68638488 is an even 8-digits composite number following 68638487
and preceding 68638489 . In scientific notation, it is written as 6.8638488 × 10^7.
The sum of its digits is 51. It has a total of 6 prime factors and 32 positive divisors.
There are 21675168 positive integers (up to 68638488) that are relatively prime to 68638488.
68638488 has 32 divisors, whose sum is 180628800
The reverse of 68638488 is 88483686
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
sixty-eight million six hundred thirty-eight thousand four hundred eighty-eight
Scientific notation
6.8638488 × 10^7
Engineering notation
6.8638488 × 10^6
Prime Factorization
2 × 2 × 2 × 19 × 3 × 150523
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
17159622
Product of the distinct prime numbers
The prime factorization of 68638488 is 2 × 2 × 2 × 19 × 3 × 150523.
Since it has a total of 6 prime factors.
8 , 8 , 32 , 10 , 78 , 251 , 2607 , 512 , 64979 , 88570 , 883327 , 713730 , 1120530 , 9297844 , 42602910 , 55130635 , 525672343 , 796142930 , 534721728 , 7709864630
n×2
137276976
n×3
205915464
n×4
274553952
n×5
343192440
n÷2
34319244
n÷3
22879496
n÷3
17159622
n÷5
13727697.6
n2
4711242034926144
n3
3.2337252987937E+23
n4
2.2195801511655E+31
n5
1.5234862557081E+39
2 √n
8284.8348203208
3 √n
409.43902658416
4 √n
91.021068002528
5 √n
36.924408044134
1 , 2 , 3 , 4 , 6 , 8 , 12 , 19 , 24 , 38 , 57 , 76 , 114 , 152 , 228 , 456 , 150523 , 301046 , 451569 , 602092 , 903138 , 1204184 , 1806276 , 2859937 , 3612552 , 5719874 , 8579811 , 11439748 , 17159622 , 22879496 , 34319244 , 68638488
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68638487
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68638488 can be divided by 32 positive divisors.
The sum of these divisors (counting 68638488) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100000101110101011100011000
3
Ternary
11210011012022020
4
Quaternary
10011311130120
5
Quinary
120032412423
6
Senary
10451054440
8
Octal
405653430
10
Decimal
68638488
12
Duodecimal
1aba1420
16
Hexadecimal
4175718
20
Vigesimal
118jg48
36
Base36
14v5so
md5
0f5add7b77a407185f988436b418167c
sha1
8765cf5423c9bca956834c00141c8b8b6d48a083
sha256
cafb06e3d909f35c56e9d527d3a1f2bd1d26263a71abec23288627c4c3b45b08
sha512
69590a3f2dc67a0a25a105a916b38f0def6f18dc0c0309c6a7da48d979ce83f1539c7f687013d274d44db312860a34e98a498cc2f557a402705ad11cd109e5ca
ripemd-160
d93ab0f2ab3eac5ed0a9cafb806cffa03612b35c
Diameter
137276976
Circumference
431268339.30862
Area
1.4800803366207E+16
Volume
1.3545396856557E+24
Surface area
5.920321346483E+16
Circumference
431268339.30862
Perimeter
274553952
Area
4711242034926144
Diagonal
97069480.630383
Surface area
28267452209556864
Volume
3.2337252987937E+23
Space diagonal
118885348.57071
Perimeter
205915464
Area
2.0400276428116E+15
Altitude
59442674.285353
Surface area
2.0400276428116E+15
Volume
3.8109818121192E+22
Height
32356493.543461