128249919 (number)

128249919 is an odd 9-digits composite number following 128249918 and preceding 128249920. In scientific notation, it is written as 1.28249919 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 70755552 positive integers (up to 128249919) that are relatively prime to 128249919.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million two hundred forty-nine thousand nine hundred nineteen

Notation

Scientific notation 1.28249919 × 10^8
Engineering notation 1.28249919 × 10^6

Prime Factorization of 128249919

Prime Factorization 27 × 7 × 29 × 23399

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128249919
Product of the distinct prime numbers

The prime factorization of 128249919 is 27 × 7 × 29 × 23399. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 6, 55, 59, 558, 334, 7689, 925, 44000, 50342, 491510, 274471, 4476485, 6915216, 19342080, 35869771, 286100280, 625850442, 5979327674, 1022335293

Basic calculations (n = 128249919)

Multiplication

n×y
n×2 256499838
n×3 384749757
n×4 512999676
n×5 641249595

Division

n÷y
n÷2 64124959.5
n÷3 42749973
n÷3 32062479.75
n÷5 25649983.8

Exponentiation

ny
n2 16448041723506561
n3 2.1094600187483E+24
n4 2.7053807653821E+32
n5 3.4696486402442E+40

Nth Root

y√n
2√n 11324.748076668
3√n 504.29620485218
4√n 106.41779962332
5√n 41.841902187148

Divisors of 128249919

1, 7, 27, 29, 189, 203, 783, 5481, 23399, 163793, 631773, 678571, 4422411, 4749997, 18321417, 128249919

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 -128249918
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 128249919 can be divided by 16 positive divisors. The sum of these divisors (counting 128249919) is 1, the average is 0.0625.

Base conversion 128249919

Base System Value
2 Binary 111101001001111000000111111
3 Ternary 22221022202211000
4 Quaternary 13221033000333
5 Quinary 230312444134
6 Senary 20420501343
8 Octal 751170077
10 Decimal 128249919
12 Duodecimal 36b4a853
16 Hexadecimal 7a4f03f
20 Vigesimal 201b4fj
36 Base36 24cu9r

Cryptographic Hash Functions

md5 e2f711e9e3e0889f07f21444292f664f
sha1 5c746ebe093cc4adf900b390456cda6dd6d5c84d
sha256 64ecff073660d661aca678c5bf1ec9b0f88bfbca029ffb9f2df30e7c09a2e38f
sha512 531e5173193da3176d4c8be2be904ef4c083c3f8777633695d6edafb3724164979b6056d417cf139f5cba2fa96fe9135773cc644856f724271efe87ae6c35f11
ripemd-160 160c40650012a820388fd113dccfeadebe267bbd

128249919 as geometric shapes

Circle

Radius = n
Diameter 256499838
Circumference 805818006.70777
Area 5.1673047044507E+16

Sphere

Radius = n
Volume 8.8360854639215E+24
Surface area 2.0669218817803E+17
Circumference 805818006.70777

Square

Length = n
Perimeter 512999676
Area 16448041723506561
Diagonal 181372774.82305

Cube

Length = n
Surface area 98688250341039366
Volume 2.1094600187483E+24
Space diagonal 222135375.77459

Equilateral Triangle

Length = n
Perimeter 384749757
Area 7.1222109875315E+15
Altitude 111067687.8873

Triangular Pyramid

Length = n
Surface area 7.1222109875315E+15
Volume 2.4860224731648E+23
Height 60457591.607684