129387652 is an even 9-digits composite number following 129387651
and preceding 129387653 . In scientific notation, it is written as 1.29387652 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors.
There are 64199720 positive integers (up to 129387652) that are relatively prime to 129387652.
129387652 has 12 divisors, whose sum is 228157776
The reverse of 129387652 is 256783921
Previous prime number is 131
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-nine million three hundred eighty-seven thousand six hundred fifty-two
Scientific notation
1.29387652 × 10^8
Engineering notation
1.29387652 × 10^6
Prime Factorization
2 × 2 × 131 × 246923
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64693826
Product of the distinct prime numbers
The prime factorization of 129387652 is 2 × 2 × 131 × 246923.
Since it has a total of 4 prime factors.
4 , 1 , 27 , 54 , 274 , 233 , 6082 , 3094 , 45957 , 17328 , 679456 , 154280 , 3411086 , 7231747 , 12704556 , 24868572 , 495268906 , 978983965 , 6283132923 , 428510908
n×2
258775304
n×3
388162956
n×4
517550608
n×5
646938260
n÷2
64693826
n÷3
43129217.333333
n÷3
32346913
n÷5
25877530.4
n2
16741164490073104
n3
2.1660999651163E+24
n4
2.8026658848368E+32
n5
3.6263035817954E+40
2 √n
11374.869317931
3 √n
505.78305728731
4 √n
106.65303238976
5 √n
41.91587787687
1 , 2 , 4 , 131 , 262 , 524 , 246923 , 493846 , 987692 , 32346913 , 64693826 , 129387652
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
-129387651
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 129387652 can be divided by 12 positive divisors.
The sum of these divisors (counting 129387652) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101101100100110010000100
3
Ternary
100000110120111021
4
Quaternary
13231210302010
5
Quinary
231110401102
6
Senary
20501120524
8
Octal
755446204
10
Decimal
129387652
12
Duodecimal
373b9144
16
Hexadecimal
7b64c84
20
Vigesimal
208d92c
36
Base36
25185g
md5
27bba32ee170fae2108702801b9b04f9
sha1
3f48021e59a121034fecc6d595cbd7a74abd658a
sha256
bb07e666615d953816bb96d276f1e482ee6785ce59e33973cec24ef7bc8b6d0e
sha512
832b3a29eafba51d7768a7fe284c38a068c8240c8f77d3dcbb3a4385b0a97bb3dac98dc633ea2d2c2d271c9b4ffea792d663a73b5d31b8895e218ab4c3a0ec46
ripemd-160
a821c73e904001e156a0612dc2c7d39de6375673
Diameter
258775304
Circumference
812966593.97687
Area
5.2593919374552E+16
Volume
9.0733383164675E+24
Surface area
2.1037567749821E+17
Circumference
812966593.97687
Perimeter
517550608
Area
16741164490073104
Diagonal
182981772.26201
Surface area
100446986940438624
Volume
2.1660999651163E+24
Space diagonal
224105987.13604
Perimeter
388162956
Area
7.2491368686686E+15
Altitude
112052993.56802
Surface area
7.2491368686686E+15
Volume
2.5527732901028E+23
Height
60993924.087337