129442860 is an even 9-digits composite number following 129442859
and preceding 129442861 . In scientific notation, it is written as 1.29442860 × 10^8.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 34517664 positive integers (up to 129442860) that are relatively prime to 129442860.
129442860 has 24 divisors, whose sum is 257290880
The reverse of 129442860 is 068244921
Previous prime number is 45
Is Prime? no
Number parity even
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred twenty-nine million four hundred forty-two thousand eight hundred sixty
Scientific notation
1.29442860 × 10^8
Engineering notation
1.29442860 × 10^6
Prime Factorization
2 × 2 × 9 × 45 × 79903
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
64721430
Product of the distinct prime numbers
The prime factorization of 129442860 is 2 × 2 × 9 × 45 × 79903.
Since it has a total of 5 prime factors.
8 , 9 , 94 , 27 , 489 , 187 , 3237 , 2471 , 68355 , 45322 , 323201 , 260672 , 9480204 , 7563995 , 41457136 , 12290860 , 474331595 , 540528530 , 1584012706 , 3764212638
n×2
258885720
n×3
388328580
n×4
517771440
n×5
647214300
n÷2
64721430
n÷3
43147620
n÷3
32360715
n÷5
25888572
n2
16755454004979600
n3
2.168873887003E+24
n4
2.8074523891299E+32
n5
3.634046665628E+40
2 √n
11377.295812275
3 √n
505.8549840388
4 √n
106.66440742944
5 √n
41.919454256678
1 , 2 , 4 , 9 , 18 , 36 , 45 , 90 , 180 , 405 , 810 , 1620 , 79903 , 159806 , 319612 , 719127 , 1438254 , 2876508 , 3595635 , 7191270 , 14382540 , 32360715 , 64721430 , 129442860
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129442859
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129442860 can be divided by 24 positive divisors.
The sum of these divisors (counting 129442860) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101101110010010000101100
3
Ternary
100000120101020000
4
Quaternary
13231302100230
5
Quinary
231114132420
6
Senary
20502224300
8
Octal
755622054
10
Decimal
129442860
12
Duodecimal
37425090
16
Hexadecimal
7b7242c
20
Vigesimal
2090730
36
Base36
252er0
md5
501e464b81f9622a355b376246181773
sha1
b66bbed258359dcfb9da14bcda4fca5c9b0a0540
sha256
ac5aaf71552f591d1ebc6751963e43944bc92e51a74130a5c7dd2a7978dbbb10
sha512
79ed7442ff7d77344702709f6a38e0327b51d7801c460941db969a3fe615808483119391488c4a0f310082675c8bc7eb8d4346db3ddc2c8c2cd1db2c74ec8e30
ripemd-160
3b1a00d993a66c6fea19d5c6ce5b922be211dcab
Diameter
258885720
Circumference
813313476.0713
Area
5.2638811209606E+16
Volume
9.0849576932952E+24
Surface area
2.1055524483842E+17
Circumference
813313476.0713
Perimeter
517771440
Area
16755454004979600
Diagonal
183059848.16436
Surface area
100532724029877600
Volume
2.168873887003E+24
Space diagonal
224201610.19703
Perimeter
388328580
Area
7.255324410127E+15
Altitude
112100805.09851
Surface area
7.255324410127E+15
Volume
2.5560423883971E+23
Height
61019949.388121