129121630 is an even 9-digits composite number following 129121629
and preceding 129121631 . In scientific notation, it is written as 1.29121630 × 10^8.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 42649600 positive integers (up to 129121630) that are relatively prime to 129121630.
129121630 has 16 divisors, whose sum is 196143408
The reverse of 129121630 is 036121921
Previous prime number is 145
Is Prime? no
Number parity even
Number length 9
Sum of Digits 25
Digital Root 7
Name
one hundred twenty-nine million one hundred twenty-one thousand six hundred thirty
Scientific notation
1.29121630 × 10^8
Engineering notation
1.29121630 × 10^6
Prime Factorization
2 × 187 × 145 × 2381
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129121630
Product of the distinct prime numbers
The prime factorization of 129121630 is 2 × 187 × 145 × 2381.
Since it has a total of 4 prime factors.
7 , 2 , 41 , 89 , 594 , 853 , 8306 , 2473 , 30252 , 18801 , 545119 , 326212 , 9578237 , 7173917 , 7392853 , 89764581 , 852031066 , 395685961 , 1767920401 , 6879841529
n×2
258243260
n×3
387364890
n×4
516486520
n×5
645608150
n÷2
64560815
n÷3
43040543.333333
n÷3
32280407.5
n÷5
25824326
n2
16672395333856900
n3
2.152766861512E+24
n4
2.7796876616841E+32
n5
3.5891780176754E+40
2 √n
11363.169892244
3 √n
505.43618818144
4 √n
106.59817021058
5 √n
41.898627811561
1 , 2 , 145 , 187 , 290 , 374 , 2381 , 4762 , 27115 , 54230 , 345245 , 445247 , 690490 , 890494 , 64560815 , 129121630
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
-129121629
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 129121630 can be divided by 16 positive divisors.
The sum of these divisors (counting 129121630) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101100100011110101011110
3
Ternary
22222222001120121
4
Quaternary
13230203311132
5
Quinary
231023343010
6
Senary
20451305154
8
Octal
754436536
10
Decimal
129121630
12
Duodecimal
372ab1ba
16
Hexadecimal
7b23d5e
20
Vigesimal
207041a
36
Base36
24vivy
md5
df26fbe841dfb4cdba58fca5fb825b21
sha1
182f212c500761241c5f7598577d7cfc2e45eb5c
sha256
113a3cef1a0dbb7c2c6151cbec5ce0e760bc71624c15df7fc1e2d9e9373888d0
sha512
03b15a9dc9f566a5e0110c0ca99a06c73594e7326bd30d1786c80f60d864cb0c4ef6aa6902f003e6d68f29ac961bc9a2c7e3af93bad40099b1394c75334c5515
ripemd-160
7e13a3dee3af242e950f18833b8a1d6ca43c6046
Diameter
258243260
Circumference
811295128.45508
Area
5.237787469859E+16
Volume
9.0174887426902E+24
Surface area
2.0951149879436E+17
Circumference
811295128.45508
Perimeter
516486520
Area
16672395333856900
Diagonal
182605560.34172
Surface area
100034372003141400
Volume
2.152766861512E+24
Space diagonal
223645223.51611
Perimeter
387364890
Area
7.2193589505286E+15
Altitude
111822611.75805
Surface area
7.2193589505286E+15
Volume
2.5370600768147E+23
Height
60868520.113907