128776989 (number)

128776989 is an odd 9-digits composite number following 128776988 and preceding 128776990. In scientific notation, it is written as 1.28776989 × 10^8. The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors. There are 73455360 positive integers (up to 128776989) that are relatively prime to 128776989.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million seven hundred seventy-six thousand nine hundred eighty-nine

Notation

Scientific notation 1.28776989 × 10^8
Engineering notation 1.28776989 × 10^6

Prime Factorization of 128776989

Prime Factorization 3 × 17 × 11 × 229549

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128776989
Product of the distinct prime numbers

The prime factorization of 128776989 is 3 × 17 × 11 × 229549. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 7, 33, 92, 93, 359, 7411, 9325, 34488, 33833, 643308, 476867, 1347869, 7495626, 35847732, 74823860, 986020622, 214102211, 6822929003, 5472713216

Basic calculations (n = 128776989)

Multiplication

n×y
n×2 257553978
n×3 386330967
n×4 515107956
n×5 643884945

Division

n÷y
n÷2 64388494.5
n÷3 42925663
n÷3 32194247.25
n÷5 25755397.8

Exponentiation

ny
n2 16583512895906121
n3 2.1355748577775E+24
n4 2.7501289996868E+32
n5 3.5415333194125E+40

Nth Root

y√n
2√n 11347.994933027
3√n 504.98609771224
4√n 106.5269681021
5√n 41.876237408746

Divisors of 128776989

1, 3, 11, 17, 33, 51, 187, 561, 229549, 688647, 2525039, 3902333, 7575117, 11706999, 42925663, 128776989

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 -128776988
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 128776989 can be divided by 16 positive divisors. The sum of these divisors (counting 128776989) is 1, the average is 0.0625.

Base conversion 128776989

Base System Value
2 Binary 111101011001111101100011101
3 Ternary 22222022112211010
4 Quaternary 13223033230131
5 Quinary 230431330424
6 Senary 20440045433
8 Octal 753175435
10 Decimal 128776989
12 Duodecimal 37163879
16 Hexadecimal 7acfb1d
20 Vigesimal 204h299
36 Base36 24o4yl

Cryptographic Hash Functions

md5 63588ecd11bea989a12e59630be58850
sha1 76ebd4b0275ee8fa3e05edfea452801396c13a43
sha256 9891d18cfad1a3cf506bcc7724f08c3dacfa8edf76adc2eacb59303a0c8881e3
sha512 4195550dffe40b1d57dedc51a41fb34473cfe71166b7ae0432d1a6b46ed11a3b6c35504dd7d9d732a5e1620542b297dda151ae917b85552a7cd34c7befaf1550
ripemd-160 d45ab04b3d8c540b99b528a0156b20e9af0b7a4b

128776989 as geometric shapes

Circle

Radius = n
Diameter 257553978
Circumference 809129685.18763
Area 5.209864228449E+16

Sphere

Radius = n
Volume 8.9454750458463E+24
Surface area 2.0839456913796E+17
Circumference 809129685.18763

Square

Length = n
Perimeter 515107956
Area 16583512895906121
Diagonal 182118164.36537

Cube

Length = n
Surface area 99501077375436726
Volume 2.1355748577775E+24
Space diagonal 223048287.79374

Equilateral Triangle

Length = n
Perimeter 386330967
Area 7.1808717259208E+15
Altitude 111524143.89687

Triangular Pyramid

Length = n
Surface area 7.1808717259208E+15
Volume 2.5167991061099E+23
Height 60706054.788457