129571842 is an even 9-digits composite number following 129571841
and preceding 129571843 . In scientific notation, it is written as 1.29571842 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 43190612 positive integers (up to 129571842) that are relatively prime to 129571842.
129571842 has 8 divisors, whose sum is 259143696
The reverse of 129571842 is 248175921
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-nine million five hundred seventy-one thousand eight hundred forty-two
Scientific notation
1.29571842 × 10^8
Engineering notation
1.29571842 × 10^6
Prime Factorization
2 × 3 × 21595307
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129571842
Product of the distinct prime numbers
The prime factorization of 129571842 is 2 × 3 × 21595307.
Since it has a total of 3 prime factors.
3 , 5 , 85 , 65 , 12 , 171 , 427 , 8391 , 31183 , 81940 , 663731 , 215419 , 8265308 , 3378252 , 8598678 , 68839422 , 793756481 , 550082022 , 6904248568 , 9252219453
n×2
259143684
n×3
388715526
n×4
518287368
n×5
647859210
n÷2
64785921
n÷3
43190614
n÷3
32392960.5
n÷5
25914368.4
n2
16788862239272964
n3
2.1753638054268E+24
n4
2.8186589528929E+32
n5
3.6521883249612E+40
2 √n
11382.962795336
3 √n
506.02294625328
4 √n
106.69096866809
5 √n
41.927804970335
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
-129571841
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 129571842 can be divided by 8 positive divisors.
The sum of these divisors (counting 129571842) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101110010001110000000010
3
Ternary
100000210221011010
4
Quaternary
13232101300002
5
Quinary
231132244332
6
Senary
20505101350
8
Octal
756216002
10
Decimal
129571842
12
Duodecimal
37487856
16
Hexadecimal
7b91c02
20
Vigesimal
209g9c2
36
Base36
25569u
md5
5a0094e998e28a99a4e57a4141763aae
sha1
268bf2124180a2bb130edb9af05240345473649d
sha256
75d274e62d92412755ab33144130d2c11aaf398dc6961639c8f938f81806714d
sha512
72eb14f2b89397ca3a69b1df07d8a4ee94963bba70bab329a63db3e3774bc8adb1afeccde813430f0e38640ff729f56cb12022ac46a51e52650d13ec0827b18a
ripemd-160
88ca1e2c5b4eaed79233e983aad362fe3f5e5d3d
Diameter
259143684
Circumference
814123893.87859
Area
5.2743766273031E+16
Volume
9.1121426000188E+24
Surface area
2.1097506509212E+17
Circumference
814123893.87859
Perimeter
518287368
Area
16788862239272964
Diagonal
183242256.25806
Surface area
100733173435637784
Volume
2.1753638054268E+24
Space diagonal
224425013.57429
Perimeter
388715526
Area
7.2697905999238E+15
Altitude
112212506.78714
Surface area
7.2697905999238E+15
Volume
2.5636908306085E+23
Height
61080752.086021