29686979 is an odd 8-digits composite number following 29686978
and preceding 29686980 . In scientific notation, it is written as 2.9686979 × 10^7.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 25421256 positive integers (up to 29686979) that are relatively prime to 29686979.
29686979 has 8 divisors, whose sum is 33960960
The reverse of 29686979 is 97968692
Previous prime number is 2143
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
twenty-nine million six hundred eighty-six thousand nine hundred seventy-nine
Scientific notation
2.9686979 × 10^7
Engineering notation
2.9686979 × 10^6
Prime Factorization
7 × 2143 × 1979
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
29686979
Product of the distinct prime numbers
The prime factorization of 29686979 is 7 × 2143 × 1979.
Since it has a total of 3 prime factors.
3 , 5 , 11 , 30 , 619 , 979 , 3108 , 379 , 21175 , 46461 , 230861 , 725990 , 2933088 , 3884789 , 73067946 , 61830138 , 554726045 , 802875616 , 7960980078 , 8547862254
n×2
59373958
n×3
89060937
n×4
118747916
n×5
148434895
n÷2
14843489.5
n÷3
9895659.6666667
n÷3
7421744.75
n÷5
5937395.8
n2
881316722146441
n3
2.616363102271E+22
n4
7.7671916473495E+29
n5
2.3058445532384E+37
2 √n
5448.5758689771
3 √n
309.63877105386
4 √n
73.814469238606
5 √n
31.22577320348
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
-29686978
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 29686979 can be divided by 8 positive divisors.
The sum of these divisors (counting 29686979) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110001001111110011000011
3
Ternary
2001212020212202
4
Quaternary
1301033303003
5
Quinary
30044440404
6
Senary
2540143415
8
Octal
161176303
10
Decimal
29686979
12
Duodecimal
9b37b6b
16
Hexadecimal
1c4fcc3
20
Vigesimal
95ah8j
36
Base36
hoamb
md5
8b6559f066880a4949a362c49357adb7
sha1
5a744425cf674b0b2b7fe5714ee1225b336e4bf0
sha256
1b43c6afa5054eeacf74514e7295e769997da6d45ce86efe700b3a52c856a29c
sha512
cb50e1c90a541b85fa6359f384793e174a94b11799de4512872673f77553d2f5f19f3b76dd2691a40e280e847ef5f6daea0e8d72a69b9ce61b4e82f752c8b3b2
ripemd-160
a899023e12f9129ca96b989267abdae2ac4c1e21
Diameter
59373958
Circumference
186528790.26735
Area
2.7687381397811E+15
Volume
1.0959396134957E+23
Surface area
1.1074952559124E+16
Circumference
186528790.26735
Perimeter
118747916
Area
881316722146441
Diagonal
41983728.327685
Surface area
5287900332878646
Volume
2.616363102271E+22
Space diagonal
51419355.95123
Perimeter
89060937
Area
3.8162133507942E+14
Altitude
25709677.975615
Surface area
3.8162133507942E+14
Volume
3.0834134861035E+21
Height
13994576.109228