71661471 is an odd 8-digits composite number following 71661470
and preceding 71661472 . In scientific notation, it is written as 7.1661471 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors.
There are 40803840 positive integers (up to 71661471) that are relatively prime to 71661471.
71661471 has 24 divisors, whose sum is 111543984
The reverse of 71661471 is 17416617
Previous prime number is 353
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
seventy-one million six hundred sixty-one thousand four hundred seventy-one
Scientific notation
7.1661471 × 10^7
Engineering notation
7.1661471 × 10^6
Prime Factorization
3 × 7 × 7 × 353 × 1381
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10237353
Product of the distinct prime numbers
The prime factorization of 71661471 is 3 × 7 × 7 × 353 × 1381.
Since it has a total of 5 prime factors.
9 , 10 , 67 , 32 , 415 , 373 , 2608 , 7007 , 40662 , 2062 , 960198 , 462414 , 5000443 , 2891962 , 43540701 , 72827940 , 398355323 , 917230994 , 3040140642 , 9914751341
n×2
143322942
n×3
214984413
n×4
286645884
n×5
358307355
n÷2
35830735.5
n÷3
23887157
n÷3
17915367.75
n÷5
14332294.2
n2
5135366425883841
n3
3.6800791220285E+23
n4
2.6371988328095E+31
n5
1.8898554767861E+39
2 √n
8465.3098584754
3 √n
415.36373201173
4 √n
92.007118520663
5 √n
37.244070815734
1 , 3 , 7 , 21 , 49 , 147 , 353 , 1059 , 1381 , 2471 , 4143 , 7413 , 9667 , 17297 , 29001 , 51891 , 67669 , 203007 , 487493 , 1462479 , 3412451 , 10237353 , 23887157 , 71661471
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71661470
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71661471 can be divided by 24 positive divisors.
The sum of these divisors (counting 71661471) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100010001010111011110011111
3
Ternary
11222211210001120
4
Quaternary
10101113132133
5
Quinary
121321131341
6
Senary
11035542023
8
Octal
421273637
10
Decimal
71661471
12
Duodecimal
1bbba913
16
Hexadecimal
445779f
20
Vigesimal
127hddb
36
Base36
16nycf
md5
f4f6674b057c3d0800a4f92c0781a8cc
sha1
70abed54fb2951718c2384f1324ccd311cd3c9d8
sha256
e9d4cd2b9836589ec549868fcedcf37361e07d52882f69b5f5666028c770e139
sha512
5c6e9cb1dce9ab741cd4d623fd5dcc1438ab43610a1b7dc7df8a1d301409d0f4115b108fe834fe34c1e1d18fcd4be7b5c57675daab64a974e5fc6d2687f386d3
ripemd-160
d5bd817d0df6df6c81e0650cc4b21ec9d86f7f44
Diameter
143322942
Circumference
450262301.67808
Area
1.6133229437048E+16
Volume
1.5415079379192E+24
Surface area
6.4532917748193E+16
Circumference
450262301.67808
Perimeter
286645884
Area
5135366425883841
Diagonal
101344624.18781
Surface area
30812198555303046
Volume
3.6800791220285E+23
Space diagonal
124121308.71712
Perimeter
214984413
Area
2.2236788912786E+15
Altitude
62060654.358562
Surface area
2.2236788912786E+15
Volume
4.3370148374823E+22
Height
33781541.395935