129442988 is an even 9-digits composite number following 129442987
and preceding 129442989 . In scientific notation, it is written as 1.29442988 × 10^8.
The sum of its digits is 47. It has a total of 5 prime factors and 24 positive divisors.
There are 61799760 positive integers (up to 129442988) that are relatively prime to 129442988.
129442988 has 24 divisors, whose sum is 236785920
The reverse of 129442988 is 889244921
Previous prime number is 1531
Is Prime? no Number parity even Number length 9 Sum of Digits 47 Digital Root 2
Name
one hundred twenty-nine million four hundred forty-two thousand nine hundred eighty-eight
Scientific notation
1.29442988 × 10^8
Engineering notation
1.29442988 × 10^6
Prime Factorization
2 × 2 × 23 × 1531 × 919
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
64721494 Product of the distinct prime numbers
The prime factorization of 129442988 is 2 × 2 × 23 × 1531 × 919.
Since it has a total of 5 prime factors.
4 , 2 , 79 , 93 , 304 , 750 , 9149 , 1532 , 27098 , 23681 , 197544 , 424615 , 5550472 , 8757382 , 33819462 , 61000886 , 581044451 , 933463581 , 272747922 , 6337659664
n×2
258885976
n×3
388328964
n×4
517771952
n×5
647214940
n÷2
64721494
n÷3
43147662.666667
n÷3
32360747
n÷5
25888597.6
n2
16755487142368144
n3
2.1688803211037E+24
n4
2.8074634937806E+32
n5
3.6340646333589E+40
2 √n11377.301437511
3 √n505.85515077753
4 √n106.6644337983
5 √n41.919462547113
1 , 2 , 4 , 23 , 46 , 92 , 919 , 1531 , 1838 , 3062 , 3676 , 6124 , 21137 , 35213 , 42274 , 70426 , 84548 , 140852 , 1406989 , 2813978 , 5627956 , 32360747 , 64721494 , 129442988
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
-129442987 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 129442988 can be divided by 24 positive divisors.
The sum of these divisors (counting 129442988) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101101110010010010101100
3
Ternary
100000120101101202
4
Quaternary
13231302102230
5
Quinary
231114133423
6
Senary
20502225032
8
Octal
755622254
10
Decimal
129442988
12
Duodecimal
37425178
16
Hexadecimal
7b724ac
20
Vigesimal
2090798
36
Base36
252euk
md5
2e6172837979f60be90c87aff7a02411
sha1
cc817df66b103ba56257f9d2d3a60253a86e5c94
sha256
751ebd0c70f8a2342a2fe7fa773898a81f437ed598b9309f7e840cc5de3e00fc
sha512
6d4483f893697398db43df643c057cbe1e91a15c9869d81d92c44c20f2b44d72703e6a592de6cb8871c238331089254c4cda94cf004758f9920f3c6137cab70b
ripemd-160
7423b432ade7cc2e72ebbbcc2232a57faa3d0849
Diameter
258885976
Circumference
813314280.31902
Area
5.2638915313782E+16
Volume
9.0849846443932E+24
Surface area
2.1055566125513E+17
Circumference
813314280.31902
Perimeter
517771952
Area
16755487142368144
Diagonal
183060029.1837
Surface area
100532922854208864
Volume
2.1688803211037E+24
Space diagonal
224201831.89953
Perimeter
388328964
Area
7.2553387590372E+15
Altitude
112100915.94976
Surface area
7.2553387590372E+15
Volume
2.5560499710575E+23
Height
61020009.727899