128243397 (number)

128243397 is an odd 9-digits composite number following 128243396 and preceding 128243398. In scientific notation, it is written as 1.28243397 × 10^8. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 85412000 positive integers (up to 128243397) that are relatively prime to 128243397.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million two hundred forty-three thousand three hundred ninety-seven

Notation

Scientific notation 1.28243397 × 10^8
Engineering notation 1.28243397 × 10^6

Prime Factorization of 128243397

Prime Factorization 3 × 1049 × 40751

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128243397
Product of the distinct prime numbers

The prime factorization of 128243397 is 3 × 1049 × 40751. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128243397)

Multiplication

n×y
n×2 256486794
n×3 384730191
n×4 512973588
n×5 641216985

Division

n÷y
n÷2 64121698.5
n÷3 42747799
n÷3 32060849.25
n÷5 25648679.4

Exponentiation

ny
n2 16446368874099609
n3 2.1091382127296E+24
n4 2.7048304914295E+32
n5 3.468766505301E+40

Nth Root

y√n
2√n 11324.460119582
3√n 504.28765624222
4√n 106.41644665925
5√n 41.841476614268

Divisors of 128243397

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128243396
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128243397 can be divided by 8 positive divisors. The sum of these divisors (counting 128243397) is 1, the average is 0.125.

Base conversion 128243397

Base System Value
2 Binary 111101001001101011011000101
3 Ternary 22221022102212110
4 Quaternary 13221031123011
5 Quinary 230312242042
6 Senary 20420411233
8 Octal 751153305
10 Decimal 128243397
12 Duodecimal 36b46b19
16 Hexadecimal 7a4d6c5
20 Vigesimal 201a89h
36 Base36 24cp8l

Cryptographic Hash Functions

md5 e612770fff1398f05e754270a0588b8a
sha1 ff3b5accd83afebfadf4d0e20bb255e6bac289c4
sha256 f7cc126872b8ec51d5a2917932652fca9658ad3451553ec3cb33d7579534c725
sha512 05e3476c3d1d097b06815c96a17a6178fdd729d58019d3c94c8905aaf9c6a145efff260b792cb8f39cc6ef5b24d24be45d5dbe9bd9900033f009e0ee243869fa
ripemd-160 d7a3b95023c8f53cb70e7291f281aec59593e495

128243397 as geometric shapes

Circle

Radius = n
Diameter 256486794
Circumference 805777027.7732
Area 5.1667791633099E+16

Sphere

Radius = n
Volume 8.8347374860224E+24
Surface area 2.066711665324E+17
Circumference 805777027.7732

Square

Length = n
Perimeter 512973588
Area 16446368874099609
Diagonal 181363551.3222

Cube

Length = n
Surface area 98678213244597654
Volume 2.1091382127296E+24
Space diagonal 222124079.33923

Equilateral Triangle

Length = n
Perimeter 384730191
Area 7.12148662249E+15
Altitude 111062039.66961

Triangular Pyramid

Length = n
Surface area 7.12148662249E+15
Volume 2.4856432211346E+23
Height 60454517.107399