128847984 (number)

128847984 is an even 9-digits composite number following 128847983 and preceding 128847985. In scientific notation, it is written as 1.28847984 × 10^8. The sum of its digits is 51. It has a total of 6 prime factors and 20 positive divisors. There are 42949312 positive integers (up to 128847984) that are relatively prime to 128847984.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million eight hundred forty-seven thousand nine hundred eighty-four

Notation

Scientific notation 1.28847984 × 10^8
Engineering notation 1.28847984 × 10^6

Prime Factorization of 128847984

Prime Factorization 2 × 2 × 2 × 2 × 3 × 2684333

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 16105998
Product of the distinct prime numbers

The prime factorization of 128847984 is 2 × 2 × 2 × 2 × 3 × 2684333. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128847984)

Multiplication

n×y
n×2 257695968
n×3 386543952
n×4 515391936
n×5 644239920

Division

n÷y
n÷2 64423992
n÷3 42949328
n÷3 32211996
n÷5 25769596.8

Exponentiation

ny
n2 16601802980864256
n3 2.1391088448495E+24
n4 2.7561986221543E+32
n5 3.5513063596816E+40

Nth Root

y√n
2√n 11351.122587656
3√n 505.07888059727
4√n 106.54164719797
5√n 41.880853680808

Divisors of 128847984

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128847983
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128847984 can be divided by 20 positive divisors. The sum of these divisors (counting 128847984) is 1, the average is 0.05.

Base conversion 128847984

Base System Value
2 Binary 111101011100001000001110000
3 Ternary 22222110011012120
4 Quaternary 13223201001300
5 Quinary 230441113414
6 Senary 20441354240
8 Octal 753410160
10 Decimal 128847984
12 Duodecimal 37198980
16 Hexadecimal 7ae1070
20 Vigesimal 2055jj4
36 Base36 24pnqo

Cryptographic Hash Functions

md5 bbeae952d30ec4bdefd1072fbb35d884
sha1 dd5ddbfe727c68acb76c2c4e1122271f2c04f7c0
sha256 9926293a37ac6eb0a5e4d00e41604ef23e25704c42607bcb3303366b652e0635
sha512 10c07f65589cb90692b977a38ed2cc1f63e8b410c6c7d9b1a84f9d715fd99b80caf1c15494bdf98ee1991e381f4aa40923e2e33ffd79b8a32994c610afa48344
ripemd-160 f91282d7a2543463a3885032cfaf96813b6625e0

128847984 as geometric shapes

Circle

Radius = n
Diameter 257695968
Circumference 809575759.92851
Area 5.2156102281028E+16

Sphere

Radius = n
Volume 8.9602781762777E+24
Surface area 2.0862440912411E+17
Circumference 809575759.92851

Square

Length = n
Perimeter 515391936
Area 16601802980864256
Diagonal 182218566.45723

Cube

Length = n
Surface area 99610817885185536
Volume 2.1391088448495E+24
Space diagonal 223171254.74082

Equilateral Triangle

Length = n
Perimeter 386543952
Area 7.1887915650263E+15
Altitude 111585627.37041

Triangular Pyramid

Length = n
Surface area 7.1887915650263E+15
Volume 2.5209639498154E+23
Height 60739522.152411