68615421 is an odd 8-digits composite number following 68615420
and preceding 68615422 . In scientific notation, it is written as 6.8615421 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 37630656 positive integers (up to 68615421) that are relatively prime to 68615421.
68615421 has 16 divisors, whose sum is 74807040
The reverse of 68615421 is 12451686
Previous prime number is 367
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
sixty-eight million six hundred fifteen thousand four hundred twenty-one
Scientific notation
6.8615421 × 10^7
Engineering notation
6.8615421 × 10^6
Prime Factorization
21 × 29 × 367 × 307
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68615421
Product of the distinct prime numbers
The prime factorization of 68615421 is 21 × 29 × 367 × 307.
Since it has a total of 4 prime factors.
6 , 3 , 64 , 63 , 137 , 202 , 5547 , 128 , 72100 , 45443 , 549027 , 221807 , 9845790 , 9134046 , 25420039 , 67807836 , 556692474 , 610317529 , 2636496578 , 4186082460
n×2
137230842
n×3
205846263
n×4
274461684
n×5
343077105
n÷2
34307710.5
n÷3
22871807
n÷3
17153855.25
n÷5
13723084.2
n2
4708075999007241
n3
3.2304661677188E+23
n4
2.2165979612428E+31
n5
1.5209280229842E+39
2 √n
8283.4425814392
3 √n
409.39315539006
4 √n
91.013419787629
5 √n
36.921925909508
1 , 21 , 29 , 307 , 367 , 609 , 6447 , 7707 , 8903 , 10643 , 112669 , 186963 , 223503 , 2366049 , 3267401 , 68615421
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68615420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68615421 can be divided by 16 positive divisors.
The sum of these divisors (counting 68615421) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000101101111110011111101
3
Ternary
11210010000122220
4
Quaternary
10011233303331
5
Quinary
120031143141
6
Senary
10450355553
8
Octal
405576375
10
Decimal
68615421
12
Duodecimal
1ab8bbb9
16
Hexadecimal
416fcfd
20
Vigesimal
118gib1
36
Base36
14unzx
md5
94f75896a90a6db31dd7a50cf45b551b
sha1
e9072696c12f3d4f6f076f2abb2a9ae896dc3f19
sha256
7b931117684eaec4f75412e6b3400ff48c3b2f8b3e674b78b8fea50609c4ac06
sha512
1baa446b7e7f49987452dda9fb43f2a9d3d3b18077ccc512a530560f136113070c4ab7dc4db1e4cf69123911991fadb32bd9149fc8416e80ccb22d0b148ae115
ripemd-160
d22b7f34df0c8c777dbbd99e66cea4e39a0d3eb3
Diameter
137230842
Circumference
431123405.07314
Area
1.4790856971024E+16
Volume
1.3531745040234E+24
Surface area
5.9163427884094E+16
Circumference
431123405.07314
Perimeter
274461684
Area
4708075999007241
Diagonal
97036858.96614
Surface area
28248455994043446
Volume
3.2304661677188E+23
Space diagonal
118845395.35473
Perimeter
205846263
Area
2.038656709044E+15
Altitude
59422697.677364
Surface area
2.038656709044E+15
Volume
3.8071408893128E+22
Height
32345619.65538