129403840 is an even 9-digits composite number following 129403839
and preceding 129403841 . In scientific notation, it is written as 1.29403840 × 10^8.
The sum of its digits is 31. It has a total of 8 prime factors and 28 positive divisors.
There are 51761408 positive integers (up to 129403840) that are relatively prime to 129403840.
129403840 has 28 divisors, whose sum is 308143656
The reverse of 129403840 is 048304921
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-nine million four hundred three thousand eight hundred forty
Scientific notation
1.29403840 × 10^8
Engineering notation
1.29403840 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 5 × 404387
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
4043870
Product of the distinct prime numbers
The prime factorization of 129403840 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 404387.
Since it has a total of 8 prime factors.
10 , 6 , 39 , 22 , 875 , 928 , 3863 , 3466 , 6698 , 19175 , 544234 , 661258 , 299738 , 7579590 , 49770528 , 8054689 , 642876717 , 300905316 , 3946234166 , 3899159092
n×2
258807680
n×3
388211520
n×4
517615360
n×5
647019200
n÷2
64701920
n÷3
43134613.333333
n÷3
32350960
n÷5
25880768
n2
16745353806745600
n3
2.1669130847515E+24
n4
2.8040687411309E+32
n5
3.628572627263E+40
2 √n
11375.58086429
3 √n
505.80414965219
4 √n
106.65636813754
5 √n
41.916926663622
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 32 , 40 , 64 , 80 , 160 , 320 , 404387 , 808774 , 1617548 , 2021935 , 3235096 , 4043870 , 6470192 , 8087740 , 12940384 , 16175480 , 25880768 , 32350960 , 64701920 , 129403840
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129403839
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129403840 can be divided by 28 positive divisors.
The sum of these divisors (counting 129403840) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
111101101101000101111000000
3
Ternary
100000111101200211
4
Quaternary
13231220233000
5
Quinary
231111410330
6
Senary
20501323504
8
Octal
755505700
10
Decimal
129403840
12
Duodecimal
37406594
16
Hexadecimal
7b68bc0
20
Vigesimal
208f9c0
36
Base36
251kn4
md5
60a1c5bfc87129bbf23e6a01492df81c
sha1
6f12abbd8fd8460110d143ffafaf9bc265aec1e0
sha256
8eba5fcd78a5e41a386eb0aee2c654674e617dfddff05aa8ab078eb43d7d43f9
sha512
8e26720716f09601c81ac87731c0cb602d3cb5b6cbea682e4d3898bb023b2ccc9599cd6de9f33f5e321af5ca9b996fa7a0b5184b08a6346006220725993cbf89
ripemd-160
6cce471c0bef40f359df5732ed8e0346ae6b520d
Diameter
258807680
Circumference
813068306.18062
Area
5.2607080501034E+16
Volume
9.0767443040305E+24
Surface area
2.1042832200414E+17
Circumference
813068306.18062
Perimeter
517615360
Area
16745353806745600
Diagonal
183004665.55116
Surface area
100472122840473600
Volume
2.1669130847515E+24
Space diagonal
224134025.57451
Perimeter
388211520
Area
7.2509508960001E+15
Altitude
112067012.78726
Surface area
7.2509508960001E+15
Volume
2.5537315607827E+23
Height
61001555.183719