71991471 is an odd 8-digits composite number following 71991470
and preceding 71991472 . In scientific notation, it is written as 7.1991471 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 47974680 positive integers (up to 71991471) that are relatively prime to 71991471.
71991471 has 8 divisors, whose sum is 96027904
The reverse of 71991471 is 17419917
Previous prime number is 5227
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-one million nine hundred ninety-one thousand four hundred seventy-one
Scientific notation
7.1991471 × 10^7
Engineering notation
7.1991471 × 10^6
Prime Factorization
3 × 5227 × 4591
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71991471
Product of the distinct prime numbers
The prime factorization of 71991471 is 3 × 5227 × 4591.
Since it has a total of 3 prime factors.
1 , 9 , 1 , 35 , 358 , 231 , 5209 , 8713 , 90040 , 92376 , 840118 , 509145 , 7717772 , 5559258 , 16757652 , 85159387 , 494330538 , 637708975 , 4180852042 , 4680229614
n×2
143982942
n×3
215974413
n×4
287965884
n×5
359957355
n÷2
35995735.5
n÷3
23997157
n÷3
17997867.75
n÷5
14398294.2
n2
5182771896743841
n3
3.7311537270405E+23
n4
2.6861124533678E+31
n5
1.9337718678937E+39
2 √n
8484.7787832094
3 √n
416.00033707751
4 √n
92.11285894602
5 √n
37.278309483853
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
-71991470
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 71991471 can be divided by 8 positive divisors.
The sum of these divisors (counting 71991471) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010010101000000010101111
3
Ternary
12000110112201210
4
Quaternary
10102220002233
5
Quinary
121412211341
6
Senary
11051005503
8
Octal
422500257
10
Decimal
71991471
12
Duodecimal
20139893
16
Hexadecimal
44a80af
20
Vigesimal
129iidb
36
Base36
16v0z3
md5
4f7443a668234b6b1b74ca26ae034ada
sha1
36cb775e51e50202b10541a1974d478431b1d42f
sha256
a4a422091d8cf072f6db03d9296d44b89409e3759691e644f32dc2a2bd17e4bb
sha512
c27930a30e3d002f1650479f01a5d80e88418c2c1273b2398a2f411dd29a9c0e45418642d7fff100ccb1b1e99ca2d86c0fbec78f03dde0655645f66b8bace05e
ripemd-160
e16ce8578b9cc9e941d5cf04245ca88a1c1a5082
Diameter
143982942
Circumference
452335752.82945
Area
1.6282158116042E+16
Volume
1.5629020184379E+24
Surface area
6.5128632464168E+16
Circumference
452335752.82945
Perimeter
287965884
Area
5182771896743841
Diagonal
101811314.66339
Surface area
31096631380463046
Volume
3.7311537270405E+23
Space diagonal
124692885.48362
Perimeter
215974413
Area
2.2442060623001E+15
Altitude
62346442.741811
Surface area
2.2442060623001E+15
Volume
4.397206836733E+22
Height
33937104.887796