129642689 is an odd 9-digits composite number following 129642688
and preceding 129642690 . In scientific notation, it is written as 1.29642689 × 10^8.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 116995360 positive integers (up to 129642689) that are relatively prime to 129642689.
129642689 has 8 divisors, whose sum is 142462368
The reverse of 129642689 is 986246921
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred twenty-nine million six hundred forty-two thousand six hundred eighty-nine
Scientific notation
1.29642689 × 10^8
Engineering notation
1.29642689 × 10^6
Prime Factorization
11 × 137 × 86027
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129642689
Product of the distinct prime numbers
The prime factorization of 129642689 is 11 × 137 × 86027.
Since it has a total of 3 prime factors.
8 , 4 , 92 , 53 , 117 , 47 , 5922 , 9304 , 67656 , 46390 , 875920 , 538782 , 1270715 , 1535584 , 8313453 , 75354606 , 330065628 , 347149371 , 8432424525 , 8015035095
n×2
259285378
n×3
388928067
n×4
518570756
n×5
648213445
n÷2
64821344.5
n÷3
43214229.666667
n÷3
32410672.25
n÷5
25928537.8
n2
16807226811150721
n3
2.1789340784305E+24
n4
2.8248287308146E+32
n5
3.6621839262727E+40
2 √n
11386.074345445
3 √n
506.11515681146
4 √n
106.70554974061
5 √n
41.932389006023
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129642688
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129642689 can be divided by 8 positive divisors.
The sum of these divisors (counting 129642689) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101110100011000011000001
3
Ternary
100000221112100002
4
Quaternary
13232203003001
5
Quinary
231142031224
6
Senary
20510405345
8
Octal
756430301
10
Decimal
129642689
12
Duodecimal
37500855
16
Hexadecimal
7ba30c1
20
Vigesimal
20a56e9
36
Base36
256oxt
md5
f709b5a1799d05a93a4f60e24da7f7f7
sha1
cfcd5f940c11b8f755a2b2ed88d89eeaf007c99f
sha256
b3a05b20e67c8a76fafec75005908d9435dbe71451e1d13955fe17095a06bb58
sha512
5372e97ebd716e4c40136c425860c977b925a0ee4dbfb4f53da1c65e9c165e404301604802641fe4bb0625dbc1d15e696592d5a2ca74d867a139e3b412a0e20d
ripemd-160
c86ea40c6a3d67317805a4fa6aa5a29c07e4efcd
Diameter
259285378
Circumference
814569038.70805
Area
5.2801460277129E+16
Volume
9.1270977246048E+24
Surface area
2.1120584110851E+17
Circumference
814569038.70805
Perimeter
518570756
Area
16807226811150721
Diagonal
183342449.04632
Surface area
100843360866904326
Volume
2.1789340784305E+24
Space diagonal
224547724.17785
Perimeter
388928067
Area
7.2777426928117E+15
Altitude
112273862.08893
Surface area
7.2777426928117E+15
Volume
2.5678984376944E+23
Height
61114149.682106