71768909 is an odd 8-digits composite number following 71768908
and preceding 71768910 . In scientific notation, it is written as 7.1768909 × 10^7.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 67991580 positive integers (up to 71768909) that are relatively prime to 71768909.
71768909 has 4 divisors, whose sum is 75546240
The reverse of 71768909 is 90986717
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
seventy-one million seven hundred sixty-eight thousand nine hundred nine
Scientific notation
7.1768909 × 10^7
Engineering notation
7.1768909 × 10^6
Prime Factorization
19 × 3777311
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71768909
Product of the distinct prime numbers
The prime factorization of 71768909 is 19 × 3777311.
Since it has a total of 2 prime factors.
7 , 1 , 51 , 82 , 989 , 597 , 6471 , 3901 , 51981 , 20818 , 368139 , 528850 , 4637515 , 1399027 , 71181501 , 64896978 , 241418162 , 142834566 , 2391675248 , 1963489427
n×2
143537818
n×3
215306727
n×4
287075636
n×5
358844545
n÷2
35884454.5
n÷3
23922969.666667
n÷3
17942227.25
n÷5
14353781.8
n2
5150776299050281
n3
3.696655954859E+23
n4
2.6530496482858E+31
n5
1.9040647878031E+39
2 √n
8471.6532624984
3 √n
415.57120549738
4 √n
92.041584419752
5 √n
37.255231711357
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
-71768908
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 71768909 can be divided by 4 positive divisors.
The sum of these divisors (counting 71768909) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010001110001101101001101
3
Ternary
12000001020102202
4
Quaternary
10101301231031
5
Quinary
121333101114
6
Senary
11042131245
8
Octal
421615515
10
Decimal
71768909
12
Duodecimal
20050b25
16
Hexadecimal
4471b4d
20
Vigesimal
128b259
36
Base36
16q98t
md5
22f65688aac1ca921aec6c428dcbae0e
sha1
0c845e8c839ffb90fef765fa8285a8e7d300f5d8
sha256
810bcc5498684b33af70d5450259d2d67ddce961ae53d902f9d71d4e463fcbbf
sha512
46bc8761c4e893fda1534c468db2570f139157695dbc7f7c59f0cb6e4e38700513fcb511cbaa155fa2608094c7e850c2af480886b3cffc188486deadaa9b39a3
ripemd-160
352e2f48b15e4d0b8de5449c56806c00338b59d5
Diameter
143537818
Circumference
450937354.54111
Area
1.6181640981381E+16
Volume
1.5484516254179E+24
Surface area
6.4726563925523E+16
Circumference
450937354.54111
Perimeter
287075636
Area
5150776299050281
Diagonal
101496564.46452
Surface area
30904657794301686
Volume
3.696655954859E+23
Space diagonal
124307396.79179
Perimeter
215306727
Area
2.2303515620942E+15
Altitude
62153698.395894
Surface area
2.2303515620942E+15
Volume
4.356550822324E+22
Height
33832188.15484