129806971 is an odd 9-digits composite number following 129806970
and preceding 129806972 . In scientific notation, it is written as 1.29806971 × 10^8.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 111263112 positive integers (up to 129806971) that are relatively prime to 129806971.
129806971 has 4 divisors, whose sum is 148350832
The reverse of 129806971 is 179608921
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-nine million eight hundred six thousand nine hundred seventy-one
Scientific notation
1.29806971 × 10^8
Engineering notation
1.29806971 × 10^6
Prime Factorization
7 × 18543853
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129806971
Product of the distinct prime numbers
The prime factorization of 129806971 is 7 × 18543853.
Since it has a total of 2 prime factors.
1 , 6 , 2 , 4 , 292 , 227 , 9781 , 6711 , 6630 , 17108 , 47597 , 893432 , 8514690 , 993395 , 89290285 , 32589975 , 477462887 , 552522552 , 7412788872 , 1004434687
n×2
259613942
n×3
389420913
n×4
519227884
n×5
649034855
n÷2
64903485.5
n÷3
43268990.333333
n÷3
32451742.75
n÷5
25961394.2
n2
16849849720194841
n3
2.1872279539837E+24
n4
2.8391743559315E+32
n5
3.6854462328434E+40
2 √n
11393.28622479
3 √n
506.32884803485
4 √n
106.73933775694
5 √n
41.943010889447
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
-129806970
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 129806971 can be divided by 4 positive divisors.
The sum of these divisors (counting 129806971) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101111001011001001111011
3
Ternary
100001020212200121
4
Quaternary
13233023021323
5
Quinary
231212310341
6
Senary
20514114111
8
Octal
757131173
10
Decimal
129806971
12
Duodecimal
3757b937
16
Hexadecimal
7bcb27b
20
Vigesimal
20b5h8b
36
Base36
25a7p7
md5
1a573790ed6b6dfda04d1e7885436acd
sha1
d2579ba0d3f46d42dfa7a4bc055d2fce65f436b8
sha256
f9597bcaeae9f04882043ed9cd23683e8316689cca25a20ad6d6f9b6a7fd4fa3
sha512
30e48f1761d25166a6911dba87c7e6f66498b01694bb05223545971ba5c19a35e13379eb8944206bf200463e40efe72a834782759e99d0883d0d374ca1a42411
ripemd-160
26b76b52754b425a2cef9e0e6ca17b9887de8545
Diameter
259613942
Circumference
815601252.95669
Area
5.2935364095056E+16
Volume
9.1618390292819E+24
Surface area
2.1174145638022E+17
Circumference
815601252.95669
Perimeter
519227884
Area
16849849720194841
Diagonal
183574778.87877
Surface area
101099098321169046
Volume
2.1872279539837E+24
Space diagonal
224832268.94862
Perimeter
389420913
Area
7.2961989538194E+15
Altitude
112416134.47431
Surface area
7.2961989538194E+15
Volume
2.5776728637711E+23
Height
61191592.95959