128125894 (number)

128125894 is an even 9-digits composite number following 128125893 and preceding 128125895. In scientific notation, it is written as 1.28125894 × 10^8. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 57536352 positive integers (up to 128125894) that are relatively prime to 128125894.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million one hundred twenty-five thousand eight hundred ninety-four

Notation

Scientific notation 1.28125894 × 10^8
Engineering notation 1.28125894 × 10^6

Prime Factorization of 128125894

Prime Factorization 2 × 13 × 37 × 133187

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128125894
Product of the distinct prime numbers

The prime factorization of 128125894 is 2 × 13 × 37 × 133187. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 2, 14, 79, 740, 514, 9383, 3154, 45973, 91316, 898823, 67813, 3593215, 976920, 63863444, 7607017, 380545336, 314647073, 3410863853, 2123091021

Basic calculations (n = 128125894)

Multiplication

n×y
n×2 256251788
n×3 384377682
n×4 512503576
n×5 640629470

Division

n÷y
n÷2 64062947
n÷3 42708631.333333
n÷3 32031473.5
n÷5 25625178.8

Exponentiation

ny
n2 16416244713299236
n3 2.1033460300142E+24
n4 2.6949309048693E+32
n5 3.452904314546E+40

Nth Root

y√n
2√n 11319.270912917
3√n 504.13359134003
4√n 106.39206226461
5√n 41.833806352828

Divisors of 128125894

1, 2, 13, 26, 37, 74, 481, 962, 133187, 266374, 1731431, 3462862, 4927919, 9855838, 64062947, 128125894

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 -128125893
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 128125894 can be divided by 16 positive divisors. The sum of these divisors (counting 128125894) is 1, the average is 0.0625.

Base conversion 128125894

Base System Value
2 Binary 111101000110000101111000110
3 Ternary 22221002110200111
4 Quaternary 13220300233012
5 Quinary 230300012034
6 Senary 20414103234
8 Octal 750605706
10 Decimal 128125894
12 Duodecimal 36aaab1a
16 Hexadecimal 7a30bc6
20 Vigesimal 200feee
36 Base36 24a6km

Cryptographic Hash Functions

md5 6dbac85162eb6f4cabd0082daaf17133
sha1 22e0fa25b24610cf3bc9e104e8ca166c6faa73b5
sha256 ef4ecfaa5d56d4bb48abde78d912ae75315f7b28753697c1b84c653e5bfc37c0
sha512 160b5a6325b3f6186baeb4f23d00d87700f94ddefd0329e32e36ca2c35bb8ec4566ba323e2e13a90bc5ba57830ef26fa502848f600ab604c1dbb8d0b2e8308e1
ripemd-160 1eccba52cd4b10cce4e9f57ac5e47f80204dfd3e

128125894 as geometric shapes

Circle

Radius = n
Diameter 256251788
Circumference 805038734.65005
Area 5.1573153790833E+16

Sphere

Radius = n
Volume 8.8104752478E+24
Surface area 2.0629261516333E+17
Circumference 805038734.65005

Square

Length = n
Perimeter 512503576
Area 16416244713299236
Diagonal 181197376.98598

Cube

Length = n
Surface area 98497468279795416
Volume 2.1033460300142E+24
Space diagonal 221920558.17318

Equilateral Triangle

Length = n
Perimeter 384377682
Area 7.1084424782296E+15
Altitude 110960279.08659

Triangular Pyramid

Length = n
Surface area 7.1084424782296E+15
Volume 2.4788170683415E+23
Height 60399125.661993