128400724 (number)

128400724 is an even 9-digits composite number following 128400723 and preceding 128400725. In scientific notation, it is written as 1.28400724 × 10^8. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 63912024 positive integers (up to 128400724) that are relatively prime to 128400724.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million four hundred thousand seven hundred twenty-four

Notation

Scientific notation 1.28400724 × 10^8
Engineering notation 1.28400724 × 10^6

Prime Factorization of 128400724

Prime Factorization 2 × 2 × 223 × 143947

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 64200362
Product of the distinct prime numbers

The prime factorization of 128400724 is 2 × 2 × 223 × 143947. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 1, 83, 46, 732, 669, 9516, 256, 61379, 93010, 321466, 477714, 6008727, 3221758, 36494906, 60665218, 796347662, 590168778, 8219081386, 1277692957

Basic calculations (n = 128400724)

Multiplication

n×y
n×2 256801448
n×3 385202172
n×4 513602896
n×5 642003620

Division

n÷y
n÷2 64200362
n÷3 42800241.333333
n÷3 32100181
n÷5 25680144.8

Exponentiation

ny
n2 16486745923724176
n3 2.1169101130102E+24
n4 2.7181279115344E+32
n5 3.4900959176562E+40

Nth Root

y√n
2√n 11331.404326031
3√n 504.493789383
4√n 106.4490691647
5√n 41.851737674491

Divisors of 128400724

1, 2, 4, 223, 446, 892, 143947, 287894, 575788, 32100181, 64200362, 128400724

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128400723
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128400724 can be divided by 12 positive divisors. The sum of these divisors (counting 128400724) is 1, the average is 0.083333333333333.

Base conversion 128400724

Base System Value
2 Binary 111101001110011110101010100
3 Ternary 22221121102200101
4 Quaternary 13221303311110
5 Quinary 230332310344
6 Senary 20424023444
8 Octal 751636524
10 Decimal 128400724
12 Duodecimal 37001b84
16 Hexadecimal 7a73d54
20 Vigesimal 202a1g4
36 Base36 24g2ms

Cryptographic Hash Functions

md5 2573f33f75bcb79e8e69b0e03e070443
sha1 78fccb99f3cab0ae17a7cdd003f7c8768c191c28
sha256 16098c58a6db43b96b751049c6c9095fa9cb9eb94314820a906b50d60b36beea
sha512 1591d77ff127206d2cea1e822c59864cc95a77d4a460a312c4240fb718c973cd4fb747eab542f55e63d4da77e427517f1ca4662b35299a8e3394fa10241d66fe
ripemd-160 f23c33a0a6018d86759fc1f740dd5912f816e345

128400724 as geometric shapes

Circle

Radius = n
Diameter 256801448
Circumference 806765542.46802
Area 5.1794639875573E+16

Sphere

Radius = n
Volume 8.8672923457905E+24
Surface area 2.0717855950229E+17
Circumference 806765542.46802

Square

Length = n
Perimeter 513602896
Area 16486745923724176
Diagonal 181586045.29932

Cube

Length = n
Surface area 98920475542345056
Volume 2.1169101130102E+24
Space diagonal 222396577.69663

Equilateral Triangle

Length = n
Perimeter 385202172
Area 7.1389703978423E+15
Altitude 111198288.84831

Triangular Pyramid

Length = n
Surface area 7.1389703978423E+15
Volume 2.4948024934532E+23
Height 60528681.766442