29121988 is an even 8-digits composite number following 29121987
and preceding 29121989 . In scientific notation, it is written as 2.9121988 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 12480840 positive integers (up to 29121988) that are relatively prime to 29121988.
29121988 has 12 divisors, whose sum is 58244032
The reverse of 29121988 is 88912192
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-nine million one hundred twenty-one thousand nine hundred eighty-eight
Scientific notation
2.9121988 × 10^7
Engineering notation
2.9121988 × 10^6
Prime Factorization
2 × 2 × 7 × 1040071
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14560994
Product of the distinct prime numbers
The prime factorization of 29121988 is 2 × 2 × 7 × 1040071.
Since it has a total of 4 prime factors.
4 , 10 , 40 , 47 , 754 , 30 , 545 , 5839 , 52711 , 97287 , 736568 , 443064 , 4767628 , 7749560 , 76452634 , 77779878 , 571942552 , 278455606 , 4032580134 , 1534069420
n×2
58243976
n×3
87365964
n×4
116487952
n×5
145609940
n÷2
14560994
n÷3
9707329.3333333
n÷3
7280497
n÷5
5824397.6
n2
848090185072144
n3
2.4698072192589E+22
n4
7.192569620157E+29
n5
2.0946192616738E+37
2 √n
5396.4792226043
3 √n
307.66186820031
4 √n
73.460732521561
5 √n
31.106002582305
1 , 2 , 4 , 7 , 14 , 28 , 1040071 , 2080142 , 4160284 , 7280497 , 14560994 , 29121988
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
-29121987
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 29121988 can be divided by 12 positive divisors.
The sum of these divisors (counting 29121988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101111000101110111000100
3
Ternary
2000210112212011
4
Quaternary
1233011313010
5
Quinary
24423400423
6
Senary
2520104004
8
Octal
157056704
10
Decimal
29121988
12
Duodecimal
9905004
16
Hexadecimal
1bc5dc4
20
Vigesimal
9204j8
36
Base36
hc6o4
md5
4310009b883623fd4ea7df8a254ac802
sha1
586d27353f40a6f073ce308c4771988c7cce227e
sha256
d1ad03cc104775730a1d359605532a1f0e490db86a58c140f9476f739e73a62c
sha512
41db642fc8eb65e82402b5fd95b029118be7eb810adf9a184d49320a32980ec1b84e2e8aeb81101a82e2b7584444e200ecfc94bef9c902fd82b90864d103ee6f
ripemd-160
8f6abca0f9e8f33f26ba8204bc9455e78045b5a7
Diameter
58243976
Circumference
182978847.11746
Area
2.6643538950043E+15
Volume
1.0345504287742E+23
Surface area
1.0657415580017E+16
Circumference
182978847.11746
Perimeter
116487952
Area
848090185072144
Diagonal
41184710.392867
Surface area
5088541110432864
Volume
2.4698072192589E+22
Space diagonal
50440762.833411
Perimeter
87365964
Area
3.6723382248636E+14
Altitude
25220381.416706
Surface area
3.6723382248636E+14
Volume
2.9106957216024E+21
Height
13728236.797622