68711949 is an odd 8-digits composite number following 68711948
and preceding 68711950 . In scientific notation, it is written as 6.8711949 × 10^7.
The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors.
There are 45807948 positive integers (up to 68711949) that are relatively prime to 68711949.
68711949 has 4 divisors, whose sum is 71256864
The reverse of 68711949 is 94911786
Previous prime number is 27
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-eight million seven hundred eleven thousand nine hundred forty-nine
Scientific notation
6.8711949 × 10^7
Engineering notation
6.8711949 × 10^6
Prime Factorization
27 × 2544887
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
68711949
Product of the distinct prime numbers
The prime factorization of 68711949 is 27 × 2544887.
Since it has a total of 2 prime factors.
4 , 6 , 87 , 5 , 794 , 516 , 9778 , 777 , 86226 , 22332 , 434561 , 418516 , 3485558 , 7368601 , 25821587 , 41800534 , 784206820 , 12182281 , 6419189828 , 3861847347
n×2
137423898
n×3
206135847
n×4
274847796
n×5
343559745
n÷2
34355974.5
n÷3
22903983
n÷3
17177987.25
n÷5
13742389.8
n2
4721331935378601
n3
3.2441191915581E+23
n4
2.2290975244026E+31
n5
1.5316563541278E+39
2 √n
8289.2670966739
3 √n
409.58504318617
4 √n
91.045412276917
5 √n
36.932308403044
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
-68711948
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 68711949 can be divided by 4 positive divisors.
The sum of these divisors (counting 68711949) is 1, the average is 0.25.
Base
System
Value
2
Binary
100000110000111011000001101
3
Ternary
11210021221002000
4
Quaternary
10012013120031
5
Quinary
120042240244
6
Senary
10452422513
8
Octal
406073015
10
Decimal
68711949
12
Duodecimal
1b017a39
16
Hexadecimal
418760d
20
Vigesimal
1198jh9
36
Base36
14wqh9
md5
f3f85f8f9b0d55a7592e681d4a65007e
sha1
5ca8b6c6a9fb5d6d9c1d34ce4ecfabb84a3178ec
sha256
14b503d0c2aee3840f774ec2d13ab518143ec4f9deb10a851a0de6c3c5eaedac
sha512
1c5201b8bcc26fbd608d89a3a8a08f7046f162ea2fa5007010f4f5e43d0d461cc25a57e8793030628076dc1b60b05ce6e3e41078d4f228108e366aa4e3a9a68c
ripemd-160
4a5fdc10ac90d886676145135c2014195fe5865c
Diameter
137423898
Circumference
431729908.38447
Area
1.4832501723344E+16
Volume
1.3588934692758E+24
Surface area
5.9330006893377E+16
Circumference
431729908.38447
Perimeter
274847796
Area
4721331935378601
Diagonal
97173370.172888
Surface area
28327991612271606
Volume
3.2441191915581E+23
Space diagonal
119012586.75508
Perimeter
206135847
Area
2.0443966978683E+15
Altitude
59506293.377541
Surface area
2.0443966978683E+15
Volume
3.8232311322135E+22
Height
32391123.390963