128213910 (number)

128213910 is an even 9-digits composite number following 128213909 and preceding 128213911. In scientific notation, it is written as 1.28213910 × 10^8. The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors. There are 31081920 positive integers (up to 128213910) that are relatively prime to 128213910.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million two hundred thirteen thousand nine hundred ten

Notation

Scientific notation 1.28213910 × 10^8
Engineering notation 1.28213910 × 10^6

Prime Factorization of 128213910

Prime Factorization 2 × 15 × 3 × 11 × 129509

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 128213910
Product of the distinct prime numbers

The prime factorization of 128213910 is 2 × 15 × 3 × 11 × 129509. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128213910)

Multiplication

n×y
n×2 256427820
n×3 384641730
n×4 512855640
n×5 641069550

Division

n÷y
n÷2 64106955
n÷3 42737970
n÷3 32053477.5
n÷5 25642782

Exponentiation

ny
n2 16438806717488100
n3 2.1076836849834E+24
n4 2.7023436629493E+32
n5 3.4647804719045E+40

Nth Root

y√n
2√n 11323.158128367
3√n 504.24900299823
4√n 106.41032904924
5√n 41.839552315413

Divisors of 128213910

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128213909
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128213910 can be divided by 32 positive divisors. The sum of these divisors (counting 128213910) is 1, the average is 0.03125.

Base conversion 128213910

Base System Value
2 Binary 111101001000110001110010110
3 Ternary 22221020221102100
4 Quaternary 13221012032112
5 Quinary 230310321120
6 Senary 20420022530
8 Octal 751061626
10 Decimal 128213910
12 Duodecimal 36b31a46
16 Hexadecimal 7a46396
20 Vigesimal 2016efa
36 Base36 24c2hi

Cryptographic Hash Functions

md5 59ac8c2270843123520809136e8e03fd
sha1 fc56c8f2b9c34de885016bba154276d3fdd2960d
sha256 febc741cb265a2a7803a5020deada66de2d5c9daa322dbc6f75817efda04d12d
sha512 5de01ff9d025698ef25988098f499fcea980544e19c222813ade26b8640ac23644ef022063962702a8f9464f6a1f10b8d0666034907956b4f5c9dc54e7bea563
ripemd-160 e61bc1b96f14d83d2a126bf5dbbc9a5eee6f7d4b

128213910 as geometric shapes

Circle

Radius = n
Diameter 256427820
Circumference 805591755.48805
Area 5.1644034417443E+16

Sphere

Radius = n
Volume 8.8286447744466E+24
Surface area 2.0657613766977E+17
Circumference 805591755.48805

Square

Length = n
Perimeter 512855640
Area 16438806717488100
Diagonal 181321850.40688

Cube

Length = n
Surface area 98632840304928600
Volume 2.1076836849834E+24
Space diagonal 222073006.35706

Equilateral Triangle

Length = n
Perimeter 384641730
Area 7.1182121126235E+15
Altitude 111036503.17853

Triangular Pyramid

Length = n
Surface area 7.1182121126235E+15
Volume 2.4839290437467E+23
Height 60440616.802294