129642756 is an even 9-digits composite number following 129642755
and preceding 129642757 . In scientific notation, it is written as 1.29642756 × 10^8.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 43177440 positive integers (up to 129642756) that are relatively prime to 129642756.
129642756 has 24 divisors, whose sum is 302757504
The reverse of 129642756 is 657246921
Previous prime number is 1381
Is Prime? no Number parity even Number length 9 Sum of Digits 42 Digital Root 6
Name
one hundred twenty-nine million six hundred forty-two thousand seven hundred fifty-six
Scientific notation
1.29642756 × 10^8
Engineering notation
1.29642756 × 10^6
Prime Factorization
2 × 2 × 3 × 1381 × 7823
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
64821378 Product of the distinct prime numbers
The prime factorization of 129642756 is 2 × 2 × 3 × 1381 × 7823.
Since it has a total of 5 prime factors.
7 , 3 , 96 , 1 , 170 , 211 , 2738 , 5931 , 97569 , 49335 , 699963 , 94580 , 8218024 , 3082612 , 45681707 , 2071710 , 54595967 , 814749682 , 2895222308 , 3911738531
n×2
259285512
n×3
388928268
n×4
518571024
n×5
648213780
n÷2
64821378
n÷3
43214252
n÷3
32410689
n÷5
25928551.2
n2
16807244183275536
n3
2.1789374566848E+24
n4
2.8248345703625E+32
n5
3.6621933894587E+40
2 √n11386.077287635
3 √n506.11524399907
4 √n106.7055635271
5 √n41.932393340197
1 , 2 , 3 , 4 , 6 , 12 , 1381 , 2762 , 4143 , 5524 , 7823 , 8286 , 15646 , 16572 , 23469 , 31292 , 46938 , 93876 , 10803563 , 21607126 , 32410689 , 43214252 , 64821378 , 129642756
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-129642755 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129642756 can be divided by 24 positive divisors.
The sum of these divisors (counting 129642756) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101110100011000100000100
3
Ternary
100000221112102120
4
Quaternary
13232203010010
5
Quinary
231142032011
6
Senary
20510405540
8
Octal
756430404
10
Decimal
129642756
12
Duodecimal
375008b0
16
Hexadecimal
7ba3104
20
Vigesimal
20a56hg
36
Base36
256ozo
md5
7adc9b1392dc77e37add2b939d1c0818
sha1
3bd25df95b5a43b22754b843cf6ca9d6fe81fc12
sha256
49122f9e89c4290944701fbe1feb29cc74eae8b9abf1dc8c8581526f3578a52d
sha512
8ab68a7df7fc91c7261050fde4bfd408f0ce4ca2ab6da9a4edafb4868436a55a33dcbf41aecc98d0c7119bbc5d858275975825e4c858a23468704ced1a95fa41
ripemd-160
5340093fc8a006b89bff0674ec791f6d1799de83
Diameter
259285512
Circumference
814569459.68147
Area
5.2801514853268E+16
Volume
9.1271118754035E+24
Surface area
2.1120605941307E+17
Circumference
814569459.68147
Perimeter
518571024
Area
16807244183275536
Diagonal
183342543.79863
Surface area
100843465099653216
Volume
2.1789374566848E+24
Space diagonal
224547840.22525
Perimeter
388928268
Area
7.2777502151624E+15
Altitude
112273920.11263
Surface area
7.2777502151624E+15
Volume
2.5679024190053E+23
Height
61114181.266209