68191509 is an odd 8-digits composite number following 68191508
and preceding 68191510 . In scientific notation, it is written as 6.8191509 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 45461004 positive integers (up to 68191509) that are relatively prime to 68191509.
68191509 has 4 divisors, whose sum is 90922016
The reverse of 68191509 is 90519186
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
sixty-eight million one hundred ninety-one thousand five hundred nine
Scientific notation
6.8191509 × 10^7
Engineering notation
6.8191509 × 10^6
Prime Factorization
3 × 22730503
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
68191509
Product of the distinct prime numbers
The prime factorization of 68191509 is 3 × 22730503.
Since it has a total of 2 prime factors.
6 , 3 , 91 , 54 , 828 , 674 , 8662 , 2463 , 72297 , 21436 , 312759 , 776238 , 7149079 , 9514449 , 86253371 , 8817698 , 473166557 , 143563340 , 5956966387 , 5394467316
n×2
136383018
n×3
204574527
n×4
272766036
n×5
340957545
n÷2
34095754.5
n÷3
22730503
n÷3
17047877.25
n÷5
13638301.8
n2
4650081899697081
n3
3.1709610171393E+23
n4
2.162326167389E+31
n5
1.4745228430445E+39
2 √n
8257.8150257801
3 √n
408.54832441791
4 √n
90.872520740761
5 √n
36.876191378932
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
-68191508
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 68191509 can be divided by 4 positive divisors.
The sum of these divisors (counting 68191509) is 1, the average is 0.25.
Base
System
Value
2
Binary
100000100001000010100010101
3
Ternary
11202022111011110
4
Quaternary
10010020110111
5
Quinary
114424112014
6
Senary
10433325233
8
Octal
404102425
10
Decimal
68191509
12
Duodecimal
1aa06819
16
Hexadecimal
4108515
20
Vigesimal
1163if9
36
Base36
14lkwl
md5
72dde9e7187a06df8c74494ab0119def
sha1
7cf6ce2c93ee956fe02e98cf4395cdb48831c568
sha256
ce15bde5ae642e76c36675c5088a03e9d1945975b2fd8ef1c60dcfe081bc29e6
sha512
133e650f79172a267fec5723b6c82156f398d6b220bc94621709e1de4ec395bec0525faf7045c4f212f9c1ca4b90d8783f8909bc22df868c5e732532fdc216f3
ripemd-160
560516cb0c9bda4f716482e317804c3dc0ef95a6
Diameter
136383018
Circumference
428459887.4232
Area
1.4608663134679E+16
Volume
1.3282490448353E+24
Surface area
5.8434652538717E+16
Circumference
428459887.4232
Perimeter
272766036
Area
4650081899697081
Diagonal
96437356.866487
Surface area
27900491398182486
Volume
3.1709610171393E+23
Space diagonal
118111158.23279
Perimeter
204574527
Area
2.0135445274079E+15
Altitude
59055579.116395
Surface area
2.0135445274079E+15
Volume
3.737013396829E+22
Height
32145785.622162