29121978 is an even 8-digits composite number following 29121977
and preceding 29121979 . In scientific notation, it is written as 2.9121978 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 9693936 positive integers (up to 29121978) that are relatively prime to 29121978.
29121978 has 16 divisors, whose sum is 58324320
The reverse of 29121978 is 87912192
Previous prime number is 827
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-nine million one hundred twenty-one thousand nine hundred seventy-eight
Scientific notation
2.9121978 × 10^7
Engineering notation
2.9121978 × 10^6
Prime Factorization
2 × 3 × 827 × 5869
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
29121978
Product of the distinct prime numbers
The prime factorization of 29121978 is 2 × 3 × 827 × 5869.
Since it has a total of 4 prime factors.
4 , 9 , 15 , 32 , 638 , 401 , 3396 , 773 , 11805 , 16489 , 37302 , 513167 , 5975325 , 7802220 , 87048446 , 10911784 , 849027544 , 231753381 , 5364270940 , 9733650536
n×2
58243956
n×3
87365934
n×4
116487912
n×5
145609890
n÷2
14560989
n÷3
9707326
n÷3
7280494.5
n÷5
5824395.6
n2
848089602632484
n3
2.4698046749892E+22
n4
7.1925597409332E+29
n5
2.0946156653914E+37
2 √n
5396.4782960742
3 √n
307.661832985
4 √n
73.460726215266
5 √n
31.106000446049
1 , 2 , 3 , 6 , 827 , 1654 , 2481 , 4962 , 5869 , 11738 , 17607 , 35214 , 4853663 , 9707326 , 14560989 , 29121978
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-29121977
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 29121978 can be divided by 16 positive divisors.
The sum of these divisors (counting 29121978) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101111000101110110111010
3
Ternary
2000210112211210
4
Quaternary
1233011312322
5
Quinary
24423400403
6
Senary
2520103550
8
Octal
157056672
10
Decimal
29121978
12
Duodecimal
9904bb6
16
Hexadecimal
1bc5dba
20
Vigesimal
9204ii
36
Base36
hc6nu
md5
178558f40e4da4e707d15fdfe94a632d
sha1
b79ae666a3da130c40542b3e1ed8dda1f575896d
sha256
0296d3ff5f1c479ac43e6520ce61bc9255ab7a2a0485368e0654cc4ad69441bc
sha512
c9204a0d43a34fab77127bb98401a85e41739ac03e2deb873b25503c4dbf3157f881dbaa8d6ef4861a9242ecdee364e9e5045fe5d2b570740b9cabde06a3f5e3
ripemd-160
56edde2d5821384323670914e733bcad41a15f52
Diameter
58243956
Circumference
182978784.28561
Area
2.6643520652161E+15
Volume
1.034549363033E+23
Surface area
1.0657408260864E+16
Circumference
182978784.28561
Perimeter
116487912
Area
848089602632484
Diagonal
41184696.250731
Surface area
5088537615794904
Volume
2.4698046749892E+22
Space diagonal
50440745.512903
Perimeter
87365934
Area
3.6723357028259E+14
Altitude
25220372.756452
Surface area
3.6723357028259E+14
Volume
2.9106927231518E+21
Height
13728232.083577