129804721 is an odd 9-digits composite number following 129804720
and preceding 129804722 . In scientific notation, it is written as 1.29804721 × 10^8.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 127277568 positive integers (up to 129804721) that are relatively prime to 129804721.
129804721 has 8 divisors, whose sum is 132356840
The reverse of 129804721 is 127408921
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred twenty-nine million eight hundred four thousand seven hundred twenty-one
Scientific notation
1.29804721 × 10^8
Engineering notation
1.29804721 × 10^6
Prime Factorization
109 × 97 × 12277
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129804721
Product of the distinct prime numbers
The prime factorization of 129804721 is 109 × 97 × 12277.
Since it has a total of 3 prime factors.
1 , 7 , 1 , 33 , 145 , 801 , 4645 , 5983 , 49758 , 61120 , 510626 , 239309 , 8057461 , 7109292 , 69774023 , 61013720 , 809651947 , 192631410 , 8153421544 , 1132571432
n×2
259609442
n×3
389414163
n×4
519218884
n×5
649023605
n÷2
64902360.5
n÷3
43268240.333333
n÷3
32451180.25
n÷5
25960944.2
n2
16849265593887841
n3
2.1871142194695E+24
n4
2.8389775105337E+32
n5
3.685126836801E+40
2 √n
11393.187482
3 √n
506.32592254613
4 √n
106.73887521423
5 √n
41.942865485193
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
-129804720
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 129804721 can be divided by 8 positive divisors.
The sum of these divisors (counting 129804721) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101111001010100110110001
3
Ternary
100001020202121021
4
Quaternary
13233022212301
5
Quinary
231212222341
6
Senary
20514055441
8
Octal
757124661
10
Decimal
129804721
12
Duodecimal
3757a581
16
Hexadecimal
7bca9b1
20
Vigesimal
20b5bg1
36
Base36
25a5yp
md5
9ce8b2ed71019847400a55712489a9d8
sha1
61c82cc4413fd19bbdca9d7e9985a31f3b7f4c1d
sha256
c756d83cae62efc3dfcbddbd7c0b5367c70ec440aaa9955cc1b6a3c94c06cfff
sha512
3329f726885e2c8afd5d0f6287194518c6f2c33d6b5850ac0c2dac3a90d04043c888e38d49a937dc740167f9cd6b439ac5acf255614afaef25c056c5d17a953b
ripemd-160
afe7d7f4d962784fda6caef0949106901e485ea5
Diameter
259609442
Circumference
815587115.78975
Area
5.2933529008141E+16
Volume
9.1613626192629E+24
Surface area
2.1173411603257E+17
Circumference
815587115.78975
Perimeter
519218884
Area
16849265593887841
Diagonal
183571596.89826
Surface area
101095593563327046
Volume
2.1871142194695E+24
Space diagonal
224828371.8343
Perimeter
389414163
Area
7.295946019709E+15
Altitude
112414185.91715
Surface area
7.295946019709E+15
Volume
2.5775388263607E+23
Height
61190532.299419