129642761 is an odd 9-digits prime number following 129642760
and preceding 129642762 . In scientific notation, it is written as 1.29642761 × 10^8.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 129642760 positive integers (up to 129642761) that are relatively prime to 129642761.
129642761 has 2 divisors, whose sum is 129642762
The reverse of 129642761 is 167246921
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 38 Digital Root 2
Name
one hundred twenty-nine million six hundred forty-two thousand seven hundred sixty-one
Scientific notation
1.29642761 × 10^8
Engineering notation
1.29642761 × 10^6
Prime Factorization
129642761
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
129642761 Product of the distinct prime numbers
The prime factorization of 129642761 is 129642761.
Since it has a total of 1 prime factors.
2 , 5 , 27 , 57 , 525 , 120 , 190 , 8275 , 94385 , 51087 , 498018 , 901723 , 7335410 , 4860548 , 39130489 , 84050798 , 415095791 , 161085539 , 1706264698 , 1506253120
n×2
259285522
n×3
388928283
n×4
518571044
n×5
648213805
n÷2
64821380.5
n÷3
43214253.666667
n÷3
32410690.25
n÷5
25928552.2
n2
16807245479703121
n3
2.1789377087935E+24
n4
2.82483500615E+32
n5
3.6621940956674E+40
2 √n11386.077507202
3 √n506.11525050561
4 √n106.70556455594
5 √n41.932393663643
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
129642762 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
64821381 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
11386.077551115 Returns the nth root of the product of n divisors
H Harmonic Mean
1.999999984573 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129642761 can be divided by 2 positive divisors.
The sum of these divisors (counting 129642761) is 129642762, the average is 64821381.
Base
System
Value
2
Binary
111101110100011000100001001
3
Ternary
100000221112102202
4
Quaternary
13232203010021
5
Quinary
231142032021
6
Senary
20510405545
8
Octal
756430411
10
Decimal
129642761
12
Duodecimal
375008b5
16
Hexadecimal
7ba3109
20
Vigesimal
20a56i1
36
Base36
256ozt
md5
96454a34c8322a7d44601a537b15a19e
sha1
01108e3525d01a32fd35da90387423e5d47c28b9
sha256
5ce1aaa2e0e4cb228e8fb8ed4df3d427cb523c7da5db1810716ee23cbebfc4b1
sha512
235c92d417ee69b7c9919e75cbc74882320a26d227c32fe13a024e0af5f331d7dffc21cc11bd49ea15d5298ca24436e2ce1cc22bfb903aae6a349631dea01c61
ripemd-160
1323639cc9c6ce1d2c82b17b3f01126c1be3a645
Diameter
259285522
Circumference
814569491.09739
Area
5.2801518926116E+16
Volume
9.1271129314338E+24
Surface area
2.1120607570446E+17
Circumference
814569491.09739
Perimeter
518571044
Area
16807245479703121
Diagonal
183342550.86969
Surface area
100843472878218726
Volume
2.1789377087935E+24
Space diagonal
224547848.88551
Perimeter
388928283
Area
7.277750776532E+15
Altitude
112273924.44275
Surface area
7.277750776532E+15
Volume
2.5679027161183E+23
Height
61114183.623231