29686921 is an odd 8-digits composite number following 29686920
and preceding 29686922 . In scientific notation, it is written as 2.9686921 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 26887920 positive integers (up to 29686921) that are relatively prime to 29686921.
29686921 has 8 divisors, whose sum is 32505984
The reverse of 29686921 is 12968692
Previous prime number is 277
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-nine million six hundred eighty-six thousand nine hundred twenty-one
Scientific notation
2.9686921 × 10^7
Engineering notation
2.9686921 × 10^6
Prime Factorization
11 × 277 × 9743
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
29686921
Product of the distinct prime numbers
The prime factorization of 29686921 is 11 × 277 × 9743.
Since it has a total of 3 prime factors.
1 , 3 , 45 , 12 , 307 , 270 , 4743 , 7664 , 61171 , 34313 , 165891 , 250857 , 4996246 , 183125 , 19600790 , 32785548 , 814684778 , 118379707 , 2385465907 , 7647818492
n×2
59373842
n×3
89060763
n×4
118747684
n×5
148434605
n÷2
14843460.5
n÷3
9895640.3333333
n÷3
7421730.25
n÷5
5937384.2
n2
881313278460241
n3
2.61634776739E+22
n4
7.7671309479034E+29
n5
2.3058220284706E+37
2 √n
5448.5705464828
3 √n
309.63856940473
4 √n
73.814433185406
5 √n
31.225761002197
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
-29686920
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 29686921 can be divided by 8 positive divisors.
The sum of these divisors (counting 29686921) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110001001111110010001001
3
Ternary
2001212020210121
4
Quaternary
1301033302021
5
Quinary
30044440141
6
Senary
2540143241
8
Octal
161176211
10
Decimal
29686921
12
Duodecimal
9b37b21
16
Hexadecimal
1c4fc89
20
Vigesimal
95ah61
36
Base36
hoakp
md5
f6ff661c088f9a8f624d46fdb9e994f7
sha1
4a0c7fbd18738f3c1b872356b549adaacd13d891
sha256
0fba0d534da203cb350653745c7e60273ee3a5379d1d1c88545c70b85a9e4582
sha512
d6c67c8e75403ada6c0bb267b7428a6198f4b72c7dc568d9e9dcf754543f09b31b9b958a468e727761b84d8382edea54eea10501ae9339ace5ddcef1de269938
ripemd-160
04c5c3bc8b41802edfef5497f62762ea709fae55
Diameter
59373842
Circumference
186528425.8426
Area
2.7687273211218E+15
Volume
1.0959331900358E+23
Surface area
1.1074909284487E+16
Circumference
186528425.8426
Perimeter
118747684
Area
881313278460241
Diagonal
41983646.303299
Surface area
5287879670761446
Volume
2.61634776739E+22
Space diagonal
51419255.492283
Perimeter
89060763
Area
3.8161984391956E+14
Altitude
25709627.746142
Surface area
3.8161984391956E+14
Volume
3.0833954137729E+21
Height
13994548.767766