128798909 (number)

128798909 is an odd 9-digits composite number following 128798908 and preceding 128798910. In scientific notation, it is written as 1.28798909 × 10^8. The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors. There are 128732604 positive integers (up to 128798909) that are relatively prime to 128798909.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million seven hundred ninety-eight thousand nine hundred nine

Notation

Scientific notation 1.28798909 × 10^8
Engineering notation 1.28798909 × 10^6

Prime Factorization of 128798909

Prime Factorization 2003 × 64303

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128798909
Product of the distinct prime numbers

The prime factorization of 128798909 is 2003 × 64303. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 9, 88, 66, 377, 135, 47, 887, 67378, 23525, 520158, 604416, 9136154, 7694277, 96533699, 86098779, 477043583, 721158171, 8847543640, 9726281763

Basic calculations (n = 128798909)

Multiplication

n×y
n×2 257597818
n×3 386396727
n×4 515195636
n×5 643994545

Division

n÷y
n÷2 64399454.5
n÷3 42932969.666667
n÷3 32199727.25
n÷5 25759781.8

Exponentiation

ny
n2 16589158959590281
n3 2.1366655752228E+24
n4 2.7520019498655E+32
n5 3.5445484870855E+40

Nth Root

y√n
2√n 11348.960701315
3√n 505.0147484501
4√n 106.53150098124
5√n 41.877662919062

Divisors of 128798909

1, 2003, 64303, 128798909

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128798908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128798909 can be divided by 4 positive divisors. The sum of these divisors (counting 128798909) is 1, the average is 0.25.

Base conversion 128798909

Base System Value
2 Binary 111101011010101000010111101
3 Ternary 22222100122212222
4 Quaternary 13223111002331
5 Quinary 230433031114
6 Senary 20440335125
8 Octal 753250275
10 Decimal 128798909
12 Duodecimal 371744a5
16 Hexadecimal 7ad50bd
20 Vigesimal 204jh59
36 Base36 24olvh

Cryptographic Hash Functions

md5 c05420326c93f74b70fef4f2c99e8c63
sha1 1e9b29a1f65a97bac54fdfdd805c5f70490d01f2
sha256 d58dcb2e167d6076c78a3860268b090f05407a6743ba2c1ba95f5dc711ca62b9
sha512 88b548ce9b999e80c04ef2b353517eb15515939c621814030989ae3ca70556b5ac1bfad74dca9f8a1a0b52ea44fac5a45daa565c2eb758454c60a9c6491e5a15
ripemd-160 e4926af50dc3f43cb74281409e0d4e0e4d76f45a

128798909 as geometric shapes

Circle

Radius = n
Diameter 257597818
Circumference 809267412.60956
Area 5.2116379916682E+16

Sphere

Radius = n
Volume 8.9500438323976E+24
Surface area 2.0846551966673E+17
Circumference 809267412.60956

Square

Length = n
Perimeter 515195636
Area 16589158959590281
Diagonal 182149163.92666

Cube

Length = n
Surface area 99534953757541686
Volume 2.1366655752228E+24
Space diagonal 223086254.34744

Equilateral Triangle

Length = n
Perimeter 386396727
Area 7.1833165432117E+15
Altitude 111543127.17372

Triangular Pyramid

Length = n
Surface area 7.1833165432117E+15
Volume 2.5180845289465E+23
Height 60716387.975553