129587988 is an even 9-digits composite number following 129587987
and preceding 129587989 . In scientific notation, it is written as 1.29587988 × 10^8.
The sum of its digits is 57. It has a total of 4 prime factors and 12 positive divisors.
There are 43195992 positive integers (up to 129587988) that are relatively prime to 129587988.
129587988 has 12 divisors, whose sum is 302372000
The reverse of 129587988 is 889785921
Previous prime number is 3
Is Prime? no Number parity even Number length 9 Sum of Digits 57 Digital Root 3
Name
one hundred twenty-nine million five hundred eighty-seven thousand nine hundred eighty-eight
Scientific notation
1.29587988 × 10^8
Engineering notation
1.29587988 × 10^6
Prime Factorization
2 × 2 × 3 × 10798999
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
64793994 Product of the distinct prime numbers
The prime factorization of 129587988 is 2 × 2 × 3 × 10798999.
Since it has a total of 4 prime factors.
10 , 1 , 26 , 96 , 787 , 827 , 3646 , 4532 , 66342 , 65740 , 83287 , 984195 , 500457 , 3528676 , 16693785 , 37845905 , 744824984 , 181307376 , 1522643021 , 7653966581
n×2
259175976
n×3
388763964
n×4
518351952
n×5
647939940
n÷2
64793994
n÷3
43195996
n÷3
32396997
n÷5
25917597.6
n2
16793046633888144
n3
2.1761771256757E+24
n4
2.8200641524794E+32
n5
3.6544643955073E+40
2 √n11383.671991058
3 √n506.04396395543
4 √n106.69429221405
5 √n41.928849846426
1 , 2 , 3 , 4 , 6 , 12 , 10798999 , 21597998 , 32396997 , 43195996 , 64793994 , 129587988
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-129587987 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129587988 can be divided by 12 positive divisors.
The sum of these divisors (counting 129587988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101110010101101100010100
3
Ternary
100000211202022010
4
Quaternary
13232111230110
5
Quinary
231133303423
6
Senary
20505304220
8
Octal
756255424
10
Decimal
129587988
12
Duodecimal
37495070
16
Hexadecimal
7b95b14
20
Vigesimal
209i9j8
36
Base36
255iqc
md5
bffef8765e03a6c3839b6d146ca1f188
sha1
8df056fa26c911898e30f1b21f7b708943609665
sha256
69fd66577dc66072e05c340392abdc651e5a26037f904f955d1006b48c240ec2
sha512
1e71c760cbdf765e45b5e69a95252a86d7d24fb1244bc2f4f1a35a3f93a12877e19c0b20b6436d2d6b09f30381da2083a753ee7917a5c22047688533dddc3726
ripemd-160
74ea720a6136ea39216a6b44fb65d81d256f1056
Diameter
259175976
Circumference
814225342.18856
Area
5.2756911936414E+16
Volume
9.1155494279107E+24
Surface area
2.1102764774566E+17
Circumference
814225342.18856
Perimeter
518351952
Area
16793046633888144
Diagonal
183265090.15024
Surface area
100758279803328864
Volume
2.1761771256757E+24
Space diagonal
224452979.26663
Perimeter
388763964
Area
7.2716024959419E+15
Altitude
112226489.63331
Surface area
7.2716024959419E+15
Volume
2.5646493377139E+23
Height
61088363.383414