128438823 (number)

128438823 is an odd 9-digits composite number following 128438822 and preceding 128438824. In scientific notation, it is written as 1.28438823 × 10^8. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 85625880 positive integers (up to 128438823) that are relatively prime to 128438823.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million four hundred thirty-eight thousand eight hundred twenty-three

Notation

Scientific notation 1.28438823 × 10^8
Engineering notation 1.28438823 × 10^6

Prime Factorization of 128438823

Prime Factorization 3 × 42812941

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128438823
Product of the distinct prime numbers

The prime factorization of 128438823 is 3 × 42812941. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 10, 52, 88, 271, 651, 4495, 5476, 33719, 84179, 223156, 657053, 5241342, 5563001, 20880031, 24661795, 148838216, 646811540, 4008003428, 1307674556

Basic calculations (n = 128438823)

Multiplication

n×y
n×2 256877646
n×3 385316469
n×4 513755292
n×5 642194115

Division

n÷y
n÷2 64219411.5
n÷3 42812941
n÷3 32109705.75
n÷5 25687764.6

Exponentiation

ny
n2 16496531253625329
n3 2.1187950577984E+24
n4 2.7213554340184E+32
n5 3.4952768890997E+40

Nth Root

y√n
2√n 11333.085325718
3√n 504.54368216538
4√n 106.45696466515
5√n 41.85422102519

Divisors of 128438823

1, 3, 42812941, 128438823

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 -128438822
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 128438823 can be divided by 4 positive divisors. The sum of these divisors (counting 128438823) is 1, the average is 0.25.

Base conversion 128438823

Base System Value
2 Binary 111101001111101001000100111
3 Ternary 22221200100221110
4 Quaternary 13221331020213
5 Quinary 230340020243
6 Senary 20424520103
8 Octal 751751047
10 Decimal 128438823
12 Duodecimal 37020033
16 Hexadecimal 7a7d227
20 Vigesimal 202eh13
36 Base36 24gw13

Cryptographic Hash Functions

md5 88a98086b8c82cd108a1c27c06eaceaa
sha1 aa850761259431796a6b8747f58fc8b7a5dccce3
sha256 970387715b745d7be68c58c3bc0dc21b995e0fde459323d5330652bb4c5b2484
sha512 f452b0cb7621f8148d5b51e4a72216a4cc8f659e3aa7c75926be7d648af0c376c101cf4f2b205798865157ab46426a55091d9933978b20740541473e464b29ad
ripemd-160 8c18a4c783dd2ff3e4347470dfba6f731c179ab4

128438823 as geometric shapes

Circle

Radius = n
Diameter 256877646
Circumference 807004925.54504
Area 5.1825381396104E+16

Sphere

Radius = n
Volume 8.8751879840555E+24
Surface area 2.0730152558442E+17
Circumference 807004925.54504

Square

Length = n
Perimeter 513755292
Area 16496531253625329
Diagonal 181639925.42184

Cube

Length = n
Surface area 98979187521751974
Volume 2.1187950577984E+24
Space diagonal 222462567.10035

Equilateral Triangle

Length = n
Perimeter 385316469
Area 7.1432075699817E+15
Altitude 111231283.55017

Triangular Pyramid

Length = n
Surface area 7.1432075699817E+15
Volume 2.4970239221896E+23
Height 60546641.807279