68751387 is an odd 8-digits composite number following 68751386
and preceding 68751388 . In scientific notation, it is written as 6.8751387 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 45767808 positive integers (up to 68751387) that are relatively prime to 68751387.
68751387 has 8 divisors, whose sum is 76501200
The reverse of 68751387 is 78315786
Previous prime number is 739
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-eight million seven hundred fifty-one thousand three hundred eighty-seven
Scientific notation
6.8751387 × 10^7
Engineering notation
6.8751387 × 10^6
Prime Factorization
9 × 739 × 10337
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68751387
Product of the distinct prime numbers
The prime factorization of 68751387 is 9 × 739 × 10337.
Since it has a total of 3 prime factors.
8 , 1 , 48 , 45 , 206 , 189 , 474 , 7161 , 42013 , 28199 , 26336 , 745678 , 9713479 , 875228 , 59725695 , 13662067 , 14364245 , 355124247 , 3863535382 , 7350150545
n×2
137502774
n×3
206254161
n×4
275005548
n×5
343756935
n÷2
34375693.5
n÷3
22917129
n÷3
17187846.75
n÷5
13750277.4
n2
4726753214423769
n3
3.2497083949834E+23
n4
2.2342195950065E+31
n5
1.5360569601928E+39
2 √n
8291.6456147136
3 √n
409.6633901875
4 √n
91.058473601931
5 √n
36.93654697324
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68751386
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68751387 can be divided by 8 positive divisors.
The sum of these divisors (counting 68751387) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000110010001000000011011
3
Ternary
11210100221011200
4
Quaternary
10012101000123
5
Quinary
120100021022
6
Senary
10453325243
8
Octal
406210033
10
Decimal
68751387
12
Duodecimal
1b036823
16
Hexadecimal
419101b
20
Vigesimal
119di97
36
Base36
14xkwr
md5
a0fd6d14da49bd29c227dcf60111e045
sha1
d8baf636566da7f87d9bd447aa93508ea8723bf9
sha256
6439ca91a10de9c8100d1f3ed4821600b362f3cfbde793ad1af82d341db6aac0
sha512
e8fe23b89fe9e6fd5803291698f519d75c890fe2dbb17d5be82c1bb55296bdb12772d54c1691ff75884ebd047fad5c8d107068a8c418b1cad86e733e04c46e05
ripemd-160
6b27a490bfc84ef77161737f8cd3354de1f13ace
Diameter
137502774
Circumference
431977704.64662
Area
1.4849533173766E+16
Volume
1.3612346693319E+24
Surface area
5.9398132695063E+16
Circumference
431977704.64662
Perimeter
275005548
Area
4726753214423769
Diagonal
97229143.927361
Surface area
28360519286542614
Volume
3.2497083949834E+23
Space diagonal
119080895.37483
Perimeter
206254161
Area
2.0467441805554E+15
Altitude
59540447.687415
Surface area
2.0467441805554E+15
Volume
3.8298180716194E+22
Height
32409714.642454