129021172 is an even 9-digits composite number following 129021171
and preceding 129021173 . In scientific notation, it is written as 1.29021172 × 10^8.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 52384320 positive integers (up to 129021172) that are relatively prime to 129021172.
129021172 has 12 divisors, whose sum is 227485636
The reverse of 129021172 is 271120921
Previous prime number is 133
Is Prime? no
Number parity even
Number length 9
Sum of Digits 25
Digital Root 7
Name
one hundred twenty-nine million twenty-one thousand one hundred seventy-two
Scientific notation
1.29021172 × 10^8
Engineering notation
1.29021172 × 10^6
Prime Factorization
2 × 2 × 133 × 242521
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64510586
Product of the distinct prime numbers
The prime factorization of 129021172 is 2 × 2 × 133 × 242521.
Since it has a total of 4 prime factors.
2 , 2 , 7 , 95 , 641 , 794 , 1983 , 2364 , 32558 , 96681 , 611802 , 706427 , 7685234 , 6241774 , 44379476 , 75336027 , 369057779 , 976260430 , 2756960102 , 7182639584
n×2
258042344
n×3
387063516
n×4
516084688
n×5
645105860
n÷2
64510586
n÷3
43007057.333333
n÷3
32255293
n÷5
25804234.4
n2
16646462824253584
n3
2.1477461432396E+24
n4
2.7710472455926E+32
n5
3.5752376329372E+40
2 √n
11358.74869869
3 √n
505.30507593184
4 √n
106.57743053147
5 √n
41.892106266194
1 , 2 , 4 , 133 , 266 , 532 , 242521 , 485042 , 970084 , 32255293 , 64510586 , 129021172
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129021171
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129021172 can be divided by 12 positive divisors.
The sum of these divisors (counting 129021172) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101100001011010011110100
3
Ternary
22222202221202221
4
Quaternary
13230023103310
5
Quinary
231012134142
6
Senary
20445212124
8
Octal
754132364
10
Decimal
129021172
12
Duodecimal
37261044
16
Hexadecimal
7b0b4f4
20
Vigesimal
2067cic
36
Base36
24tddg
md5
ef53fbf19a03bb79ba56a12851eac271
sha1
272124dfa29a8dfb9c4599619d4b7265cd21112b
sha256
4653f4f376f5b599b241b4547f65ecb018f6fc155eedc952883acf2b66d33627
sha512
6c24f171feed9266f0fbae1e46c4870cb76f63cfedc9bf1b236898aed9d4514e4a11a7a0a9abd4bbde81800885156642e11c2bdc8a42f519124539a9c9d4328e
ripemd-160
ad91e9b20f14dca2ed3a68df6b3bc46b1c520bf1
Diameter
258042344
Circumference
810663932.22549
Area
5.2296405316931E+16
Volume
8.9964580071699E+24
Surface area
2.0918562126772E+17
Circumference
810663932.22549
Perimeter
516084688
Area
16646462824253584
Diagonal
182463491.27567
Surface area
99878776945521504
Volume
2.1477461432396E+24
Space diagonal
223471225.15608
Perimeter
387063516
Area
7.2081298444784E+15
Altitude
111735612.57804
Surface area
7.2081298444784E+15
Volume
2.5311431035867E+23
Height
60821163.758557