128889457 (number)

128889457 is an odd 9-digits composite number following 128889456 and preceding 128889458. In scientific notation, it is written as 1.28889457 × 10^8. The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors. There are 127123776 positive integers (up to 128889457) that are relatively prime to 128889457.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million eight hundred eighty-nine thousand four hundred fifty-seven

Notation

Scientific notation 1.28889457 × 10^8
Engineering notation 1.28889457 × 10^6

Prime Factorization of 128889457

Prime Factorization 73 × 1765609

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128889457
Product of the distinct prime numbers

The prime factorization of 128889457 is 73 × 1765609. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 5, 51, 95, 490, 977, 3078, 4271, 42836, 50401, 692099, 270320, 3534010, 1321722, 34620066, 26377891, 165685754, 628761611, 7317021739, 4712751848

Basic calculations (n = 128889457)

Multiplication

n×y
n×2 257778914
n×3 386668371
n×4 515557828
n×5 644447285

Division

n÷y
n÷2 64444728.5
n÷3 42963152.333333
n÷3 32222364.25
n÷5 25777891.4

Exponentiation

ny
n2 16612492125754849
n3 2.1411750895053E+24
n4 2.7597489462827E+32
n5 3.557025431427E+40

Nth Root

y√n
2√n 11352.949264398
3√n 505.13306561103
4√n 106.55021944791
5√n 41.883549417294

Divisors of 128889457

1, 73, 1765609, 128889457

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 -128889456
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 128889457 can be divided by 4 positive divisors. The sum of these divisors (counting 128889457) is 1, the average is 0.25.

Base conversion 128889457

Base System Value
2 Binary 111101011101011001001110001
3 Ternary 22222112021002121
4 Quaternary 13223223021301
5 Quinary 230443430312
6 Senary 20442314241
8 Octal 753531161
10 Decimal 128889457
12 Duodecimal 371b8981
16 Hexadecimal 7aeb271
20 Vigesimal 205b3ch
36 Base36 24qjqp

Cryptographic Hash Functions

md5 405b1a97e1356e69ba7161eff151a68b
sha1 05718498f0e462b5ae39c6ca38bd9fdfa505689b
sha256 1567746aa5ef5ea4f86e7ef19df022f928458aa53c0bb7b1c788a71c972eef94
sha512 5b741dabebd8924e61fc86d1c7b7430b53217183c700b57b4985c1998f7950753af7cb9fd8c2e328e223c9094010f94bc0c1ec2bb8aa1df98819c61d54c50cbe
ripemd-160 f045f5bd016628c7f955c3a4cf078020ede7f030

128889457 as geometric shapes

Circle

Radius = n
Diameter 257778914
Circumference 809836342.47276
Area 5.218968322009E+16

Sphere

Radius = n
Volume 8.9689332416525E+24
Surface area 2.0875873288036E+17
Circumference 809836342.47276

Square

Length = n
Perimeter 515557828
Area 16612492125754849
Diagonal 182277218.1363

Cube

Length = n
Surface area 99674952754529094
Volume 2.1411750895053E+24
Space diagonal 223243088.08396

Equilateral Triangle

Length = n
Perimeter 386668371
Area 7.1934201005363E+15
Altitude 111621544.04198

Triangular Pyramid

Length = n
Surface area 7.1934201005363E+15
Volume 2.5233990424949E+23
Height 60759072.712101