128439456 (number)

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.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million four hundred thirty-nine thousand four hundred fifty-six

Notation

Scientific notation 1.28439456 × 10^8
Engineering notation 1.28439456 × 10^6

Prime Factorization of 128439456

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.

Most popular turbo-numbers

Basic calculations (n = 128439456)

Multiplication

n×y
n×2 256878912
n×3 385318368
n×4 513757824
n×5 642197280

Division

n÷y
n÷2 64219728
n÷3 42813152
n÷3 32109864
n÷5 25687891.2

Exponentiation

ny
n2 16496693857575936
n3 2.1188263848656E+24
n4 2.7214090823058E+32
n5 3.4953630208482E+40

Nth Root

y√n
2√n 11333.113252765
3√n 504.54451103114
4√n 106.45709583097
5√n 41.854262280114

Divisors of 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 conversion 128439456

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

Cryptographic Hash Functions

md5 44225fa708914f69050679ab90c9b5d5
sha1 72570bedafe930abfbd6159654562be550bdba75
sha256 4d1e58e06271baf60b47281be148fb59f4928b2c6619ad2fa36e50231d2454f5
sha512 83fdda5812cb84514591054fd99a3401c4ff5a184b37e6bd8593058afc54b490240001cc78fca9b76acac2cfd0a53590c952455c6c81d2509dfa7e7d828ff4c7
ripemd-160 5705c36e0383c18d5d841f86d58569d57ea03c10

128439456 as geometric shapes

Circle

Radius = n
Diameter 256878912
Circumference 807008902.80134
Area 5.182589223148E+16

Sphere

Radius = n
Volume 8.875319206568E+24
Surface area 2.0730356892592E+17
Circumference 807008902.80134

Square

Length = n
Perimeter 513757824
Area 16496693857575936
Diagonal 181640820.61902

Cube

Length = n
Surface area 98980163145455616
Volume 2.1188263848656E+24
Space diagonal 222463663.48851

Equilateral Triangle

Length = n
Perimeter 385318368
Area 7.1432779795577E+15
Altitude 111231831.74425

Triangular Pyramid

Length = n
Surface area 7.1432779795577E+15
Volume 2.4970608414924E+23
Height 60546940.206341