129721835 is an odd 9-digits composite number following 129721834
and preceding 129721836 . In scientific notation, it is written as 1.29721835 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 97653600 positive integers (up to 129721835) that are relatively prime to 129721835.
129721835 has 16 divisors, whose sum is 164962560
The reverse of 129721835 is 538127921
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-nine million seven hundred twenty-one thousand eight hundred thirty-five
Scientific notation
1.29721835 × 10^8
Engineering notation
1.29721835 × 10^6
Prime Factorization
5 × 19 × 151 × 9043
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129721835
Product of the distinct prime numbers
The prime factorization of 129721835 is 5 × 19 × 151 × 9043.
Since it has a total of 4 prime factors.
4 , 10 , 70 , 81 , 112 , 333 , 7431 , 9520 , 32049 , 71651 , 618981 , 715905 , 9068334 , 9080625 , 61116905 , 30502023 , 582188729 , 301937829 , 4358905015 , 6421275665
n×2
259443670
n×3
389165505
n×4
518887340
n×5
648609175
n÷2
64860917.5
n÷3
43240611.666667
n÷3
32430458.75
n÷5
25944367
n2
16827754475767225
n3
2.182927189526E+24
n4
2.831733206967E+32
n5
3.673376278382E+40
2 √n
11389.549376512
3 √n
506.21812917281
4 √n
106.72183177079
5 √n
41.937507645177
1 , 5 , 19 , 95 , 151 , 755 , 2869 , 9043 , 14345 , 45215 , 171817 , 859085 , 1365493 , 6827465 , 25944367 , 129721835
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
-129721834
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 129721835 can be divided by 16 positive divisors.
The sum of these divisors (counting 129721835) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101110110110010111101011
3
Ternary
100001002112220102
4
Quaternary
13232312113223
5
Quinary
231202044320
6
Senary
20512220015
8
Octal
756662753
10
Decimal
129721835
12
Duodecimal
3753a60b
16
Hexadecimal
7bb65eb
20
Vigesimal
20af4bf
36
Base36
258e0b
md5
5e60ed7a8e6ca88a96aba46eddd2c1ed
sha1
5f2d840f37e310e46d3e41efabb037ee52b77801
sha256
f7103ddd5b81dc99995f19d5e1203a5bb5df0d80b341be3651bb2180314d5784
sha512
a831472fe5e007e9aa2f0f7c77d7c42339ba19b4f69aa2cd21419d75a59767ead4953b32039caec9f6594bebcfa9b1a6f19ecdb8d369550886a17c5897ac3826
ripemd-160
66786ec714aa6d0f51bfa0fe9626f7df2b7559d9
Diameter
259443670
Circumference
815066327.69237
Area
5.2865949837483E+16
Volume
9.1438240292483E+24
Surface area
2.1146379934993E+17
Circumference
815066327.69237
Perimeter
518887340
Area
16827754475767225
Diagonal
183454378.39292
Surface area
100966526854603350
Volume
2.182927189526E+24
Space diagonal
224684809.07107
Perimeter
389165505
Area
7.2866314323309E+15
Altitude
112342404.53553
Surface area
7.2866314323309E+15
Volume
2.5726043642505E+23
Height
61151459.464308