129260421 is an odd 9-digits composite number following 129260420
and preceding 129260422 . In scientific notation, it is written as 1.29260421 × 10^8.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 82969920 positive integers (up to 129260421) that are relatively prime to 129260421.
129260421 has 16 divisors, whose sum is 139077120
The reverse of 129260421 is 124062921
Previous prime number is 397
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
one hundred twenty-nine million two hundred sixty thousand four hundred twenty-one
Scientific notation
1.29260421 × 10^8
Engineering notation
1.29260421 × 10^6
Prime Factorization
27 × 31 × 397 × 389
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129260421
Product of the distinct prime numbers
The prime factorization of 129260421 is 27 × 31 × 397 × 389.
Since it has a total of 4 prime factors.
5 , 5 , 68 , 100 , 482 , 712 , 822 , 3392 , 47841 , 31421 , 395664 , 591460 , 9839209 , 5556220 , 3463380 , 75877261 , 431746100 , 109375214 , 6377280123 , 217738622
n×2
258520842
n×3
387781263
n×4
517041684
n×5
646302105
n÷2
64630210.5
n÷3
43086807
n÷3
32315105.25
n÷5
25852084.2
n2
16708256437097241
n3
2.1597162612351E+24
n4
2.791658331678E+32
n5
3.6085093124086E+40
2 √n
11369.27530672
3 √n
505.61721871981
4 √n
106.62680388495
5 √n
41.907631188941
1 , 27 , 31 , 389 , 397 , 837 , 10503 , 10719 , 12059 , 12307 , 154433 , 325593 , 332289 , 4169691 , 4787423 , 129260421
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
-129260420
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 129260421 can be divided by 16 positive divisors.
The sum of these divisors (counting 129260421) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101101000101101110000101
3
Ternary
100000020002222000
4
Quaternary
13231011232011
5
Quinary
231042313141
6
Senary
20454255513
8
Octal
755055605
10
Decimal
129260421
12
Duodecimal
37357599
16
Hexadecimal
7b45b85
20
Vigesimal
207hb11
36
Base36
24yhz9
md5
5bee54aaf9ab08a8b48e4664df0773f3
sha1
05254020eeaad14c6607bef6c544e117091cfc49
sha256
25db425be5e0cf85708319d414f0536ff5473cc5f89524778a983a2ca0de7ec6
sha512
150aaedea747a4994b58c35732f1b732213664a9d2dcfa09e22302abcbbfe60e29a91ef3f8054dbaf3b87a8c0d2fe269b70904b984006dff789d7de86fc71f98
ripemd-160
5be007c4783fd6b82c89a11f02d5a3d0dc4ea81e
Diameter
258520842
Circumference
812167178.02705
Area
5.2490535677079E+16
Volume
9.0465983201797E+24
Surface area
2.0996214270832E+17
Circumference
812167178.02705
Perimeter
517041684
Area
16708256437097241
Diagonal
182801840.45626
Surface area
100249538622583446
Volume
2.1597162612351E+24
Space diagonal
223885616.57974
Perimeter
387781263
Area
7.2348872637355E+15
Altitude
111942808.28987
Surface area
7.2348872637355E+15
Volume
2.5452500229304E+23
Height
60933946.818752