128940 (number)

128940 is an even 6-digits composite number following 128939 and preceding 128941. In scientific notation, it is written as 1.28940 × 10^5. The sum of its digits is 24. It has a total of 6 prime factors and 48 positive divisors. There are 29376 positive integers (up to 128940) that are relatively prime to 128940.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight thousand nine hundred forty

Notation

Scientific notation 1.28940 × 10^5
Engineering notation 1.28940 × 10^3

Prime Factorization of 128940

Prime Factorization 2 × 2 × 3 × 7 × 5 × 307

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 64470
Product of the distinct prime numbers

The prime factorization of 128940 is 2 × 2 × 3 × 7 × 5 × 307. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 3, 82, 41, 86, 810, 1943, 4188, 16021, 22049, 816636, 838183, 8464120, 3244713, 21984601, 34545494, 411557446, 112431893, 4517210104, 2068188918

Basic calculations (n = 128940)

Multiplication

n×y
n×2 257880
n×3 386820
n×4 515760
n×5 644700

Division

n÷y
n÷2 64470
n÷3 42980
n÷3 32235
n÷5 25788

Exponentiation

ny
n2 16625523600
n3 2143695012984000
n4 2.7640803497416E+20
n5 3.5640052029568E+25

Nth Root

y√n
2√n 359.08216329971
3√n 50.519908498558
4√n 18.949463404005
5√n 10.521496939048

Divisors of 128940

1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 307, 420, 614, 921, 1228, 1535, 1842, 2149, 3070, 3684, 4298, 4605, 6140, 6447, 8596, 9210, 10745, 12894, 18420, 21490, 25788, 32235, 42980, 64470, 128940

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128940 can be divided by 48 positive divisors. The sum of these divisors (counting 128940) is 1, the average is 0.020833333333333.

Base conversion 128940

Base System Value
2 Binary 11111011110101100
3 Ternary 20112212120
4 Quaternary 133132230
5 Quinary 13111230
6 Senary 2432540
8 Octal 373654
10 Decimal 128940
12 Duodecimal 62750
16 Hexadecimal 1f7ac
20 Vigesimal g270
36 Base36 2rho

Cryptographic Hash Functions

md5 2973e61dbeaa5ae61f37b14cf3992682
sha1 1e64e17bfe34ea9e4c55f5d72e83a22b0f7fc274
sha256 672cb4c076b1927ae0ec78ecdf6d21f173e3b417554174e749ec371d4e733755
sha512 bbb9ce3892af382953d91d8edb033a6af739d1ff5a85587396a98cd9ec3e54060308036e77bbb9651450852b6c55b55e6ae54bf119d9a081812eb486398435a2
ripemd-160 ae5d538329297093aedbdeb7f66e30a5c6a9c944

128940 as geometric shapes

Circle

Radius = n
Diameter 257880
Circumference 810153.91350774
Area 52230622803.844

Sphere

Radius = n
Volume 8.9794886724368E+15
Surface area 208922491215.37
Circumference 810153.91350774

Square

Length = n
Perimeter 515760
Area 16625523600
Diagonal 182348.69673239

Cube

Length = n
Surface area 99753141600
Volume 2143695012984000
Space diagonal 223330.63112793

Equilateral Triangle

Length = n
Perimeter 386820
Area 7199062894.4089
Altitude 111665.31556397

Triangular Pyramid

Length = n
Surface area 7199062894.4089
Volume 2.5263688007946E+14
Height 60782.898910796