29121979 is an odd 8-digits composite number following 29121978
and preceding 29121980 . In scientific notation, it is written as 2.9121979 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 6 positive divisors.
There are 27855300 positive integers (up to 29121979) that are relatively prime to 29121979.
29121979 has 6 divisors, whose sum is 30443756
The reverse of 29121979 is 97912192
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-nine million one hundred twenty-one thousand nine hundred seventy-nine
Scientific notation
2.9121979 × 10^7
Engineering notation
2.9121979 × 10^6
Prime Factorization
23 × 23 × 55051
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1266173
Product of the distinct prime numbers
The prime factorization of 29121979 is 23 × 23 × 55051.
Since it has a total of 3 prime factors.
9 , 1 , 37 , 34 , 620 , 852 , 6532 , 8439 , 91237 , 61436 , 340809 , 939949 , 7778119 , 3191766 , 84746780 , 7223850 , 588434612 , 328113061 , 8348787593 , 9821407925
n×2
58243958
n×3
87365937
n×4
116487916
n×5
145609895
n÷2
14560989.5
n÷3
9707326.3333333
n÷3
7280494.75
n÷5
5824395.8
n2
848089660876441
n3
2.4698049294161E+22
n4
7.1925607288552E+29
n5
2.0946160250194E+37
2 √n
5396.4783887272
3 √n
307.66183650654
4 √n
73.460726845895
5 √n
31.106000659675
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-29121978
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 29121979 can be divided by 6 positive divisors.
The sum of these divisors (counting 29121979) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1101111000101110110111011
3
Ternary
2000210112211211
4
Quaternary
1233011312323
5
Quinary
24423400404
6
Senary
2520103551
8
Octal
157056673
10
Decimal
29121979
12
Duodecimal
9904bb7
16
Hexadecimal
1bc5dbb
20
Vigesimal
9204ij
36
Base36
hc6nv
md5
57a4f188dbe8b0eb561b9ffd2553b583
sha1
d522688f6cb81d887b97ff07fefa8a028708dcb9
sha256
a215f853aad0bdfffbe7e0b350513843543756ca37a7fe6195c24127da53806c
sha512
efe46d1b5e0cd08ffa31fcfe1a9c1290bbd98180898925f68adf3c6181682d6ea69cd78d00f33605ed17eacec6b5f47bc3279802d8741cc98e4460f68275f562
ripemd-160
c924b5a2fc5c7354ef4c9bb37bd14f948f9fae8b
Diameter
58243958
Circumference
182978790.56879
Area
2.6643522481949E+15
Volume
1.0345494696071E+23
Surface area
1.065740899278E+16
Circumference
182978790.56879
Perimeter
116487916
Area
848089660876441
Diagonal
41184697.664944
Surface area
5088537965258646
Volume
2.4698049294161E+22
Space diagonal
50440747.244954
Perimeter
87365937
Area
3.6723359550296E+14
Altitude
25220373.622477
Surface area
3.6723359550296E+14
Volume
2.9106930229968E+21
Height
13728232.554981