128839155 (number)

128839155 is an odd 9-digits composite number following 128839154 and preceding 128839156. In scientific notation, it is written as 1.28839155 × 10^8. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 67616640 positive integers (up to 128839155) that are relatively prime to 128839155.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million eight hundred thirty-nine thousand one hundred fifty-five

Notation

Scientific notation 1.28839155 × 10^8
Engineering notation 1.28839155 × 10^6

Prime Factorization of 128839155

Prime Factorization 15 × 131 × 379 × 173

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128839155
Product of the distinct prime numbers

The prime factorization of 128839155 is 15 × 131 × 379 × 173. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128839155)

Multiplication

n×y
n×2 257678310
n×3 386517465
n×4 515356620
n×5 644195775

Division

n÷y
n÷2 64419577.5
n÷3 42946385
n÷3 32209788.75
n÷5 25767831

Exponentiation

ny
n2 16599527861114025
n3 2.1386691430249E+24
n4 2.755443252119E+32
n5 3.5500898025346E+40

Nth Root

y√n
2√n 11350.733676728
3√n 505.06734389291
4√n 106.53982202317
5√n 41.880279708005

Divisors of 128839155

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 -128839154
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 128839155 can be divided by 16 positive divisors. The sum of these divisors (counting 128839155) is 1, the average is 0.0625.

Base conversion 128839155

Base System Value
2 Binary 111101011011110110111110011
3 Ternary 22222102201002120
4 Quaternary 13223132313303
5 Quinary 230440323110
6 Senary 20441245323
8 Octal 753366763
10 Decimal 128839155
12 Duodecimal 37193843
16 Hexadecimal 7adedf3
20 Vigesimal 2054hhf
36 Base36 24pgxf

Cryptographic Hash Functions

md5 44a2fa52920ae470a1f0bf2c517e6db6
sha1 b49a45263e8f891eec43e2abe04145c4d1795ea6
sha256 79b85c74d9ae02874c89b53738ae1a00308cbd2e8fd04d14379e3bc6b5dcaedc
sha512 e80888bc69120debc001d3f7aba66f4ac1fbda26df49459493372566d088ffd5baa129309ebec19027886845742a7786d19c271fc5a0adc4e27ce8a31515be25
ripemd-160 695825628b9f6a48366668b365e9c91f43a997d5

128839155 as geometric shapes

Circle

Radius = n
Diameter 257678310
Circumference 809520285.68543
Area 5.2148954781535E+16

Sphere

Radius = n
Volume 8.9584363575816E+24
Surface area 2.0859581912614E+17
Circumference 809520285.68543

Square

Length = n
Perimeter 515356620
Area 16599527861114025
Diagonal 182206080.36569

Cube

Length = n
Surface area 99597167166684150
Volume 2.1386691430249E+24
Space diagonal 223155962.46424

Equilateral Triangle

Length = n
Perimeter 386517465
Area 7.1878064092762E+15
Altitude 111577981.23212

Triangular Pyramid

Length = n
Surface area 7.1878064092762E+15
Volume 2.5204457562455E+23
Height 60735360.121896