129276721 is an odd 9-digits composite number following 129276720
and preceding 129276722 . In scientific notation, it is written as 1.29276721 × 10^8.
The sum of its digits is 37. It has a total of 5 prime factors and 32 positive divisors.
There are 98774016 positive integers (up to 129276721) that are relatively prime to 129276721.
129276721 has 32 divisors, whose sum is 164851200
The reverse of 129276721 is 127672921
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-nine million two hundred seventy-six thousand seven hundred twenty-one
Scientific notation
1.29276721 × 10^8
Engineering notation
1.29276721 × 10^6
Prime Factorization
23 × 7 × 17 × 149 × 317
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
129276721
Product of the distinct prime numbers
The prime factorization of 129276721 is 23 × 7 × 17 × 149 × 317.
Since it has a total of 5 prime factors.
3 , 4 , 10 , 99 , 47 , 699 , 3974 , 8228 , 55754 , 1134 , 379212 , 412806 , 8900465 , 5706423 , 16607701 , 91144137 , 821287471 , 266185555 , 5390138762 , 4688426602
n×2
258553442
n×3
387830163
n×4
517106884
n×5
646383605
n÷2
64638360.5
n÷3
43092240.333333
n÷3
32319180.25
n÷5
25855344.2
n2
16712470592511841
n3
2.1605333980089E+24
n4
2.7930667330557E+32
n5
3.6107850878363E+40
2 √n
11369.992128405
3 √n
505.63847094381
4 √n
106.63016518981
5 √n
41.908688063009
1 , 7 , 17 , 23 , 119 , 149 , 161 , 317 , 391 , 1043 , 2219 , 2533 , 2737 , 3427 , 5389 , 7291 , 17731 , 23989 , 37723 , 47233 , 51037 , 58259 , 123947 , 330631 , 407813 , 802961 , 867629 , 1086359 , 5620727 , 7604513 , 18468103 , 129276721
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129276720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129276721 can be divided by 32 positive divisors.
The sum of these divisors (counting 129276721) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101101001001101100110001
3
Ternary
100000020221022201
4
Quaternary
13231021230301
5
Quinary
231043323341
6
Senary
20454503201
8
Octal
755115461
10
Decimal
129276721
12
Duodecimal
37364b01
16
Hexadecimal
7b49b31
20
Vigesimal
207jbg1
36
Base36
24yuk1
md5
b983463c69dba7bf3c61bdd696e1f846
sha1
d21d3e65072bf040cba9f31b451994c73bd5c175
sha256
22a210f01683d6d00860b9ff096a9eefd55de8bbe7059302307c7f2ce267b6a7
sha512
a4e38e8e29aa7d7dbc074cbe0fb4b5cfbf0c41198845a4f8d55558814343915d03022ad1d0698cfac9e3ca29b66967200111ff0371c7e6903ef5c32cf7c9face
ripemd-160
b5b026030fa95aab0f89e7938a6e98ce7337b503
Diameter
258553442
Circumference
812269593.94755
Area
5.2503774836771E+16
Volume
9.0500211346934E+24
Surface area
2.1001509934708E+17
Circumference
812269593.94755
Perimeter
517106884
Area
16712470592511841
Diagonal
182824892.13732
Surface area
100274823555071046
Volume
2.1605333980089E+24
Space diagonal
223913849.00791
Perimeter
387830163
Area
7.2367120465578E+15
Altitude
111956924.50395
Surface area
7.2367120465578E+15
Volume
2.5462130278535E+23
Height
60941630.712441