129207879 is an odd 9-digits composite number following 129207878
and preceding 129207880 . In scientific notation, it is written as 1.29207879 × 10^8.
The sum of its digits is 45. It has a total of 5 prime factors and 20 positive divisors.
There are 85871664 positive integers (up to 129207879) that are relatively prime to 129207879.
129207879 has 20 divisors, whose sum is 193612584
The reverse of 129207879 is 978702921
Previous prime number is 347
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred twenty-nine million two hundred seven thousand eight hundred seventy-nine
Scientific notation
1.29207879 × 10^8
Engineering notation
1.29207879 × 10^6
Prime Factorization
9 × 3 × 3 × 347 × 4597
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
43069293
Product of the distinct prime numbers
The prime factorization of 129207879 is 9 × 3 × 3 × 347 × 4597.
Since it has a total of 5 prime factors.
2 , 10 , 39 , 88 , 163 , 210 , 4382 , 5992 , 69081 , 24365 , 351014 , 570202 , 8216341 , 1876516 , 12583672 , 52728665 , 124162417 , 706174471 , 6398623018 , 4013720269
n×2
258415758
n×3
387623637
n×4
516831516
n×5
646039395
n÷2
64603939.5
n÷3
43069293
n÷3
32301969.75
n÷5
25841575.8
n2
16694675995678641
n3
2.1570836759939E+24
n4
2.7871220660069E+32
n5
3.6011813066285E+40
2 √n
11366.96437049
3 √n
505.54870138077
4 √n
106.61596677089
5 √n
41.904223697548
1 , 3 , 9 , 27 , 81 , 347 , 1041 , 3123 , 4597 , 9369 , 13791 , 28107 , 41373 , 124119 , 372357 , 1595159 , 4785477 , 14356431 , 43069293 , 129207879
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129207878
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129207879 can be divided by 20 positive divisors.
The sum of these divisors (counting 129207879) is 1, the average is 0.05.
Base
System
Value
2
Binary
111101100111000111001000111
3
Ternary
100000010102220000
4
Quaternary
13230320321013
5
Quinary
231034123004
6
Senary
20453212343
8
Octal
754707107
10
Decimal
129207879
12
Duodecimal
373310b3
16
Hexadecimal
7b38e47
20
Vigesimal
207ajdj
36
Base36
24xdfr
md5
4a7351a23d61c724639d32804f625110
sha1
4714a9a2b67377615673973044b61995470e1c8d
sha256
5233c1468596bf90b140dc352ed19b6bb831569e1f444b7506360d0b970978e6
sha512
59c2e8b458c9f2f7982c8cdb11b3074a8d76eb23116fbc03ce65dcde950c0c06e7b5978680e82d3a80d00fe74245055f94d0e5536f5055670d39c91faa788a00
ripemd-160
89440f39015263e56f4d59c43a906f4fa9348e54
Diameter
258415758
Circumference
811837046.90464
Area
5.2447871462086E+16
Volume
9.0355709729077E+24
Surface area
2.0979148584834E+17
Circumference
811837046.90464
Perimeter
516831516
Area
16694675995678641
Diagonal
182727534.84726
Surface area
100168055974071846
Volume
2.1570836759939E+24
Space diagonal
223794611.16621
Perimeter
387623637
Area
7.229006760104E+15
Altitude
111897305.58311
Surface area
7.229006760104E+15
Volume
2.5421474914701E+23
Height
60909178.282421