129809740 is an even 9-digits composite number following 129809739
and preceding 129809741 . In scientific notation, it is written as 1.29809740 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 51923888 positive integers (up to 129809740) that are relatively prime to 129809740.
129809740 has 12 divisors, whose sum is 272600496
The reverse of 129809740 is 047908921
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-nine million eight hundred nine thousand seven hundred forty
Scientific notation
1.29809740 × 10^8
Engineering notation
1.29809740 × 10^6
Prime Factorization
2 × 2 × 5 × 6490487
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64904870
Product of the distinct prime numbers
The prime factorization of 129809740 is 2 × 2 × 5 × 6490487.
Since it has a total of 4 prime factors.
2 , 4 , 49 , 63 , 173 , 663 , 82 , 9346 , 4887 , 68005 , 281398 , 308637 , 1935959 , 5066589 , 58486429 , 75561288 , 905429304 , 277093118 , 8396382423 , 4431055496
n×2
259619480
n×3
389429220
n×4
519238960
n×5
649048700
n÷2
64904870
n÷3
43269913.333333
n÷3
32452435
n÷5
25961948
n2
16850568598867600
n3
2.1873679286712E+24
n4
2.8394166210514E+32
n5
3.6858393333036E+40
2 √n
11393.407743077
3 √n
506.33244828991
4 √n
106.73990698458
5 √n
41.943189830847
1 , 2 , 4 , 5 , 10 , 20 , 6490487 , 12980974 , 25961948 , 32452435 , 64904870 , 129809740
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
-129809739
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 129809740 can be divided by 12 positive divisors.
The sum of these divisors (counting 129809740) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101111001011110101001100
3
Ternary
100001021000111011
4
Quaternary
13233023311030
5
Quinary
231212402430
6
Senary
20514135004
8
Octal
757136514
10
Decimal
129809740
12
Duodecimal
37581464
16
Hexadecimal
7bcbd4c
20
Vigesimal
20b6470
36
Base36
25a9u4
md5
da6cdc39c7ebb484989e293d11bce827
sha1
92f6a4df74b547ed81b45c1f8623a53c2764ea9b
sha256
354f5cf5118da4b064b5e23139f65333b891471c975d79415ac944e0c3183f89
sha512
622693ed5f0dc8d6e0b3e1630c5720b21700bd7b48567776fd100276793ec79ead8a84193d29553d3d2828cc8709eecfde228b5de606d59480fcb72e3fda6437
ripemd-160
c980ba03e53157bd23ba6d4b3ef1b0f687374a18
Diameter
259619480
Circumference
815618651.0968
Area
5.2937622519013E+16
Volume
9.1624253538817E+24
Surface area
2.1175049007605E+17
Circumference
815618651.0968
Perimeter
519238960
Area
16850568598867600
Diagonal
183578694.83613
Surface area
101103411593205600
Volume
2.1873679286712E+24
Space diagonal
224837064.99731
Perimeter
389429220
Area
7.2965102374158E+15
Altitude
112418532.49865
Surface area
7.2965102374158E+15
Volume
2.5778378255223E+23
Height
61192898.278708