29122905 is an odd 8-digits composite number following 29122904
and preceding 29122906 . In scientific notation, it is written as 2.9122905 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors.
There are 13312992 positive integers (up to 29122905) that are relatively prime to 29122905.
29122905 has 12 divisors, whose sum is 36137088
The reverse of 29122905 is 50922192
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-nine million one hundred twenty-two thousand nine hundred five
Scientific notation
2.9122905 × 10^7
Engineering notation
2.9122905 × 10^6
Prime Factorization
15 × 7 × 7 × 39623
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4160415
Product of the distinct prime numbers
The prime factorization of 29122905 is 15 × 7 × 7 × 39623.
Since it has a total of 4 prime factors.
7 , 4 , 28 , 77 , 78 , 206 , 6863 , 4894 , 50793 , 27580 , 383786 , 648485 , 748929 , 1149297 , 39120967 , 97785181 , 561009288 , 820405289 , 9119792914 , 3463601508
n×2
58245810
n×3
87368715
n×4
116491620
n×5
145614525
n÷2
14561452.5
n÷3
9707635
n÷3
7280726.25
n÷5
5824581
n2
848143595639025
n3
2.4700405362154E+22
n4
7.1934755882349E+29
n5
2.0949490617599E+37
2 √n
5396.5641847383
3 √n
307.66509740948
4 √n
73.461310801934
5 √n
31.106198474461
1 , 7 , 15 , 49 , 105 , 735 , 39623 , 277361 , 594345 , 1941527 , 4160415 , 29122905
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-29122904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 29122905 can be divided by 12 positive divisors.
The sum of these divisors (counting 29122905) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101111000110000101011001
3
Ternary
2000210121010010
4
Quaternary
1233012011121
5
Quinary
24423413110
6
Senary
2520112133
8
Octal
157060531
10
Decimal
29122905
12
Duodecimal
9905649
16
Hexadecimal
1bc6159
20
Vigesimal
920755
36
Base36
hc7dl
md5
180bce35f9f5cd2cc16451c589f78afe
sha1
61762763de5282411eb3ad651db7d8523bdddaac
sha256
ab5c7a0c6f53fa469a1c44e7389d32374a1663029400ff0c68b35f62ff1b2788
sha512
ee91bb31850a95c6d0b2bcf6bfff0470f9a7fb251a839cc05f6cb8084687e0338ee50414c73466e05ea7f16c3b80611d53b1e469324173ce5149f16f91a27785
ripemd-160
eaf5912b72beb0650be814ecbb90b724a0d563eb
Diameter
58245810
Circumference
182984608.79839
Area
2.6645216892488E+15
Volume
1.0346481603524E+23
Surface area
1.0658086756995E+16
Circumference
182984608.79839
Perimeter
116491620
Area
848143595639025
Diagonal
41186007.226703
Surface area
5088861573834150
Volume
2.4700405362154E+22
Space diagonal
50442351.124002
Perimeter
87368715
Area
3.6725694994024E+14
Altitude
25221175.562001
Surface area
3.6725694994024E+14
Volume
2.9109706882726E+21
Height
13728669.075568