71661693 is an odd 8-digits composite number following 71661692
and preceding 71661694 . In scientific notation, it is written as 7.1661693 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 46659816 positive integers (up to 71661693) that are relatively prime to 71661693.
71661693 has 12 divisors, whose sum is 97830240
The reverse of 71661693 is 39616617
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-one million six hundred sixty-one thousand six hundred ninety-three
Scientific notation
7.1661693 × 10^7
Engineering notation
7.1661693 × 10^6
Prime Factorization
3 × 43 × 43 × 12919
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1666551
Product of the distinct prime numbers
The prime factorization of 71661693 is 3 × 43 × 43 × 12919.
Since it has a total of 4 prime factors.
2 , 9 , 80 , 28 , 52 , 971 , 5986 , 8544 , 51881 , 44505 , 863940 , 141376 , 4325351 , 1402489 , 57532698 , 72188547 , 277833155 , 599396526 , 3979713495 , 5601162273
n×2
143323386
n×3
214985079
n×4
286646772
n×5
358308465
n÷2
35830846.5
n÷3
23887231
n÷3
17915423.25
n÷5
14332338.6
n2
5135398243626249
n3
3.6801133236748E+23
n4
2.637231512064E+31
n5
1.8898847498745E+39
2 √n
8465.3229708027
3 √n
415.36416092959
4 √n
92.007189777771
5 √n
37.244093891379
1 , 3 , 43 , 129 , 1849 , 5547 , 12919 , 38757 , 555517 , 1666551 , 23887231 , 71661693
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
-71661692
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 71661693 can be divided by 12 positive divisors.
The sum of these divisors (counting 71661693) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010001010111100001111101
3
Ternary
11222211210100210
4
Quaternary
10101113201331
5
Quinary
121321133233
6
Senary
11035543033
8
Octal
421274175
10
Decimal
71661693
12
Duodecimal
1bbbaa79
16
Hexadecimal
445787d
20
Vigesimal
127he4d
36
Base36
16nyil
md5
bb29f257690120462423fccc178da8a5
sha1
818e58ab69dc0b2302cd359fab68dff46b8e0c9e
sha256
733e5bc1b7dadfbe28f9e5979b8f75156645ca8068906bc039b96f046403583c
sha512
d4a4d10dc13e553a42f0ecf265fa5455a7a8a6fd608ee3ddeaf07d90618c89558f3d57f05f0ab6674f487380ee8f28cbed2b25d8860e720fc5bbe4e0ca2ed02d
ripemd-160
99d2241fa0957c150096c70ff106c9d86de823b3
Diameter
143323386
Circumference
450263696.54521
Area
1.6133329395434E+16
Volume
1.5415222642713E+24
Surface area
6.4533317581737E+16
Circumference
450263696.54521
Perimeter
286646772
Area
5135398243626249
Diagonal
101344938.14322
Surface area
30812389461757494
Volume
3.6801133236748E+23
Space diagonal
124121693.2324
Perimeter
214985079
Area
2.2236926687652E+15
Altitude
62060846.616201
Surface area
2.2236926687652E+15
Volume
4.3370551445091E+22
Height
33781646.047739