29121789 is an odd 8-digits composite number following 29121788
and preceding 29121790 . In scientific notation, it is written as 2.9121789 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 19414524 positive integers (up to 29121789) that are relatively prime to 29121789.
29121789 has 4 divisors, whose sum is 38829056
The reverse of 29121789 is 98712192
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-nine million one hundred twenty-one thousand seven hundred eighty-nine
Scientific notation
2.9121789 × 10^7
Engineering notation
2.9121789 × 10^6
Prime Factorization
3 × 9707263
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
29121789
Product of the distinct prime numbers
The prime factorization of 29121789 is 3 × 9707263.
Since it has a total of 2 prime factors.
3 , 5 , 35 , 99 , 868 , 439 , 1851 , 9075 , 19671 , 59382 , 753032 , 956826 , 578476 , 5629616 , 80835224 , 6846094 , 173820829 , 168063837 , 9758107289 , 164028528
n×2
58243578
n×3
87365367
n×4
116487156
n×5
145608945
n÷2
14560894.5
n÷3
9707263
n÷3
7280447.25
n÷5
5824357.8
n2
848078594560521
n3
2.4697565886208E+22
n4
7.1923730255175E+29
n5
2.0945476965841E+37
2 √n
5396.4607846254
3 √n
307.66116741423
4 √n
73.46060702598
5 √n
31.105960070705
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
-29121788
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 29121789 can be divided by 4 positive divisors.
The sum of these divisors (counting 29121789) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101111000101110011111101
3
Ternary
2000210112120210
4
Quaternary
1233011303331
5
Quinary
24423344124
6
Senary
2520103033
8
Octal
157056375
10
Decimal
29121789
12
Duodecimal
9904a79
16
Hexadecimal
1bc5cfd
20
Vigesimal
920499
36
Base36
hc6il
md5
0eeef1f76542ac49b665fa5b9a46a946
sha1
d57557ca1e0ddab00cb8a833435899eeaf1bf50a
sha256
2d59f3186112e6ae86113373287c30f772c1206a12eee7aa7bf7bcafb3a24409
sha512
046b4ea6cf4d669a073d689a60110d7f7e0f65e22f51582dc9fc8c1fa0612a4faeb5e6594248222aae10fe8f030b22556b29910ec171115e0036ae1eb87cdb4a
ripemd-160
bf458c2311d356aff476bafd8d3cdb6188829b30
Diameter
58243578
Circumference
182977596.76358
Area
2.6643174823381E+15
Volume
1.0345292206621E+23
Surface area
1.0657269929352E+16
Circumference
182977596.76358
Perimeter
116487156
Area
848078594560521
Diagonal
41184428.964368
Surface area
5088471567363126
Volume
2.4697565886208E+22
Space diagonal
50440418.1553
Perimeter
87365367
Area
3.6722880364761E+14
Altitude
25220209.07765
Surface area
3.6722880364761E+14
Volume
2.9106360528232E+21
Height
13728142.988123