129972012 is an even 9-digits composite number following 129972011
and preceding 129972013 . In scientific notation, it is written as 1.29972012 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors.
There are 43324000 positive integers (up to 129972012) that are relatively prime to 129972012.
129972012 has 12 divisors, whose sum is 303268056
The reverse of 129972012 is 210279921
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred twenty-nine million nine hundred seventy-two thousand twelve
Scientific notation
1.29972012 × 10^8
Engineering notation
1.29972012 × 10^6
Prime Factorization
2 × 2 × 3 × 10831001
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64986006
Product of the distinct prime numbers
The prime factorization of 129972012 is 2 × 2 × 3 × 10831001.
Since it has a total of 4 prime factors.
10 , 1 , 71 , 12 , 925 , 437 , 1630 , 8546 , 48847 , 28125 , 128073 , 460280 , 300530 , 7228097 , 89108215 , 28833290 , 196357043 , 332683058 , 2776369009 , 9883135022
n×2
259944024
n×3
389916036
n×4
519888048
n×5
649860060
n÷2
64986006
n÷3
43324004
n÷3
32493003
n÷5
25994402.4
n2
16892723903328144
n3
2.1955813138761E+24
n4
2.8536412087407E+32
n5
3.7089348942615E+40
2 √n
11400.526829932
3 √n
506.54334506316
4 √n
106.77324959901
5 √n
41.953671023618
1 , 2 , 3 , 4 , 6 , 12 , 10831001 , 21662002 , 32493003 , 43324004 , 64986006 , 129972012
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129972011
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129972012 can be divided by 12 positive divisors.
The sum of these divisors (counting 129972012) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101111110011011100101100
3
Ternary
100001120021002020
4
Quaternary
13233303130230
5
Quinary
231233101022
6
Senary
20521430140
8
Octal
757633454
10
Decimal
129972012
12
Duodecimal
3763b350
16
Hexadecimal
7bf372c
20
Vigesimal
20c6a0c
36
Base36
25dr1o
md5
406ae072a6e0912b4465521cc1a4dbdd
sha1
389ed1454cc588a24500ed7bd0102705ebd7d274
sha256
e9166e7b3864dbd492d4a3783b953fbf7311df71763a773124b8f524addac6ca
sha512
e596e4b6183d739af201fa2f9f7a21403590373906ded12b61f860bf766059e3162948296d82ba019eb6aab23ab9f8b53fe6d2e2d741355601d98f07329ddda8
ripemd-160
51286945a400f4e53575fb7a7d6113d519d190f1
Diameter
259944024
Circumference
816638236.14297
Area
5.3070057313816E+16
Volume
9.196829501376E+24
Surface area
2.1228022925527E+17
Circumference
816638236.14297
Perimeter
519888048
Area
16892723903328144
Diagonal
183808182.09932
Surface area
101356343419968864
Volume
2.1955813138761E+24
Space diagonal
225118128.34595
Perimeter
389916036
Area
7.3147640196994E+15
Altitude
112559064.17298
Surface area
7.3147640196994E+15
Volume
2.5875173928137E+23
Height
61269394.033106