128889748 is an even 9-digits composite number following 128889747
and preceding 128889749 . In scientific notation, it is written as 1.28889748 × 10^8.
The sum of its digits is 55. It has a total of 5 prime factors and 24 positive divisors.
There are 57060864 positive integers (up to 128889748) that are relatively prime to 128889748.
128889748 has 24 divisors, whose sum is 231340032
The reverse of 128889748 is 847988821
Previous prime number is 43
Is Prime? no
Number parity even
Number length 9
Sum of Digits 55
Digital Root 1
Name
one hundred twenty-eight million eight hundred eighty-nine thousand seven hundred forty-eight
Scientific notation
1.28889748 × 10^8
Engineering notation
1.28889748 × 10^6
Prime Factorization
2 × 2 × 767 × 43 × 977
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
64444874
Product of the distinct prime numbers
The prime factorization of 128889748 is 2 × 2 × 767 × 43 × 977.
Since it has a total of 5 prime factors.
3 , 6 , 74 , 65 , 966 , 136 , 6390 , 3936 , 19637 , 60229 , 457488 , 14270 , 2001650 , 9365999 , 78005609 , 44789351 , 440292387 , 743232210 , 6801060619 , 2556096313
n×2
257779496
n×3
386669244
n×4
515558992
n×5
644448740
n÷2
64444874
n÷3
42963249.333333
n÷3
32222437
n÷5
25777949.6
n2
16612567139503504
n3
2.1411895922437E+24
n4
2.7597738696451E+32
n5
3.5570655859554E+40
2 √n
11352.962080444
3 √n
505.13344576525
4 √n
106.55027958877
5 √n
41.883568329783
1 , 2 , 4 , 43 , 86 , 172 , 767 , 977 , 1534 , 1954 , 3068 , 3908 , 32981 , 42011 , 65962 , 84022 , 131924 , 168044 , 749359 , 1498718 , 2997436 , 32222437 , 64444874 , 128889748
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
-128889747
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 128889748 can be divided by 24 positive divisors.
The sum of these divisors (counting 128889748) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101011101011001110010100
3
Ternary
22222112021111101
4
Quaternary
13223223032110
5
Quinary
230443432443
6
Senary
20442315444
8
Octal
753531624
10
Decimal
128889748
12
Duodecimal
371b8b84
16
Hexadecimal
7aeb394
20
Vigesimal
205b478
36
Base36
24qjys
md5
0b58fa6a1617f711802b412971e3584b
sha1
dc03b4d0f317484ef747953ec26d2816e10aacd5
sha256
bbbdc60c30d6f3728e379fec14230490c7e02b310ff707afb00fbe782f6b0f0d
sha512
35c77c465660dd32fbfb1095e0bbf8a53250d125382d7712db0f041e1d65b172a91b6a1c876da0a761fdc36c5a4b92824f299cd5fdb9444b2917c880e321120b
ripemd-160
6aaf21bb162459806f0caa70e531ced76211a83f
Diameter
257779496
Circumference
809838170.87968
Area
5.2189918882731E+16
Volume
8.9689939905809E+24
Surface area
2.0875967553093E+17
Circumference
809838170.87968
Perimeter
515558992
Area
16612567139503504
Diagonal
182277629.67245
Surface area
99675402837021024
Volume
2.1411895922437E+24
Space diagonal
223243592.11075
Perimeter
386669244
Area
7.1934525824423E+15
Altitude
111621796.05537
Surface area
7.1934525824423E+15
Volume
2.523416134136E+23
Height
60759209.890817