68638554 is an even 8-digits composite number following 68638553
and preceding 68638555 . In scientific notation, it is written as 6.8638554 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 21533568 positive integers (up to 68638554) that are relatively prime to 68638554.
68638554 has 16 divisors, whose sum is 121127400
The reverse of 68638554 is 45583686
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-eight million six hundred thirty-eight thousand five hundred fifty-four
Scientific notation
6.8638554 × 10^7
Engineering notation
6.8638554 × 10^6
Prime Factorization
2 × 9 × 17 × 224309
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68638554
Product of the distinct prime numbers
The prime factorization of 68638554 is 2 × 9 × 17 × 224309.
Since it has a total of 4 prime factors.
2 , 4 , 64 , 100 , 291 , 722 , 5727 , 703 , 10536 , 62627 , 834977 , 230325 , 6466432 , 9582275 , 55128046 , 3178809 , 269152100 , 747595883 , 6631016969 , 7248740734
n×2
137277108
n×3
205915662
n×4
274554216
n×5
343192770
n÷2
34319277
n÷3
22879518
n÷3
17159638.5
n÷5
13727710.8
n2
4711251095210916
n3
3.2337346270619E+23
n4
2.2195886882126E+31
n5
1.5234935803367E+39
2 √n
8284.8388035012
3 √n
409.43915781746
4 √n
91.021089883066
5 √n
36.924415145135
1 , 2 , 9 , 17 , 18 , 34 , 153 , 306 , 224309 , 448618 , 2018781 , 3813253 , 4037562 , 7626506 , 34319277 , 68638554
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
-68638553
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 68638554 can be divided by 16 positive divisors.
The sum of these divisors (counting 68638554) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000101110101011101011010
3
Ternary
11210011012101200
4
Quaternary
10011311131122
5
Quinary
120032413204
6
Senary
10451055030
8
Octal
405653532
10
Decimal
68638554
12
Duodecimal
1aba1476
16
Hexadecimal
417575a
20
Vigesimal
118jg7e
36
Base36
14v5ui
md5
46aa1387393da3bf4c50f24cab407247
sha1
2977a637020c33496707537215f77967a89dc484
sha256
a0caf3a5d09277b1031e91a7ca2649499c50a0d3d68d9c1724409f6463ce59db
sha512
fa43fa75846a486d66accac463c9db1e5af9685e3d266788e270a9f5f6e97b2dabcdc1dfe9628f075c8aee691428327ef255de6223e8c2ce213eae0a2f0acc03
ripemd-160
359092653b4d142632ac37b6a2f7e1ffe497c128
Diameter
137277108
Circumference
431268753.99885
Area
1.4800831829931E+16
Volume
1.3545435930716E+24
Surface area
5.9203327319726E+16
Circumference
431268753.99885
Perimeter
274554216
Area
4711251095210916
Diagonal
97069573.968478
Surface area
28267506571265496
Volume
3.2337346270619E+23
Space diagonal
118885462.88606
Perimeter
205915662
Area
2.04003156603E+15
Altitude
59442731.44303
Surface area
2.04003156603E+15
Volume
3.8109928055887E+22
Height
32356524.656159