , 97 , 735 , 161 , 3946 , 3344 , 76554 , 86565 , 621464 , 88379 , 5599646 , 5242736 , 64140893 , 98085513 , 83451257 , 523658296 , 6536794580 , 4905897156
n×2
142281962
n×3
213422943
n×4
284563924
n×5
355704905
n÷2
35570490.5
n÷3
23713660.333333
n÷3
17785245.25
n÷5
14228196.2
n2
5061039177642361
n3
3.6004729197691E+23
n4
2.5614117557631E+31
n5
1.8222134504992E+39
2 √n
8434.5113077166
3 √n
414.35566727149
4 √n
91.839595533281
5 √n
37.18981088498
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
-71140980
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 71140981 can be divided by 4 positive divisors.
The sum of these divisors (counting 71140981) is 1, the average is 0.25.
Base
System
Value
2
Binary
100001111011000011001110101
3
Ternary
11221212100002011
4
Quaternary
10033120121311
5
Quinary
121203002411
6
Senary
11020444221
8
Octal
417303165
10
Decimal
71140981
12
Duodecimal
1b9a9671
16
Hexadecimal
43d8675
20
Vigesimal
124cc91
36
Base36
16csqd
md5
265f3606379aeaecf492d64341ba296c
sha1
272cda33c747efd71ca200ffc1def74dd93a7f49
sha256
fcba28674fdcaed4cb45d030776f89087da580b51563f62990cae998992950f8
sha512
451ae882837ac0ccc3ffb5b904e34073f4bb541c7199ea0b46192e2983f2eaefc4f4f4cfbc8016244d4fb1edb1584c1c7a5d930aa953fc85a822ea07b4ffeb18
ripemd-160
2d726e90e844b548cfb57eff8a0f3ba3d53fd13d
Diameter
142281962
Circumference
446991966.55754
Area
1.5899723500011E+16
Volume
1.5081625698927E+24
Surface area
6.3598894000045E+16
Circumference
446991966.55754
Perimeter
284563924
Area
5061039177642361
Diagonal
100608540.17073
Surface area
30366235065854166
Volume
3.6004729197691E+23
Space diagonal
123219793.59229
Perimeter
213422943
Area
2.1914942486933E+15
Altitude
61609896.796146
Surface area
2.1914942486933E+15
Volume
4.2431980284121E+22
Height
33536180.056909