68782009 is an odd 8-digits composite number following 68782008
and preceding 68782010 . In scientific notation, it is written as 6.8782009 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 67318516 positive integers (up to 68782009) that are relatively prime to 68782009.
68782009 has 4 divisors, whose sum is 70245504
The reverse of 68782009 is 90028786
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-eight million seven hundred eighty-two thousand nine
Scientific notation
6.8782009 × 10^7
Engineering notation
6.8782009 × 10^6
Prime Factorization
47 × 1463447
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
68782009
Product of the distinct prime numbers
The prime factorization of 68782009 is 47 × 1463447.
Since it has a total of 2 prime factors.
8 , 8 , 1 , 55 , 474 , 635 , 8804 , 1253 , 8873 , 22597 , 89374 , 331412 , 2409938 , 8472643 , 75834194 , 56095860 , 378850714 , 269781911 , 5966518555 , 5207951253
n×2
137564018
n×3
206346027
n×4
275128036
n×5
343910045
n÷2
34391004.5
n÷3
22927336.333333
n÷3
17195502.25
n÷5
13756401.8
n2
4730964762076081
n3
3.254052608438E+23
n4
2.2382027580006E+31
n5
1.5394808224462E+39
2 √n
8293.4919665965
3 √n
409.72420278034
4 √n
91.068611313649
5 √n
36.939836709003
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
-68782008
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 68782009 can be divided by 4 positive divisors.
The sum of these divisors (counting 68782009) is 1, the average is 0.25.
Base
System
Value
2
Binary
100000110011000011110111001
3
Ternary
11210102111011211
4
Quaternary
10012120132321
5
Quinary
120102011014
6
Senary
10454123121
8
Octal
406303671
10
Decimal
68782009
12
Duodecimal
1b0504a1
16
Hexadecimal
41987b9
20
Vigesimal
119hf09
36
Base36
14y8jd
md5
d25afb263ce30a4199e316297f259909
sha1
d067cfea7f973a61d38287dbe50d719fcc803b23
sha256
b0ec8a81f63551cabad79c5fb71dd3f1814a898c6760408b9b0020844ecb26af
sha512
036f4793babae05ed62cf7042d1c360a495593b56bca0b9689a87b843fb65f736c679575e9399f83bf95860c6dfebf83af60ed37d4b25291c55f3dde1a537137
ripemd-160
d0a6a5f0f77a07b97e94067d61549b5a24931a68
Diameter
137564018
Circumference
432170108.34709
Area
1.486276414093E+16
Volume
1.3630543692085E+24
Surface area
5.9451056563722E+16
Circumference
432170108.34709
Perimeter
275128036
Area
4730964762076081
Diagonal
97272449.975068
Surface area
28385788572456486
Volume
3.254052608438E+23
Space diagonal
119133934.23466
Perimeter
206346027
Area
2.0485678341834E+15
Altitude
59566967.11733
Surface area
2.0485678341834E+15
Volume
3.8349377762738E+22
Height
32424149.991689