129721834 is an even 9-digits composite number following 129721833
and preceding 129721835 . In scientific notation, it is written as 1.29721834 × 10^8.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 58862160 positive integers (up to 129721834) that are relatively prime to 129721834.
129721834 has 16 divisors, whose sum is 212640480
The reverse of 129721834 is 438127921
Previous prime number is 613
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-nine million seven hundred twenty-one thousand eight hundred thirty-four
Scientific notation
1.29721834 × 10^8
Engineering notation
1.29721834 × 10^6
Prime Factorization
2 × 11 × 613 × 9619
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129721834
Product of the distinct prime numbers
The prime factorization of 129721834 is 2 × 11 × 613 × 9619.
Since it has a total of 4 prime factors.
5 , 4 , 40 , 25 , 112 , 690 , 7780 , 5535 , 71630 , 5115 , 921763 , 334936 , 5600175 , 9606868 , 32677232 , 51828268 , 188167141 , 70298604 , 5107091109 , 7999780351
n×2
259443668
n×3
389165502
n×4
518887336
n×5
648609170
n÷2
64860917
n÷3
43240611.333333
n÷3
32430458.5
n÷5
25944366.8
n2
16827754216323556
n3
2.1829271390427E+24
n4
2.83173311965E+32
n5
3.6733761367953E+40
2 √n
11389.549332612
3 √n
506.21812787203
4 √n
106.72183156511
5 √n
41.93750758052
1 , 2 , 11 , 22 , 613 , 1226 , 6743 , 9619 , 13486 , 19238 , 105809 , 211618 , 5896447 , 11792894 , 64860917 , 129721834
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
-129721833
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 129721834 can be divided by 16 positive divisors.
The sum of these divisors (counting 129721834) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101110110110010111101010
3
Ternary
100001002112220101
4
Quaternary
13232312113222
5
Quinary
231202044314
6
Senary
20512220014
8
Octal
756662752
10
Decimal
129721834
12
Duodecimal
3753a60a
16
Hexadecimal
7bb65ea
20
Vigesimal
20af4be
36
Base36
258e0a
md5
aef7072a523620b72c8d33f7df64f6ec
sha1
c591ee581fbc6667c992d5f1c0ef5a486abd343d
sha256
0ef82ecc8be9cc391e0e3e8a37ff942a32e44c34052e547f468fb7514acaf88b
sha512
0a6e7b8d7c03141514bebc9edd01dcee154c374ed83380c9ead94711fad0d022e814a735f51b66a40e66cd70804b89c2e79564ee0b05f6ad8a814e93ec6e53b0
ripemd-160
2f53d2afd0a7b10ff02f26194d5e2f28cd2d59bb
Diameter
259443668
Circumference
815066321.40919
Area
5.2865949022417E+16
Volume
9.1438238177845E+24
Surface area
2.1146379608967E+17
Circumference
815066321.40919
Perimeter
518887336
Area
16827754216323556
Diagonal
183454376.97871
Surface area
100966525297941336
Volume
2.1829271390427E+24
Space diagonal
224684807.33902
Perimeter
389165502
Area
7.2866313199884E+15
Altitude
112342403.66951
Surface area
7.2866313199884E+15
Volume
2.5726043047554E+23
Height
61151458.992904