68758521 is an odd 8-digits composite number following 68758520
and preceding 68758522 . In scientific notation, it is written as 6.8758521 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 41914944 positive integers (up to 68758521) that are relatively prime to 68758521.
68758521 has 16 divisors, whose sum is 99658944
The reverse of 68758521 is 12585786
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
sixty-eight million seven hundred fifty-eight thousand five hundred twenty-one
Scientific notation
6.8758521 × 10^7
Engineering notation
6.8758521 × 10^6
Prime Factorization
13 × 3 × 107 × 16477
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68758521
Product of the distinct prime numbers
The prime factorization of 68758521 is 13 × 3 × 107 × 16477.
Since it has a total of 4 prime factors.
9 , 9 , 23 , 49 , 237 , 311 , 6257 , 4242 , 34036 , 90849 , 118497 , 504533 , 6708302 , 3318943 , 77667477 , 5642093 , 163373723 , 14686734 , 1887682208 , 3675785253
n×2
137517042
n×3
206275563
n×4
275034084
n×5
343792605
n÷2
34379260.5
n÷3
22919507
n÷3
17189630.25
n÷5
13751704.2
n2
4727734210107441
n3
3.2507201196809E+23
n4
2.235147076142E+31
n5
1.53685407173E+39
2 √n
8292.0757956015
3 √n
409.6775592958
4 √n
91.06083568473
5 √n
36.937313486909
1 , 3 , 13 , 39 , 107 , 321 , 1391 , 4173 , 16477 , 49431 , 214201 , 642603 , 1763039 , 5289117 , 22919507 , 68758521
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
-68758520
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 68758521 can be divided by 16 positive divisors.
The sum of these divisors (counting 68758521) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000110010010101111111001
3
Ternary
11210101021221220
4
Quaternary
10012102233321
5
Quinary
120100233041
6
Senary
10453422253
8
Octal
406225771
10
Decimal
68758521
12
Duodecimal
1b03a989
16
Hexadecimal
4192bf9
20
Vigesimal
119eg61
36
Base36
14xqex
md5
0ed3dd1894fe56cafed9ffdfd238e97d
sha1
6a098baa9d7ee634fe95c454f5598b55db4dd4bd
sha256
ccaee62a6d4f138fa19724e5c8134401febf9de31ded901621398c010f1335a2
sha512
d131aef5fb37be62e96c34d01cdad7fd70039a1e4aacd1805db657d92af3cc83e07d41b81705abb5e641b98f349c35a787fc3ba222c4c68525529ea346734aeb
ripemd-160
5608969498925dad2b77916638e039c3b86ed020
Diameter
137517042
Circumference
432022528.8906
Area
1.4852615062599E+16
Volume
1.3616584595821E+24
Surface area
5.9410460250395E+16
Circumference
432022528.8906
Perimeter
275034084
Area
4727734210107441
Diagonal
97239232.926915
Surface area
28366405260644646
Volume
3.2507201196809E+23
Space diagonal
119093251.82529
Perimeter
206275563
Area
2.0471689641469E+15
Altitude
59546625.912646
Surface area
2.0471689641469E+15
Volume
3.8310104006099E+22
Height
32413077.642305