128889471 is an odd 9-digits composite number following 128889470
and preceding 128889472 . In scientific notation, it is written as 1.28889471 × 10^8.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 85926312 positive integers (up to 128889471) that are relatively prime to 128889471.
128889471 has 4 divisors, whose sum is 171852632
The reverse of 128889471 is 174988821
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred twenty-eight million eight hundred eighty-nine thousand four hundred seventy-one
Scientific notation
1.28889471 × 10^8
Engineering notation
1.28889471 × 10^6
Prime Factorization
3 × 42963157
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128889471
Product of the distinct prime numbers
The prime factorization of 128889471 is 3 × 42963157.
Since it has a total of 2 prime factors.
9 , 9 , 63 , 95 , 854 , 724 , 7546 , 9345 , 69568 , 12228 , 459941 , 776512 , 6116833 , 7330929 , 52218610 , 87318336 , 481716934 , 770410061 , 1247676986 , 2169052091
n×2
257778942
n×3
386668413
n×4
515557884
n×5
644447355
n÷2
64444735.5
n÷3
42963157
n÷3
32222367.75
n÷5
25777894.2
n2
16612495734659841
n3
2.1411757872301E+24
n4
2.7597501453409E+32
n5
3.5570273632516E+40
2 √n
11352.949880978
3 √n
505.13308390025
4 √n
106.55022234129
5 √n
41.883550327174
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128889470
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128889471 can be divided by 4 positive divisors.
The sum of these divisors (counting 128889471) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101011101011001001111111
3
Ternary
22222112021010010
4
Quaternary
13223223021333
5
Quinary
230443430341
6
Senary
20442314303
8
Octal
753531177
10
Decimal
128889471
12
Duodecimal
371b8993
16
Hexadecimal
7aeb27f
20
Vigesimal
205b3db
36
Base36
24qjr3
md5
ccda7a4f336ca3788cd3cb4dff93eb9d
sha1
a20794d0a4da7398a3eeb51d90f25aa05741ee91
sha256
2ba29949c8547a38656400d21d4cbed5c81c0f63bcc2d6cfc6d321b2062170ae
sha512
a816215efcd39c0304b552ab8b265ab12e8599584e93fdfb77152f3d0b6169c94bfd02d26f9b42d91521457bec14be75d6773b7805513e9749b0cbd78bc59228
ripemd-160
1447546e66c7a6dad12e851afe696727cf456af6
Diameter
257778942
Circumference
809836430.43735
Area
5.2189694557799E+16
Volume
8.9689361642751E+24
Surface area
2.087587782312E+17
Circumference
809836430.43735
Perimeter
515557884
Area
16612495734659841
Diagonal
182277237.93529
Surface area
99674974407959046
Volume
2.1411757872301E+24
Space diagonal
223243112.33268
Perimeter
386668413
Area
7.193421663238E+15
Altitude
111621556.16634
Surface area
7.193421663238E+15
Volume
2.5233998647714E+23
Height
60759079.311765