129356821 is an odd 9-digits composite number following 129356820
and preceding 129356822 . In scientific notation, it is written as 1.29356821 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 117597100 positive integers (up to 129356821) that are relatively prime to 129356821.
129356821 has 4 divisors, whose sum is 141116544
The reverse of 129356821 is 128653921
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-nine million three hundred fifty-six thousand eight hundred twenty-one
Scientific notation
1.29356821 × 10^8
Engineering notation
1.29356821 × 10^6
Prime Factorization
11 × 11759711
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129356821
Product of the distinct prime numbers
The prime factorization of 129356821 is 11 × 11759711.
Since it has a total of 2 prime factors.
3 , 10 , 24 , 71 , 120 , 491 , 3152 , 7095 , 69164 , 47838 , 651988 , 684574 , 1584111 , 7093166 , 8537386 , 98600937 , 584422378 , 57010056 , 5720526512 , 7766374860
n×2
258713642
n×3
388070463
n×4
517427284
n×5
646784105
n÷2
64678410.5
n÷3
43118940.333333
n÷3
32339205.25
n÷5
25871364.2
n2
16733187139226041
n3
2.1645518935284E+24
n4
2.7999955183636E+32
n5
3.6219851906976E+40
2 √n
11373.514012828
3 √n
505.7428807688
4 √n
106.64667839566
5 √n
41.913880110309
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129356820
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129356821 can be divided by 4 positive divisors.
The sum of these divisors (counting 129356821) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101101011101010000010101
3
Ternary
100000102000012101
4
Quaternary
13231131100111
5
Quinary
231103404241
6
Senary
20500322101
8
Octal
755352025
10
Decimal
129356821
12
Duodecimal
373a3331
16
Hexadecimal
7b5d415
20
Vigesimal
2089c11
36
Base36
250kd1
md5
83592761991e1cf280eda428c86f4e18
sha1
6e2024658c4c26104dba4244a8be78baaaf0ee39
sha256
443f0ce2d947ddcf0a24eafb7616d4a8b57b8433efd5f9eb1606ffdc44738601
sha512
49a5098e7f34c7401254419fc2b3376edd7a19e210b2f9563f3e554f26c2382bcdf84b72165fc0e855d0e1aec1d6fac35182daefbcc018cc8bfb0162f378c823
ripemd-160
b39f0c52b8d235a4153a6beb6d47eefed39079a3
Diameter
258713642
Circumference
812772877.09066
Area
5.2568857787736E+16
Volume
9.0668537693634E+24
Surface area
2.1027543115094E+17
Circumference
812772877.09066
Perimeter
517427284
Area
16733187139226041
Diagonal
182938170.64367
Surface area
100399122835356246
Volume
2.1645518935284E+24
Space diagonal
224052586.27759
Perimeter
388070463
Area
7.2456825744244E+15
Altitude
112026293.1388
Surface area
7.2456825744244E+15
Volume
2.5509488702401E+23
Height
60979390.214556