71661372 is an even 8-digits composite number following 71661371
and preceding 71661373 . In scientific notation, it is written as 7.1661372 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors.
There are 23887120 positive integers (up to 71661372) that are relatively prime to 71661372.
71661372 has 12 divisors, whose sum is 167209896
The reverse of 71661372 is 27316617
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
seventy-one million six hundred sixty-one thousand three hundred seventy-two
Scientific notation
7.1661372 × 10^7
Engineering notation
7.1661372 × 10^6
Prime Factorization
2 × 2 × 3 × 5971781
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
35830686
Product of the distinct prime numbers
The prime factorization of 71661372 is 2 × 2 × 3 × 5971781.
Since it has a total of 4 prime factors.
7 , 8 , 72 , 81 , 312 , 951 , 8357 , 614 , 18083 , 99755 , 125401 , 561282 , 2129352 , 5766384 , 91445868 , 16514144 , 52295212 , 430428745 , 8301961284 , 8910445897
n×2
143322744
n×3
214984116
n×4
286645488
n×5
358306860
n÷2
35830686
n÷3
23887124
n÷3
17915343
n÷5
14332274.4
n2
5135352236922384
n3
3.6800638700113E+23
n4
2.6371842597264E+31
n5
1.889842422688E+39
2 √n
8465.3040110796
3 √n
415.36354073727
4 √n
92.007086743792
5 √n
37.244060525225
1 , 2 , 3 , 4 , 6 , 12 , 5971781 , 11943562 , 17915343 , 23887124 , 35830686 , 71661372
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
-71661371
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 71661372 can be divided by 12 positive divisors.
The sum of these divisors (counting 71661372) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010001010111011100111100
3
Ternary
11222211202220220
4
Quaternary
10101113130330
5
Quinary
121321130442
6
Senary
11035541340
8
Octal
421273474
10
Decimal
71661372
12
Duodecimal
1bbba850
16
Hexadecimal
445773c
20
Vigesimal
127hd8c
36
Base36
16ny9o
md5
33540b7cffa47770cd41d84ee1359f8b
sha1
d0ae9e782eac2e64a32f3408620800a1141f4dc0
sha256
c4f6816196ac14ec2ddd0bf152dc3d66aa07a46e1e8eb0484854cee8df05c467
sha512
a23dd513bf1321869e8ec125651daf3214a91b2b6be6cf6518519b72e740d7b88d37abf41adb11140da386787eeec42d47a69276d09f3ae4c7a0c1d300dc9a1c
ripemd-160
3bc4af7199b8aaf0bd59fac453c9ace058981f34
Diameter
143322744
Circumference
450261679.64273
Area
1.6133184861111E+16
Volume
1.5415015491692E+24
Surface area
6.4532739444445E+16
Circumference
450261679.64273
Perimeter
286645488
Area
5135352236922384
Diagonal
101344484.18066
Surface area
30812113421534304
Volume
3.6800638700113E+23
Space diagonal
124121137.24409
Perimeter
214984116
Area
2.223672747278E+15
Altitude
62060568.622047
Surface area
2.223672747278E+15
Volume
4.3369968628076E+22
Height
33781494.726888