129621197 is an odd 9-digits composite number following 129621196
and preceding 129621198 . In scientific notation, it is written as 1.29621197 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 127785600 positive integers (up to 129621197) that are relatively prime to 129621197.
129621197 has 8 divisors, whose sum is 131467392
The reverse of 129621197 is 791126921
Previous prime number is 271
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-nine million six hundred twenty-one thousand one hundred ninety-seven
Scientific notation
1.29621197 × 10^8
Engineering notation
1.29621197 × 10^6
Prime Factorization
97 × 271 × 4931
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129621197
Product of the distinct prime numbers
The prime factorization of 129621197 is 97 × 271 × 4931.
Since it has a total of 3 prime factors.
10 , 1 , 22 , 99 , 329 , 296 , 7497 , 283 , 23089 , 16221 , 323028 , 709446 , 8133886 , 4470825 , 13950924 , 94089806 , 46010931 , 279218101 , 6738352314 , 7395830042
n×2
259242394
n×3
388863591
n×4
518484788
n×5
648105985
n÷2
64810598.5
n÷3
43207065.666667
n÷3
32405299.25
n÷5
25924239.4
n2
16801654711712809
n3
2.1778505953129E+24
n4
2.8229560105162E+32
n5
3.6591493716146E+40
2 √n
11385.130521869
3 √n
506.08718755696
4 √n
106.70112708809
5 √n
41.930998614204
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129621196
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129621197 can be divided by 8 positive divisors.
The sum of these divisors (counting 129621197) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101110011101110011001101
3
Ternary
100000220102212002
4
Quaternary
13232131303031
5
Quinary
231140334242
6
Senary
20510122045
8
Octal
756356315
10
Decimal
129621197
12
Duodecimal
374b0325
16
Hexadecimal
7b9dccd
20
Vigesimal
20a2cjh
36
Base36
2568ct
md5
66a296c2ddf15c07e77b3b462a1db8c3
sha1
5a6dc011e0ff7cb80d830039dfb66dcf1d5a11f0
sha256
41754bc59fc27dbc81e0b6b5897ae45482a072d19446a131be45ea17dbf9226b
sha512
0a5bcfeedc6531ab7c0aa1cf0ae2126fc5a2e7b4080df47546cc2d41482373c4f9d3808ca2d35d72fa6a756210487ffa56509265e044748e63be1882a9c9e7f0
ripemd-160
f4777c39f723558579f1f6125d51d3b35110de24
Diameter
259242394
Circumference
814434000.48943
Area
5.2783955010469E+16
Volume
9.1225592411349E+24
Surface area
2.1113582004188E+17
Circumference
814434000.48943
Perimeter
518484788
Area
16801654711712809
Diagonal
183312054.76843
Surface area
100809928270276854
Volume
2.1778505953129E+24
Space diagonal
224510498.94189
Perimeter
388863591
Area
7.2753299029789E+15
Altitude
112255249.47095
Surface area
7.2753299029789E+15
Volume
2.5666215405949E+23
Height
61104018.256145