129621906 is an even 9-digits composite number following 129621905
and preceding 129621907 . In scientific notation, it is written as 1.29621906 × 10^8.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 40665600 positive integers (up to 129621906) that are relatively prime to 129621906.
129621906 has 8 divisors, whose sum is 195704124
The reverse of 129621906 is 609126921
Previous prime number is 153
Is Prime? no
Number parity even
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred twenty-nine million six hundred twenty-one thousand nine hundred six
Scientific notation
1.29621906 × 10^8
Engineering notation
1.29621906 × 10^6
Prime Factorization
2 × 153 × 423601
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129621906
Product of the distinct prime numbers
The prime factorization of 129621906 is 2 × 153 × 423601.
Since it has a total of 3 prime factors.
10 , 5 , 14 , 37 , 155 , 993 , 5199 , 1847 , 46816 , 44327 , 847754 , 166864 , 2325860 , 8148741 , 66604738 , 9362180 , 760149617 , 250351764 , 747433661 , 785427248
n×2
259243812
n×3
388865718
n×4
518487624
n×5
648109530
n÷2
64810953
n÷3
43207302
n÷3
32405476.5
n÷5
25924381.2
n2
16801838515072836
n3
2.177886332628E+24
n4
2.8230177748658E+32
n5
3.6592494464999E+40
2 √n
11385.161658931
3 √n
506.08811028454
4 √n
106.70127299583
5 √n
41.931044484808
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
-129621905
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 129621906 can be divided by 8 positive divisors.
The sum of these divisors (counting 129621906) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101110011101111110010010
3
Ternary
100000220110211100
4
Quaternary
13232131332102
5
Quinary
231140400111
6
Senary
20510125230
8
Octal
756357622
10
Decimal
129621906
12
Duodecimal
374b0816
16
Hexadecimal
7b9df92
20
Vigesimal
20a2ef6
36
Base36
2568wi
md5
096ee7c2755d48edba7e322cb70153cf
sha1
62771ebf227e686283d2d538795bbe35c6390d1a
sha256
ebee1390e77f731d9d2135d904b4516dd231930a2a9e9aba0a6561077ce9ac48
sha512
f6f9a2d0f9d5561bb464684e010ef5db3a6a45d54d35520c6630313af8fb58f83966517917e194369d9390cf6b03d1097d593266c8c517f8dfb4e9b55366abfa
ripemd-160
3bbd4f1b254319b9aed24a756c8f55413f26f840
Diameter
259243812
Circumference
814438455.26781
Area
5.2784532445755E+16
Volume
9.1227089372501E+24
Surface area
2.1113812978302E+17
Circumference
814438455.26781
Perimeter
518487624
Area
16801838515072836
Diagonal
183313057.44585
Surface area
100811031090437016
Volume
2.177886332628E+24
Space diagonal
224511726.96592
Perimeter
388865718
Area
7.2754094921684E+15
Altitude
112255863.48296
Surface area
7.2754094921684E+15
Volume
2.5666636574245E+23
Height
61104352.48195