68638216 is an even 8-digits composite number following 68638215
and preceding 68638217 . In scientific notation, it is written as 6.8638216 × 10^7.
The sum of its digits is 40. It has a total of 5 prime factors and 16 positive divisors.
There are 33211920 positive integers (up to 68638216) that are relatively prime to 68638216.
68638216 has 16 divisors, whose sum is 132848640
The reverse of 68638216 is 61283686
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-eight million six hundred thirty-eight thousand two hundred sixteen
Scientific notation
6.8638216 × 10^7
Engineering notation
6.8638216 × 10^6
Prime Factorization
2 × 2 × 2 × 31 × 276767
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
17159554
Product of the distinct prime numbers
The prime factorization of 68638216 is 2 × 2 × 2 × 31 × 276767.
Since it has a total of 5 prime factors.
8 , 8 , 61 , 46 , 346 , 890 , 5849 , 1022 , 24510 , 18771 , 398431 , 721137 , 7592098 , 8723622 , 25447156 , 16014677 , 912886127 , 571608270 , 2390861006 , 1949486550
n×2
137276432
n×3
205914648
n×4
274552864
n×5
343191080
n÷2
34319108
n÷3
22879405.333333
n÷3
17159554
n÷5
13727643.2
n2
4711204695662656
n3
3.2336868552111E+23
n4
2.2195449684434E+31
n5
1.5234560696573E+39
2 √n
8284.8184047691
3 √n
409.43848574298
4 √n
91.020977828021
5 √n
36.924378779343
1 , 2 , 4 , 8 , 31 , 62 , 124 , 248 , 276767 , 553534 , 1107068 , 2214136 , 8579777 , 17159554 , 34319108 , 68638216
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
-68638215
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 68638216 can be divided by 16 positive divisors.
The sum of these divisors (counting 68638216) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000101110101011000001000
3
Ternary
11210011011221011
4
Quaternary
10011311120020
5
Quinary
120032410331
6
Senary
10451053304
8
Octal
405653010
10
Decimal
68638216
12
Duodecimal
1aba1234
16
Hexadecimal
4175608
20
Vigesimal
118jfag
36
Base36
14v5l4
md5
f72fcc9def7f831c5f39a53ac90bbd72
sha1
2533e34e189b1c0f42a760eefa7f3fbade0972c1
sha256
c1d9324ead7eb72f41dedc11aca62fd9ee326524dda1ff95015ccf0e057c6355
sha512
8d565dd4ed971f77f997a06f33ec80f5c252f01848aaafda9e330b0cc6fc721b09026b729e719d3865f87d8b6839aeeb0a6cde52717b1be63896a8123dc52cf2
ripemd-160
04564a7500a43c872d1040480d307b79eb8198b5
Diameter
137276432
Circumference
431266630.28222
Area
1.4800686061452E+16
Volume
1.3545235824455E+24
Surface area
5.9202744245806E+16
Circumference
431266630.28222
Perimeter
274552864
Area
4711204695662656
Diagonal
97069095.964294
Surface area
28267228173975936
Volume
3.2336868552111E+23
Space diagonal
118884877.45289
Perimeter
205914648
Area
2.0400114744362E+15
Altitude
59442438.726444
Surface area
2.0400114744362E+15
Volume
3.8109365059226E+22
Height
32356365.321431