71291961 is an odd 8-digits composite number following 71291960
and preceding 71291962 . In scientific notation, it is written as 7.1291961 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 43416000 positive integers (up to 71291961) that are relatively prime to 71291961.
71291961 has 32 divisors, whose sum is 114925440
The reverse of 71291961 is 16919217
Previous prime number is 101
Is Prime? no Number parity odd Number length 8 Sum of Digits 36 Digital Root 9
Name
seventy-one million two hundred ninety-one thousand nine hundred sixty-one
Scientific notation
7.1291961 × 10^7
Engineering notation
7.1291961 × 10^6
Prime Factorization
13 × 9 × 3 × 101 × 2011
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
71291961 Product of the distinct prime numbers
The prime factorization of 71291961 is 13 × 9 × 3 × 101 × 2011.
Since it has a total of 5 prime factors.
2 , 3 , 26 , 96 , 743 , 41 , 8553 , 8387 , 22350 , 54390 , 744653 , 52676 , 3778775 , 7679199 , 81970852 , 48004003 , 943509240 , 104968274 , 986993107 , 6796895454
n×2
142583922
n×3
213875883
n×4
285167844
n×5
356459805
n÷2
35645980.5
n÷3
23763987
n÷3
17822990.25
n÷5
14258392.2
n2
5082543703225521
n3
3.6234450747115E+23
n4
2.5832250495197E+31
n5
1.8416317948458E+39
2 √n8443.4566973485
3 √n414.64858430275
4 √n91.888283787154
5 √n37.205582827093
1 , 3 , 9 , 13 , 27 , 39 , 101 , 117 , 303 , 351 , 909 , 1313 , 2011 , 2727 , 3939 , 6033 , 11817 , 18099 , 26143 , 35451 , 54297 , 78429 , 203111 , 235287 , 609333 , 705861 , 1827999 , 2640443 , 5483997 , 7921329 , 23763987 , 71291961
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-71291960 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71291961 can be divided by 32 positive divisors.
The sum of these divisors (counting 71291961) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100001111111101010000111001
3
Ternary
11222011000012000
4
Quaternary
10033331100321
5
Quinary
121222320321
6
Senary
11024011213
8
Octal
417752071
10
Decimal
71291961
12
Duodecimal
1ba60b09
16
Hexadecimal
43fd439
20
Vigesimal
125b9i1
36
Base36
16g189
md5
941f61532e83d1b1becae55ab8349717
sha1
355c5673afde060c5861aa0e9c4b9a3101c98e66
sha256
0ade1ea5b8917bf330a84d24669dd7df6ab6d3735f32cc9ea905499de0f43306
sha512
6cb9880bb1d8b3c20e8953d474e8d5aee7cc1982f38901ff602d45eb70240e67aaf01a1448f5ab46d11520df2480f49bf9d95cc525acea83de5fa2c5d602ba60
ripemd-160
20fed8c23cf59f894977589104e4980050959ca6
Diameter
142583922
Circumference
447940601.87522
Area
1.5967281959602E+16
Volume
1.5177851236533E+24
Surface area
6.3869127838409E+16
Circumference
447940601.87522
Perimeter
285167844
Area
5082543703225521
Diagonal
100822058.13437
Surface area
30495262219353126
Volume
3.6234450747115E+23
Space diagonal
123481298.62322
Perimeter
213875883
Area
2.200805981419E+15
Altitude
61740649.311609
Surface area
2.200805981419E+15
Volume
4.2702709726425E+22
Height
33607352.711458