129691288 is an even 9-digits composite number following 129691287
and preceding 129691289 . In scientific notation, it is written as 1.29691288 × 10^8.
The sum of its digits is 46. It has a total of 4 prime factors and 8 positive divisors.
There are 64845640 positive integers (up to 129691288) that are relatively prime to 129691288.
129691288 has 8 divisors, whose sum is 243171180
The reverse of 129691288 is 882196921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred twenty-nine million six hundred ninety-one thousand two hundred eighty-eight
Scientific notation
1.29691288 × 10^8
Engineering notation
1.29691288 × 10^6
Prime Factorization
2 × 2 × 2 × 16211411
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
32422822
Product of the distinct prime numbers
The prime factorization of 129691288 is 2 × 2 × 2 × 16211411.
Since it has a total of 4 prime factors.
5 , 3 , 88 , 92 , 925 , 294 , 2862 , 897 , 68257 , 95050 , 144161 , 179808 , 1157182 , 4581733 , 84090389 , 34301131 , 916618234 , 178439568 , 2616864911 , 4796221550
n×2
259382576
n×3
389073864
n×4
518765152
n×5
648456440
n÷2
64845644
n÷3
43230429.333333
n÷3
32422822
n÷5
25938257.6
n2
16819830183098944
n3
2.1813854403874E+24
n4
2.8290668738829E+32
n5
3.66905326712E+40
2 √n
11388.208287523
3 √n
506.17839117206
4 √n
106.71554848063
5 √n
41.935532363638
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
-129691287
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 129691288 can be divided by 8 positive divisors.
The sum of these divisors (counting 129691288) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101110101110111010011000
3
Ternary
100001001000000001
4
Quaternary
13232232322120
5
Quinary
231200110123
6
Senary
20511422344
8
Octal
756567230
10
Decimal
129691288
12
Duodecimal
375249b4
16
Hexadecimal
7baee98
20
Vigesimal
20ab848
36
Base36
257qfs
md5
7df6c45901145fec2feab66ded97da72
sha1
4d422c9730cdbc3372aad94a33198482d926bf7b
sha256
0064d2e885ab5a9e235c261e6681e71daf8e28473dd524281b7024cc6a1aedc1
sha512
ebbeefdb7fa4ae4eb73ab208c261b78eda15b1cf11a804114f5c09df9fd0e00e0805e294b4f2f937c3329ddb28297faa8a9326849ffb1aa8777bb9dcbbd41974
ripemd-160
5400dd287c0379fee965a16baec49799b1e46c3a
Diameter
259382576
Circumference
814874395.2308
Area
5.2841054937852E+16
Volume
9.1373659655583E+24
Surface area
2.1136421975141E+17
Circumference
814874395.2308
Perimeter
518765152
Area
16819830183098944
Diagonal
183411178.41124
Surface area
100918981098593664
Volume
2.1813854403874E+24
Space diagonal
224631900.11505
Perimeter
389073864
Area
7.283200112952E+15
Altitude
112315950.05752
Surface area
7.283200112952E+15
Volume
2.5707873954659E+23
Height
61137059.470412