68543721 is an odd 8-digits composite number following 68543720
and preceding 68543722 . In scientific notation, it is written as 6.8543721 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 44460576 positive integers (up to 68543721) that are relatively prime to 68543721.
68543721 has 8 divisors, whose sum is 92215424
The reverse of 68543721 is 12734586
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
sixty-eight million five hundred forty-three thousand seven hundred twenty-one
Scientific notation
6.8543721 × 10^7
Engineering notation
6.8543721 × 10^6
Prime Factorization
111 × 3 × 205837
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68543721
Product of the distinct prime numbers
The prime factorization of 68543721 is 111 × 3 × 205837.
Since it has a total of 3 prime factors.
9 , 4 , 62 , 17 , 61 , 57 , 197 , 8994 , 8912 , 78386 , 576210 , 972049 , 5870433 , 5610408 , 28185161 , 31517555 , 227845799 , 718042291 , 6399805885 , 5162598446
n×2
137087442
n×3
205631163
n×4
274174884
n×5
342718605
n÷2
34271860.5
n÷3
22847907
n÷3
17135930.25
n÷5
13708744.2
n2
4698241688525841
n3
3.2203496748888E+23
n4
2.2073474963802E+31
n5
1.5129981094193E+39
2 √n
8279.1135395041
3 √n
409.25050660398
4 √n
90.989634242061
5 √n
36.914206334906
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
-68543720
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 68543721 can be divided by 8 positive divisors.
The sum of these divisors (counting 68543721) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000101011110010011101001
3
Ternary
11202222101022100
4
Quaternary
10011132103221
5
Quinary
120021344341
6
Senary
10445044013
8
Octal
405362351
10
Decimal
68543721
12
Duodecimal
1ab56609
16
Hexadecimal
415e4e9
20
Vigesimal
1187j61
36
Base36
14t4o9
md5
07bc5b09041e78bd732c230b99ae0677
sha1
f200813fb3a17086bb6808be2ee9ca6df2800eaf
sha256
0f460c0b6a7fcc8c00e9e23710bae4c1bee229b9499af87a1916ccb9e18cf88d
sha512
024bd074c2ad61b858d565ae41d598bb26b7f4e92fdba0b96fb6c211c8577e2efee09d7b1a4ea1d1ca74842011621434ae11ccf7a47d891905cce94503884373
ripemd-160
dcddceb8e9e96bf54931a8f8adb5b1a84de6997b
Diameter
137087442
Circumference
430672900.68662
Area
1.4759961573462E+16
Volume
1.3489369174161E+24
Surface area
5.9039846293848E+16
Circumference
430672900.68662
Perimeter
274174884
Area
4698241688525841
Diagonal
96935459.853718
Surface area
28189450131155046
Volume
3.2203496748888E+23
Space diagonal
118721207.31183
Perimeter
205631163
Area
2.0343983276912E+15
Altitude
59360603.655913
Surface area
2.0343983276912E+15
Volume
3.7952184881763E+22
Height
32311819.951239