129306021 is an odd 9-digits composite number following 129306020
and preceding 129306022 . In scientific notation, it is written as 1.29306021 × 10^8.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 79168320 positive integers (up to 129306021) that are relatively prime to 129306021.
129306021 has 8 divisors, whose sum is 133296000
The reverse of 129306021 is 120603921
Previous prime number is 199
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 24
Digital Root 6
Name
one hundred twenty-nine million three hundred six thousand twenty-one
Scientific notation
1.29306021 × 10^8
Engineering notation
1.29306021 × 10^6
Prime Factorization
39 × 199 × 16661
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129306021
Product of the distinct prime numbers
The prime factorization of 129306021 is 39 × 199 × 16661.
Since it has a total of 3 prime factors.
8 , 1 , 60 , 31 , 371 , 205 , 4490 , 2341 , 8805 , 97783 , 534633 , 628235 , 4057066 , 3381153 , 54074796 , 68655350 , 133393817 , 771425986 , 8303161377 , 4681200274
n×2
258612042
n×3
387918063
n×4
517224084
n×5
646530105
n÷2
64653010.5
n÷3
43102007
n÷3
32326505.25
n÷5
25861204.2
n2
16720047066852441
n3
2.1620027571474E+24
n4
2.7955997391776E+32
n5
3.6148787858169E+40
2 √n
11371.280534751
3 √n
505.67666830308
4 √n
106.63620649081
5 √n
41.910587574761
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
-129306020
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 129306021 can be divided by 8 positive divisors.
The sum of these divisors (counting 129306021) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101101010000110110100101
3
Ternary
100000022102111220
4
Quaternary
13231100312211
5
Quinary
231100243041
6
Senary
20455250553
8
Octal
755206645
10
Decimal
129306021
12
Duodecimal
37379a59
16
Hexadecimal
7b50da5
20
Vigesimal
2083511
36
Base36
24zh5x
md5
cb6d0889f0b89c1efda52414d75ab71b
sha1
d552c19c019a278986c8c6564a807461a8c2f573
sha256
0b43ce9aab3cbaa5c911fd8ac926105082cd5a8e1684cf73c81f942c6618acee
sha512
38b0f712e08cab394e57602f66853c9acb474f5004c69ba363787a9847f4cd64dc9901b7753dc4f135ff520ba22e2b26ed4deb4ef54aeafc171ab513404c6497
ripemd-160
d9bc0a2d9067724e0f0c907c0d7629914703d9a3
Diameter
258612042
Circumference
812453691.27706
Area
5.2527577032899E+16
Volume
9.0561759718602E+24
Surface area
2.101103081316E+17
Circumference
812453691.27706
Perimeter
517224084
Area
16720047066852441
Diagonal
182866328.5947
Surface area
100320282401114646
Volume
2.1620027571474E+24
Space diagonal
223964598.09657
Perimeter
387918063
Area
7.2399927561829E+15
Altitude
111982299.04828
Surface area
7.2399927561829E+15
Volume
2.5479446842049E+23
Height
60955442.8649