128439456 is an even 9-digits composite number following 128439455
and preceding 128439457 . In scientific notation, it is written as 1.28439456 × 10^8.
The sum of its digits is 42. It has a total of 7 prime factors and 24 positive divisors.
There are 42813120 positive integers (up to 128439456) that are relatively prime to 128439456.
128439456 has 24 divisors, whose sum is 337153824
The reverse of 128439456 is 654934821
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-eight million four hundred thirty-nine thousand four hundred fifty-six
Scientific notation
1.28439456 × 10^8
Engineering notation
1.28439456 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 3 × 1337911
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
8027466
Product of the distinct prime numbers
The prime factorization of 128439456 is 2 × 2 × 2 × 2 × 2 × 3 × 1337911.
Since it has a total of 7 prime factors.
10 , 9 , 11 , 87 , 848 , 514 , 453 , 1673 , 62045 , 86496 , 810906 , 518888 , 293087 , 1065197 , 69745197 , 56038184 , 983705385 , 647515071 , 7865708450 , 639031082
n×2
256878912
n×3
385318368
n×4
513757824
n×5
642197280
n÷2
64219728
n÷3
42813152
n÷3
32109864
n÷5
25687891.2
n2
16496693857575936
n3
2.1188263848656E+24
n4
2.7214090823058E+32
n5
3.4953630208482E+40
2 √n
11333.113252765
3 √n
504.54451103114
4 √n
106.45709583097
5 √n
41.854262280114
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 32 , 48 , 96 , 1337911 , 2675822 , 4013733 , 5351644 , 8027466 , 10703288 , 16054932 , 21406576 , 32109864 , 42813152 , 64219728 , 128439456
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
-128439455
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 128439456 can be divided by 24 positive divisors.
The sum of these divisors (counting 128439456) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101001111101010010100000
3
Ternary
22221200101210220
4
Quaternary
13221331102200
5
Quinary
230340030311
6
Senary
20424523040
8
Octal
751752240
10
Decimal
128439456
12
Duodecimal
37020480
16
Hexadecimal
7a7d4a0
20
Vigesimal
202eicg
36
Base36
24gwio
md5
44225fa708914f69050679ab90c9b5d5
sha1
72570bedafe930abfbd6159654562be550bdba75
sha256
4d1e58e06271baf60b47281be148fb59f4928b2c6619ad2fa36e50231d2454f5
sha512
83fdda5812cb84514591054fd99a3401c4ff5a184b37e6bd8593058afc54b490240001cc78fca9b76acac2cfd0a53590c952455c6c81d2509dfa7e7d828ff4c7
ripemd-160
5705c36e0383c18d5d841f86d58569d57ea03c10
Diameter
256878912
Circumference
807008902.80134
Area
5.182589223148E+16
Volume
8.875319206568E+24
Surface area
2.0730356892592E+17
Circumference
807008902.80134
Perimeter
513757824
Area
16496693857575936
Diagonal
181640820.61902
Surface area
98980163145455616
Volume
2.1188263848656E+24
Space diagonal
222463663.48851
Perimeter
385318368
Area
7.1432779795577E+15
Altitude
111231831.74425
Surface area
7.1432779795577E+15
Volume
2.4970608414924E+23
Height
60546940.206341