129817961 is an odd 9-digits composite number following 129817960
and preceding 129817962 . In scientific notation, it is written as 1.29817961 × 10^8.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 102211200 positive integers (up to 129817961) that are relatively prime to 129817961.
129817961 has 16 divisors, whose sum is 160556928
The reverse of 129817961 is 169718921
Previous prime number is 211
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred twenty-nine million eight hundred seventeen thousand nine hundred sixty-one
Scientific notation
1.29817961 × 10^8
Engineering notation
1.29817961 × 10^6
Prime Factorization
7 × 13 × 211 × 6761
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129817961
Product of the distinct prime numbers
The prime factorization of 129817961 is 7 × 13 × 211 × 6761.
Since it has a total of 4 prime factors.
10 , 4 , 2 , 82 , 721 , 395 , 3855 , 5641 , 25421 , 85202 , 959340 , 703626 , 3289301 , 2165380 , 58753365 , 35299128 , 37004680 , 903119621 , 1362650184 , 5612645926
n×2
259635922
n×3
389453883
n×4
519271844
n×5
649089805
n÷2
64908980.5
n÷3
43272653.666667
n÷3
32454490.25
n÷5
25963592.2
n2
16852702998197521
n3
2.1877835405646E+24
n4
2.8401359834546E+32
n5
3.687006623348E+40
2 √n
11393.768516167
3 √n
506.3431369362
4 √n
106.74159693469
5 √n
41.943721079472
1 , 7 , 13 , 91 , 211 , 1477 , 2743 , 6761 , 19201 , 47327 , 87893 , 615251 , 1426571 , 9985997 , 18545423 , 129817961
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129817960
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129817961 can be divided by 16 positive divisors.
The sum of these divisors (counting 129817961) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101111001101110101101001
3
Ternary
100001021102202122
4
Quaternary
13233031311221
5
Quinary
231213133321
6
Senary
20514241025
8
Octal
757156551
10
Decimal
129817961
12
Duodecimal
37586175
16
Hexadecimal
7bcdd69
20
Vigesimal
20b74i1
36
Base36
25ag6h
md5
849d9ec2891f794cda6b2c755204ac85
sha1
b5308fc2f2718096e51d639cde9b1a522bec974d
sha256
eb2efe9977bf0be5783257a19e631d592204bc939359970536250a56caddf114
sha512
ffe12a8d59d8e3c5e68d9c0ccd66b28682f2ccc02415f8b79cf8e8144e9c365f5a58affb1606915f5e40f1acbb4aa574f0c5ff0b64e55578feb51794910107c2
ripemd-160
467486b0a58e9ce9bc74f36c1835e28b9d408a6a
Diameter
259635922
Circumference
815670305.16321
Area
5.2944327932268E+16
Volume
9.1641662649098E+24
Surface area
2.1177731172907E+17
Circumference
815670305.16321
Perimeter
519271844
Area
16852702998197521
Diagonal
183590321.08582
Surface area
101116217989185126
Volume
2.1877835405646E+24
Space diagonal
224851304.18699
Perimeter
389453883
Area
7.2974344594366E+15
Altitude
112425652.0935
Surface area
7.2974344594366E+15
Volume
2.5783276288359E+23
Height
61196773.695274