29686989 is an odd 8-digits composite number following 29686988
and preceding 29686990 . In scientific notation, it is written as 2.9686989 × 10^7.
The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors.
There are 19791324 positive integers (up to 29686989) that are relatively prime to 29686989.
29686989 has 4 divisors, whose sum is 39582656
The reverse of 29686989 is 98968692
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 57
Digital Root 3
Name
twenty-nine million six hundred eighty-six thousand nine hundred eighty-nine
Scientific notation
2.9686989 × 10^7
Engineering notation
2.9686989 × 10^6
Prime Factorization
3 × 9895663
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
29686989
Product of the distinct prime numbers
The prime factorization of 29686989 is 3 × 9895663.
Since it has a total of 2 prime factors.
8 , 4 , 24 , 62 , 917 , 503 , 1127 , 8387 , 87389 , 36836 , 173624 , 577310 , 6857816 , 706841 , 86961400 , 49664292 , 629252328 , 5318615 , 7516557588 , 8734514268
n×2
59373978
n×3
89060967
n×4
118747956
n×5
148434945
n÷2
14843494.5
n÷3
9895663
n÷3
7421747.25
n÷5
5937397.8
n2
881317315886121
n3
2.6163657462221E+22
n4
7.7672021128072E+29
n5
2.3058484368368E+37
2 √n
5448.5767866481
3 √n
309.63880582093
4 √n
73.81447545467
5 √n
31.225775307148
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-29686988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 29686989 can be divided by 4 positive divisors.
The sum of these divisors (counting 29686989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110001001111110011001101
3
Ternary
2001212020220010
4
Quaternary
1301033303031
5
Quinary
30044440424
6
Senary
2540143433
8
Octal
161176315
10
Decimal
29686989
12
Duodecimal
9b37b79
16
Hexadecimal
1c4fccd
20
Vigesimal
95ah99
36
Base36
hoaml
md5
51a7f2d37e1d29d6bc2ea2e512dfa92c
sha1
e4efea31bbc1927004fa544f14c84c5cde8ebb35
sha256
b416a188183049f04ec1712b19df9739be8ded78cfb24b1f8761d3fd380e4db2
sha512
e2a391f72dd879c8bd342ff8e2195f078b6f0f6483a63d6d2fcfcd2a63c5906c41f4c962f8f62b22a89823c37bf98eb1faf069aa9e2839e7f0277a8956b8742d
ripemd-160
0f471294d1ba1ca1a8a96704b00a8e3d108d7183
Diameter
59373978
Circumference
186528853.0992
Area
2.7687400050693E+15
Volume
1.0959407209914E+23
Surface area
1.1074960020277E+16
Circumference
186528853.0992
Perimeter
118747956
Area
881317315886121
Diagonal
41983742.469821
Surface area
5287903895316726
Volume
2.6163657462221E+22
Space diagonal
51419373.271738
Perimeter
89060967
Area
3.8162159217625E+14
Altitude
25709686.635869
Surface area
3.8162159217625E+14
Volume
3.0834166020297E+21
Height
13994580.823274