68382021 is an odd 8-digits composite number following 68382020
and preceding 68382022 . In scientific notation, it is written as 6.8382021 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 45588012 positive integers (up to 68382021) that are relatively prime to 68382021.
68382021 has 4 divisors, whose sum is 91176032
The reverse of 68382021 is 12028386
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
sixty-eight million three hundred eighty-two thousand twenty-one
Scientific notation
6.8382021 × 10^7
Engineering notation
6.8382021 × 10^6
Prime Factorization
3 × 22794007
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
68382021
Product of the distinct prime numbers
The prime factorization of 68382021 is 3 × 22794007.
Since it has a total of 2 prime factors.
8 , 2 , 86 , 98 , 224 , 634 , 243 , 2799 , 25437 , 59192 , 265995 , 887872 , 6343092 , 7508288 , 68716245 , 53279882 , 630244546 , 299108517 , 8280916283 , 6192537592
n×2
136764042
n×3
205146063
n×4
273528084
n×5
341910105
n÷2
34191010.5
n÷3
22794007
n÷3
17095505.25
n÷5
13676404.2
n2
4676100796044441
n3
3.1976122283323E+23
n4
2.1865918654767E+31
n5
1.4952357086346E+39
2 √n
8269.3422350269
3 √n
408.92843522031
4 √n
90.935923787175
5 √n
36.896773176554
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
-68382020
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 68382021 can be divided by 4 positive divisors.
The sum of these divisors (counting 68382021) is 1, the average is 0.25.
Base
System
Value
2
Binary
100000100110110110101000101
3
Ternary
11202200011111110
4
Quaternary
10010312311011
5
Quinary
120001211041
6
Senary
10441355233
8
Octal
404666505
10
Decimal
68382021
12
Duodecimal
1aa98b19
16
Hexadecimal
4136d45
20
Vigesimal
1177f11
36
Base36
14pnwl
md5
8d9c3a948cf58bc7b0f6e19d8f58ed17
sha1
07a3765c6380f5ff6100883a1f21664973888a6b
sha256
8ad227e600ca17780e3bffcfc058facf90bb6835d52aadaa6f3c708b1d0a5729
sha512
ad16dc712b888fe524b62dd89b04a70c8a6d160465497ae9dba4f9bb474183b54ec4b10163e6f1b7fa6263b4ea0656a7a7e9205c1a514f6a791ef39e2a61e46a
ripemd-160
1d66994ef0603fc562833667476339430140416a
Diameter
136764042
Circumference
429656909.62245
Area
1.4690403908299E+16
Volume
1.3394126780743E+24
Surface area
5.8761615633194E+16
Circumference
429656909.62245
Perimeter
273528084
Area
4676100796044441
Diagonal
96706781.520682
Surface area
28056604776266646
Volume
3.1976122283323E+23
Space diagonal
118441134.69624
Perimeter
205146063
Area
2.0248110400156E+15
Altitude
59220567.348121
Surface area
2.0248110400156E+15
Volume
3.7684221504313E+22
Height
32235593.840227