129221284 is an even 9-digits composite number following 129221283
and preceding 129221285 . In scientific notation, it is written as 1.29221284 × 10^8.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 60809984 positive integers (up to 129221284) that are relatively prime to 129221284.
129221284 has 12 divisors, whose sum is 239439564
The reverse of 129221284 is 482122921
Previous prime number is 17
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-nine million two hundred twenty-one thousand two hundred eighty-four
Scientific notation
1.29221284 × 10^8
Engineering notation
1.29221284 × 10^6
Prime Factorization
2 × 2 × 17 × 1900313
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64610642
Product of the distinct prime numbers
The prime factorization of 129221284 is 2 × 2 × 17 × 1900313.
Since it has a total of 4 prime factors.
1 , 5 , 51 , 92 , 352 , 130 , 8981 , 5174 , 98834 , 98955 , 983451 , 829416 , 4037358 , 7122339 , 47199991 , 85362072 , 759424068 , 336025741 , 5154413675 , 2432432025
n×2
258442568
n×3
387663852
n×4
516885136
n×5
646106420
n÷2
64610642
n÷3
43073761.333333
n÷3
32305321
n÷5
25844256.8
n2
16698140238608656
n3
2.1577551220451E+24
n4
2.7882788742824E+32
n5
3.6030497628485E+40
2 √n
11367.554002511
3 √n
505.56618392143
4 √n
106.61873194946
5 √n
41.905093153518
1 , 2 , 4 , 17 , 34 , 68 , 1900313 , 3800626 , 7601252 , 32305321 , 64610642 , 129221284
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
-129221283
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 129221284 can be divided by 12 positive divisors.
The sum of these divisors (counting 129221284) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101100111100001010100100
3
Ternary
100000011010021111
4
Quaternary
13230330022210
5
Quinary
231040040114
6
Senary
20453354404
8
Octal
754741244
10
Decimal
129221284
12
Duodecimal
37338a04
16
Hexadecimal
7b3c2a4
20
Vigesimal
207cd44
36
Base36
24xns4
md5
27d09d6ca5232ce35f86d28d927c0ea9
sha1
e4418070b6237bfc3b0598f0bce8b8b241499fdc
sha256
56ab091173e4a495f887172bfca830d06e29fa420d4e546dec0c9ccf50d26389
sha512
4f5c71ea8efa97fc677a41161e1a28a7a625dd1bf06fd56878582b938e63e148cff28d51e96cdf8176bfaac4496d65cb7dcf38dcebe1ba27d1602bd6fe1d9ef7
ripemd-160
6e6f44cd8aa218ae7011a886ebc2fb7eaa659129
Diameter
258442568
Circumference
811921273.00368
Area
5.2458754702225E+16
Volume
9.0383835195501E+24
Surface area
2.098350188089E+17
Circumference
811921273.00368
Perimeter
516885136
Area
16698140238608656
Diagonal
182746492.38007
Surface area
100188841431651936
Volume
2.1577551220451E+24
Space diagonal
223817829.30729
Perimeter
387663852
Area
7.2305068212951E+15
Altitude
111908914.65364
Surface area
7.2305068212951E+15
Volume
2.5429387982301E+23
Height
60915497.460022