128889472 is an even 9-digits composite number following 128889471
and preceding 128889473 . In scientific notation, it is written as 1.28889472 × 10^8.
The sum of its digits is 49. It has a total of 8 prime factors and 16 positive divisors.
There are 64444672 positive integers (up to 128889472) that are relatively prime to 128889472.
128889472 has 16 divisors, whose sum is 256772250
The reverse of 128889472 is 274988821
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred twenty-eight million eight hundred eighty-nine thousand four hundred seventy-two
Scientific notation
1.28889472 × 10^8
Engineering notation
1.28889472 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 1006949
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
2013898
Product of the distinct prime numbers
The prime factorization of 128889472 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 1006949.
Since it has a total of 8 prime factors.
9 , 6 , 82 , 27 , 194 , 352 , 9127 , 8435 , 75359 , 55637 , 815480 , 848801 , 6398877 , 6294255 , 17715240 , 46272179 , 803432596 , 377697873 , 2116588526 , 3269674044
n×2
257778944
n×3
386668416
n×4
515557888
n×5
644447360
n÷2
64444736
n÷3
42963157.333333
n÷3
32222368
n÷5
25777894.4
n2
16612495992438784
n3
2.1411758370676E+24
n4
2.7597502309879E+32
n5
3.5570275012391E+40
2 √n
11352.949925019
3 √n
505.13308520663
4 √n
106.55022254796
5 √n
41.883550392166
1 , 2 , 4 , 8 , 16 , 32 , 64 , 128 , 1006949 , 2013898 , 4027796 , 8055592 , 16111184 , 32222368 , 64444736 , 128889472
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128889471
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128889472 can be divided by 16 positive divisors.
The sum of these divisors (counting 128889472) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101011101011001010000000
3
Ternary
22222112021010011
4
Quaternary
13223223022000
5
Quinary
230443430342
6
Senary
20442314304
8
Octal
753531200
10
Decimal
128889472
12
Duodecimal
371b8994
16
Hexadecimal
7aeb280
20
Vigesimal
205b3dc
36
Base36
24qjr4
md5
f4e206f1157aed157016adc9d7c75281
sha1
0ca6437f52f05b4e33c4281daac344d4226efd14
sha256
cd132ec883f3e3d7f0338d1ab36a1b6cd268c0920de5dd88a779467bff51f42c
sha512
904a671efb8efa098cff04a143f101f5378f1c5882533634a80ff6f84fa56fc0f194fe0693ed5eb31a6ded25663c12689a169389477f3a3b6985d8196303ecdf
ripemd-160
fb08eba934f9f822c9abb173156ff348cb3998f5
Diameter
257778944
Circumference
809836436.72053
Area
5.2189695367636E+16
Volume
8.9689363730339E+24
Surface area
2.0875878147054E+17
Circumference
809836436.72053
Perimeter
515557888
Area
16612495992438784
Diagonal
182277239.34951
Surface area
99674975954632704
Volume
2.1411758370676E+24
Space diagonal
223243114.06473
Perimeter
386668416
Area
7.1934217748596E+15
Altitude
111621557.03236
Surface area
7.1934217748596E+15
Volume
2.5233999235054E+23
Height
60759079.783169