68751428 is an even 8-digits composite number following 68751427
and preceding 68751429 . In scientific notation, it is written as 6.8751428 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors.
There are 33266760 positive integers (up to 68751428) that are relatively prime to 68751428.
68751428 has 12 divisors, whose sum is 124196352
The reverse of 68751428 is 82415786
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
sixty-eight million seven hundred fifty-one thousand four hundred twenty-eight
Scientific notation
6.8751428 × 10^7
Engineering notation
6.8751428 × 10^6
Prime Factorization
2 × 2 × 31 × 554447
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
34375714
Product of the distinct prime numbers
The prime factorization of 68751428 is 2 × 2 × 31 × 554447.
Since it has a total of 4 prime factors.
4 , 9 , 45 , 98 , 109 , 283 , 8363 , 3193 , 54090 , 53357 , 888153 , 671697 , 2808626 , 7866216 , 18608368 , 92808453 , 251657377 , 757169611 , 6944535340 , 6280586597
n×2
137502856
n×3
206254284
n×4
275005712
n×5
343757140
n÷2
34375714
n÷3
22917142.666667
n÷3
17187857
n÷5
13750285.6
n2
4726758852039184
n3
3.2497142088933E+23
n4
2.2342249245331E+31
n5
1.5360615403484E+39
2 √n
8291.6480870814
3 √n
409.66347162196
4 √n
91.058487177645
5 √n
36.936551378673
1 , 2 , 4 , 31 , 62 , 124 , 554447 , 1108894 , 2217788 , 17187857 , 34375714 , 68751428
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68751427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68751428 can be divided by 12 positive divisors.
The sum of these divisors (counting 68751428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100000110010001000001000100
3
Ternary
11210100221020012
4
Quaternary
10012101001010
5
Quinary
120100021203
6
Senary
10453325352
8
Octal
406210104
10
Decimal
68751428
12
Duodecimal
1b036858
16
Hexadecimal
4191044
20
Vigesimal
119dib8
36
Base36
14xkxw
md5
5f2fcbea713d97a3fbe163e09d3f85a7
sha1
0f34f1fa638d0787b8574a42bab51d0afad518ff
sha256
a0875f02cac970fd0954732a077c44fa787c54d527cd8ddd0b8341bc3a3f19bb
sha512
ede7dc5687ee8bb6c3ea34abbf58cb55208806b4af9ba60e3bf8a7d8fad9c33197e4fe78f2266f292d0cbf49c6a2f128cc382362b93a6fdedb1c65d89598a4d9
ripemd-160
18801716258115abc93c3433de5c9c09cf134e05
Diameter
137502856
Circumference
431977962.25722
Area
1.4849550884857E+16
Volume
1.3612371046568E+24
Surface area
5.9398203539427E+16
Circumference
431977962.25722
Perimeter
275005712
Area
4726758852039184
Diagonal
97229201.910117
Surface area
28360553112235104
Volume
3.2497142088933E+23
Space diagonal
119080966.38891
Perimeter
206254284
Area
2.0467466217145E+15
Altitude
59540483.194457
Surface area
2.0467466217145E+15
Volume
3.8298249233779E+22
Height
32409733.970039