29996981 is an odd 8-digits composite number following 29996980
and preceding 29996982 . In scientific notation, it is written as 2.9996981 × 10^7.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 25627680 positive integers (up to 29996981) that are relatively prime to 29996981.
29996981 has 8 divisors, whose sum is 34394304
The reverse of 29996981 is 18969992
Previous prime number is 313
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
twenty-nine million nine hundred ninety-six thousand nine hundred eighty-one
Scientific notation
2.9996981 × 10^7
Engineering notation
2.9996981 × 10^6
Prime Factorization
7 × 313 × 13691
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
29996981
Product of the distinct prime numbers
The prime factorization of 29996981 is 7 × 313 × 13691.
Since it has a total of 3 prime factors.
5 , 9 , 87 , 54 , 485 , 533 , 4399 , 3225 , 94639 , 75994 , 812488 , 46442 , 6948464 , 5297341 , 21067634 , 8379875 , 790129818 , 299766848 , 5059774937 , 6453883034
n×2
59993962
n×3
89990943
n×4
119987924
n×5
149984905
n÷2
14998490.5
n÷3
9998993.6666667
n÷3
7499245.25
n÷5
5999396.2
n2
899818869114361
n3
2.6991849520265E+22
n4
8.0967399721425E+29
n5
2.428777551063E+37
2 √n
5476.9499723843
3 √n
310.71282720691
4 √n
74.006418453971
5 √n
31.290716629467
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
-29996980
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 29996981 can be divided by 8 positive divisors.
The sum of these divisors (counting 29996981) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110010011011011110110101
3
Ternary
2002110000010022
4
Quaternary
1302123132311
5
Quinary
30134400411
6
Senary
2550534525
8
Octal
162333665
10
Decimal
29996981
12
Duodecimal
a067445
16
Hexadecimal
1c9b7b5
20
Vigesimal
979c91
36
Base36
huxth
md5
06de5e0a2d5269ea30bf72663a54379e
sha1
747ef04f9f679dfd779fff435f877d37d85f68eb
sha256
f337d7cfe240cdaac51285a90e6f1d764ef3bcb9386afc88483e12802b6ddb3e
sha512
b4e54b3bcc3c32f53c25fb221d71a537ad7ab81165dbadf87b17436ee46577f967be4c3fdda050ec4e7e6e3cb3db0f3b48bcc73463813be3eb0b8436b8e6c5ac
ripemd-160
f62f359fad6e8bc8c58b79bd3e1df8096c63a2f5
Diameter
59993962
Circumference
188476590.27895
Area
2.8268643487712E+15
Volume
1.1306319487955E+23
Surface area
1.1307457395085E+16
Circumference
188476590.27895
Perimeter
119987924
Area
899818869114361
Diagonal
42422137.360448
Surface area
5398913214686166
Volume
2.6991849520265E+22
Space diagonal
51956295.165678
Perimeter
89990943
Area
3.8963299972881E+14
Altitude
25978147.582839
Surface area
3.8963299972881E+14
Volume
3.181019972091E+21
Height
14140712.453483