68706872 is an even 8-digits composite number following 68706871
and preceding 68706873 . In scientific notation, it is written as 6.8706872 × 10^7.
The sum of its digits is 44. It has a total of 5 prime factors and 16 positive divisors.
There are 31710816 positive integers (up to 68706872) that are relatively prime to 68706872.
68706872 has 16 divisors, whose sum is 138735240
The reverse of 68706872 is 27860786
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
sixty-eight million seven hundred six thousand eight hundred seventy-two
Scientific notation
6.8706872 × 10^7
Engineering notation
6.8706872 × 10^6
Prime Factorization
2 × 2 × 2 × 13 × 660643
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
17176718
Product of the distinct prime numbers
The prime factorization of 68706872 is 2 × 2 × 2 × 13 × 660643.
Since it has a total of 5 prime factors.
5 , 6 , 76 , 82 , 611 , 8 , 388 , 7445 , 25131 , 63728 , 997945 , 180256 , 9497001 , 7368230 , 61696847 , 85472567 , 361758998 , 122263479 , 180962733 , 8618635824
n×2
137413744
n×3
206120616
n×4
274827488
n×5
343534360
n÷2
34353436
n÷3
22902290.666667
n÷3
17176718
n÷5
13741374.4
n2
4720634260024384
n3
3.2434001386231E+23
n4
2.2284387816916E+31
n5
1.5310905813352E+39
2 √n
8288.9608516388
3 √n
409.57495510828
4 √n
91.043730435647
5 √n
36.931762614794
1 , 2 , 4 , 8 , 13 , 26 , 52 , 104 , 660643 , 1321286 , 2642572 , 5285144 , 8588359 , 17176718 , 34353436 , 68706872
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
-68706871
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 68706872 can be divided by 16 positive divisors.
The sum of these divisors (counting 68706872) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000110000110001000111000
3
Ternary
11210021200002222
4
Quaternary
10012012020320
5
Quinary
120042104442
6
Senary
10452343212
8
Octal
406061070
10
Decimal
68706872
12
Duodecimal
1b014b08
16
Hexadecimal
4186238
20
Vigesimal
119873c
36
Base36
14wmk8
md5
fb4e6044759d02731e478dad6e8d5f58
sha1
aec28fe6edab34bfdb7560e087507c94bedf8324
sha256
4ab4b1242b41878fcf282d0ce0bfe2b41027733234c26baadbf9dc4edd711a17
sha512
c860285686c6a8f2ceaf5f4ed24b8f25af13b8049a26c22d8f7b9abb10c4be7add213d0d8868c1b09f41b12fa5ad5a7c2913e7195d7a2fa24c93d2a36ff27312
ripemd-160
475ea6ee533a55e3e1593b33d4354d95b2efe1c2
Diameter
137413744
Circumference
431698008.65267
Area
1.4830309911577E+16
Volume
1.3585922730867E+24
Surface area
5.9321239646308E+16
Circumference
431698008.65267
Perimeter
274827488
Area
4720634260024384
Diagonal
97166190.210632
Surface area
28323805560146304
Volume
3.2434001386231E+23
Space diagonal
119003793.13313
Perimeter
206120616
Area
2.0440945955781E+15
Altitude
59501896.566566
Surface area
2.0440945955781E+15
Volume
3.822383720203E+22
Height
32388730.070211