71617985 is an odd 8-digits composite number following 71617984
and preceding 71617986 . In scientific notation, it is written as 7.1617985 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 57294384 positive integers (up to 71617985) that are relatively prime to 71617985.
71617985 has 4 divisors, whose sum is 85941588
The reverse of 71617985 is 58971617
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
seventy-one million six hundred seventeen thousand nine hundred eighty-five
Scientific notation
7.1617985 × 10^7
Engineering notation
7.1617985 × 10^6
Prime Factorization
5 × 14323597
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71617985
Product of the distinct prime numbers
The prime factorization of 71617985 is 5 × 14323597.
Since it has a total of 2 prime factors.
1 , 3 , 45 , 97 , 21 , 512 , 8199 , 1948 , 73173 , 31209 , 467612 , 937801 , 6031811 , 4165899 , 16253378 , 2282780 , 962759802 , 465691751 , 621570180 , 6230622235
n×2
143235970
n×3
214853955
n×4
286471940
n×5
358089925
n÷2
35808992.5
n÷3
23872661.666667
n÷3
17904496.25
n÷5
14323597
n2
5129135775460225
n3
3.6733836902987E+23
n4
2.6308033803106E+31
n5
1.8841283702903E+39
2 √n
8462.740986229
3 √n
415.27969725858
4 √n
91.993157279381
5 √n
37.239549588612
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71617984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71617985 can be divided by 4 positive divisors.
The sum of these divisors (counting 71617985) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010001001100110111000001
3
Ternary
11222202120101222
4
Quaternary
10101030313001
5
Quinary
121313233420
6
Senary
11035004425
8
Octal
421146701
10
Decimal
71617985
12
Duodecimal
1bb99715
16
Hexadecimal
444cdc1
20
Vigesimal
127c4j5
36
Base36
16n0sh
md5
72ec5e2763770c769cec4072d1434b25
sha1
dfe8ffe030f451c0012661773af5b62b62340ddf
sha256
d4641caa1f9f1ad332c5379e88ca12ce7125bb409269bcff809238ec0a75102e
sha512
ce4f73c01cff51503e978747e2327b8a28ca09e3174b8335a40fe6a27d8ab5a48b33a33624f2011323ce5155d3f4e3972629bf027ce24a5976f12bf91327d174
ripemd-160
8a90a9334d04190409ad79c7361e206e8d8540d2
Diameter
143235970
Circumference
449989071.08181
Area
1.611365527145E+16
Volume
1.5387033620345E+24
Surface area
6.4454621085802E+16
Circumference
449989071.08181
Perimeter
286471940
Area
5129135775460225
Diagonal
101283125.69683
Surface area
30774814652761350
Volume
3.6733836902987E+23
Space diagonal
124045988.75571
Perimeter
214853955
Area
2.2209809405041E+15
Altitude
62022994.377853
Surface area
2.2209809405041E+15
Volume
4.3291241955172E+22
Height
33761041.898944