129207842 is an even 9-digits composite number following 129207841
and preceding 129207843 . In scientific notation, it is written as 1.29207842 × 10^8.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 64603920 positive integers (up to 129207842) that are relatively prime to 129207842.
129207842 has 4 divisors, whose sum is 193811766
The reverse of 129207842 is 248702921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred twenty-nine million two hundred seven thousand eight hundred forty-two
Scientific notation
1.29207842 × 10^8
Engineering notation
1.29207842 × 10^6
Prime Factorization
2 × 64603921
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129207842
Product of the distinct prime numbers
The prime factorization of 129207842 is 2 × 64603921.
Since it has a total of 2 prime factors.
1 , 7 , 78 , 92 , 793 , 685 , 5196 , 1625 , 99906 , 39967 , 400689 , 189573 , 9203248 , 9752734 , 25847513 , 74838373 , 66070452 , 563811273 , 5230805661 , 4663639719
n×2
258415684
n×3
387623526
n×4
516831368
n×5
646039210
n÷2
64603921
n÷3
43069280.666667
n÷3
32301960.5
n÷5
25841568.4
n2
16694666434296964
n3
2.1570818228853E+24
n4
2.7871188735244E+32
n5
3.6011761504556E+40
2 √n
11366.962742967
3 √n
505.54865312442
4 √n
106.61595913824
5 √n
41.904221297607
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129207841
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129207842 can be divided by 4 positive divisors.
The sum of these divisors (counting 129207842) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101100111000111000100010
3
Ternary
100000010102211122
4
Quaternary
13230320320202
5
Quinary
231034122332
6
Senary
20453212242
8
Octal
754707042
10
Decimal
129207842
12
Duodecimal
37331082
16
Hexadecimal
7b38e22
20
Vigesimal
207ajc2
36
Base36
24xdeq
md5
9263b028b0cf28dbc4177fc67cd7d766
sha1
67f999b77a66bbb33d51b3529cdd79da37640971
sha256
253d1329d4a08c69af6342c36e92e1e50f5f55c4af45d49367ba1cfd8a2684ec
sha512
71372ed10457b63d00a1df8d3ea3d089d97c71bf532b0fc7c85f3eba8a64125e000e85a14ca57b43bb85a646166eda6aa550ac8a27cfeb553e7c73afa8d5343e
ripemd-160
3c89867c37bb92cd188436f7ccaf11139f4eecdb
Diameter
258415684
Circumference
811836814.42678
Area
5.2447841424119E+16
Volume
9.0355632106249E+24
Surface area
2.0979136569648E+17
Circumference
811836814.42678
Perimeter
516831368
Area
16694666434296964
Diagonal
182727482.52136
Surface area
100167998605781784
Volume
2.1570818228853E+24
Space diagonal
223794547.08033
Perimeter
387623526
Area
7.2290026199043E+15
Altitude
111897273.54017
Surface area
7.2290026199043E+15
Volume
2.5421453075608E+23
Height
60909160.840453