68221491 is an odd 8-digits composite number following 68221490
and preceding 68221492 . In scientific notation, it is written as 6.8221491 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 41982432 positive integers (up to 68221491) that are relatively prime to 68221491.
68221491 has 8 divisors, whose sum is 97959120
The reverse of 68221491 is 19412286
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
sixty-eight million two hundred twenty-one thousand four hundred ninety-one
Scientific notation
6.8221491 × 10^7
Engineering notation
6.8221491 × 10^6
Prime Factorization
3 × 13 × 1749269
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68221491
Product of the distinct prime numbers
The prime factorization of 68221491 is 3 × 13 × 1749269.
Since it has a total of 3 prime factors.
9 , 5 , 69 , 50 , 234 , 285 , 9837 , 2678 , 91875 , 95827 , 512270 , 152791 , 3417693 , 4221104 , 83010750 , 63548580 , 761254675 , 440093605 , 408875535 , 2347531352
n×2
136442982
n×3
204664473
n×4
272885964
n×5
341107455
n÷2
34110745.5
n÷3
22740497
n÷3
17055372.75
n÷5
13644298.2
n2
4654171834263081
n3
3.1751454190363E+23
n4
2.1661315462848E+31
n5
1.4777672378968E+39
2 √n
8259.6301975331
3 √n
408.60819160313
4 √n
90.882507654295
5 √n
36.879433505679
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68221490
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68221491 can be divided by 8 positive divisors.
The sum of these divisors (counting 68221491) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000100001111101000110011
3
Ternary
11202101000021220
4
Quaternary
10010033220303
5
Quinary
114431041431
6
Senary
10434120123
8
Octal
404175063
10
Decimal
68221491
12
Duodecimal
1aa20043
16
Hexadecimal
410fa33
20
Vigesimal
1167deb
36
Base36
14m81f
md5
fd653c47fdd9bb45853590a41c0ed36f
sha1
38b87cfbb0c4a7778fc5a8cc08f735bd93c5cbac
sha256
077a8d77e82c8c1f5cda87c5fd2fa7dbba0c6a25cf027e9f1d3af80d65d0cc68
sha512
8450c04f224326bbe02912b945874c2bb6f7792a595c0d9cb973b3b3a0a3e39b1f4aaeb5ff798216e3216370759872ce61c0df803f1f1862c0ddf2c5a66600b6
ripemd-160
4b4780be2f2747836cbb60728a8dd8396c778d34
Diameter
136442982
Circumference
428648269.88508
Area
1.4621512043065E+16
Volume
1.3300018030032E+24
Surface area
5.8486048172262E+16
Circumference
428648269.88508
Perimeter
272885964
Area
4654171834263081
Diagonal
96479757.817514
Surface area
27925031005578486
Volume
3.1751454190363E+23
Space diagonal
118163088.5801
Perimeter
204664473
Area
2.0153155210249E+15
Altitude
59081544.290051
Surface area
2.0153155210249E+15
Volume
3.7419447617566E+22
Height
32159919.272505