29121887 is an odd 8-digits composite number following 29121886
and preceding 29121888 . In scientific notation, it is written as 2.9121887 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 26894560 positive integers (up to 29121887) that are relatively prime to 29121887.
29121887 has 8 divisors, whose sum is 31436640
The reverse of 29121887 is 78812192
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-nine million one hundred twenty-one thousand eight hundred eighty-seven
Scientific notation
2.9121887 × 10^7
Engineering notation
2.9121887 × 10^6
Prime Factorization
23 × 29 × 43661
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
29121887
Product of the distinct prime numbers
The prime factorization of 29121887 is 23 × 29 × 43661.
Since it has a total of 3 prime factors.
10 , 10 , 33 , 37 , 374 , 569 , 4124 , 9100 , 28832 , 44802 , 360818 , 266283 , 561170 , 1540688 , 42198243 , 27473906 , 787458479 , 288681625 , 120804455 , 6473039453
n×2
58243774
n×3
87365661
n×4
116487548
n×5
145609435
n÷2
14560943.5
n÷3
9707295.6666667
n÷3
7280471.75
n÷5
5824377.4
n2
848084302440769
n3
2.4697815222154E+22
n4
7.1924698404645E+29
n5
2.0945829394491E+37
2 √n
5396.469864643
3 √n
307.66151252536
4 √n
73.460668827904
5 √n
31.105981006095
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
-29121886
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 29121887 can be divided by 8 positive divisors.
The sum of these divisors (counting 29121887) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101111000101110101011111
3
Ternary
2000210112201102
4
Quaternary
1233011311133
5
Quinary
24423400022
6
Senary
2520103315
8
Octal
157056537
10
Decimal
29121887
12
Duodecimal
9904b3b
16
Hexadecimal
1bc5d5f
20
Vigesimal
9204e7
36
Base36
hc6lb
md5
28f2b7140cb2f203ebcec1e603bb28fd
sha1
5c0066bf0eb0dcd314a658c6b5b29ce798645957
sha256
5be6f245bc3de098b84d6980b68eace7af58a1052b46f7b57c72ac559cb3217d
sha512
1c672d684479d946db4282c6e68f872a725a47b2e9624fc6c0ce0e080e6bc86c615ad8d8ae62195e41b6202fb7a9ff8db994fd22e4c6bf868f360bca7a0c6e5f
ripemd-160
a46ef65a05b10588185c91e25c7698c3aa3a0832
Diameter
58243774
Circumference
182978212.51574
Area
2.6643354141727E+15
Volume
1.0345396648218E+23
Surface area
1.0657341656691E+16
Circumference
182978212.51574
Perimeter
116487548
Area
848084302440769
Diagonal
41184567.557297
Surface area
5088505814644614
Volume
2.4697815222154E+22
Space diagonal
50440587.89628
Perimeter
87365661
Area
3.6723127523226E+14
Altitude
25220293.94814
Surface area
3.6723127523226E+14
Volume
2.9106654373462E+21
Height
13728189.185766