128021242 (number)

128021242 is an even 9-digits composite number following 128021241 and preceding 128021243. In scientific notation, it is written as 1.28021242 × 10^8. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 63966144 positive integers (up to 128021242) that are relatively prime to 128021242.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million twenty-one thousand two hundred forty-two

Notation

Scientific notation 1.28021242 × 10^8
Engineering notation 1.28021242 × 10^6

Prime Factorization of 128021242

Prime Factorization 2 × 1489 × 42989

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128021242
Product of the distinct prime numbers

The prime factorization of 128021242 is 2 × 1489 × 42989. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 2, 57, 21, 457, 25, 7624, 4925, 7601, 23666, 185246, 889833, 7548444, 8493595, 14520317, 27158712, 298514662, 738287452, 9125496338, 9836562014

Basic calculations (n = 128021242)

Multiplication

n×y
n×2 256042484
n×3 384063726
n×4 512084968
n×5 640106210

Division

n÷y
n÷2 64010621
n÷3 42673747.333333
n÷3 32005310.5
n÷5 25604248.4

Exponentiation

ny
n2 16389438403222564
n3 2.098196260063E+24
n4 2.6861369117303E+32
n5 3.4388258362175E+40

Nth Root

y√n
2√n 11314.64723268
3√n 503.99629679399
4√n 106.37033060342
5√n 41.82697022872

Divisors of 128021242

1, 2, 1489, 2978, 42989, 85978, 64010621, 128021242

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 -128021241
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 128021242 can be divided by 8 positive divisors. The sum of these divisors (counting 128021242) is 1, the average is 0.125.

Base conversion 128021242

Base System Value
2 Binary 111101000010111001011111010
3 Ternary 22220220011010111
4 Quaternary 13220113023322
5 Quinary 230233134432
6 Senary 20411534534
8 Octal 750271372
10 Decimal 128021242
12 Duodecimal 36a5a44a
16 Hexadecimal 7a172fa
20 Vigesimal 2002d22
36 Base36 247xtm

Cryptographic Hash Functions

md5 f44c87a88f357f91bc0aa17763d13bc3
sha1 72ae4c5d117000096497d09de160eebf94d7e666
sha256 61820ab83a4aa57e9c88220360f6cc72757efff6c8fbcbe2b6ed1485f78f1d3a
sha512 6b6b6c2ea3891e7f5f6f02756096548369e41daf58a2ee5520e124d5f907362a32e05ee1139b00b1d6d0f3f2bdfff253ae8eb76cdc34d7104cdb2205603d9fca
ripemd-160 8146412fc2e7883378437ed0509936641530d988

128021242 as geometric shapes

Circle

Radius = n
Diameter 256042484
Circumference 804381186.74128
Area 5.1488939284026E+16

Sphere

Radius = n
Volume 8.7889039418715E+24
Surface area 2.0595575713611E+17
Circumference 804381186.74128

Square

Length = n
Perimeter 512084968
Area 16389438403222564
Diagonal 181049376.70825

Cube

Length = n
Surface area 98336630419335384
Volume 2.098196260063E+24
Space diagonal 221739295.59207

Equilateral Triangle

Length = n
Perimeter 384063726
Area 7.0968350054755E+15
Altitude 110869647.79604

Triangular Pyramid

Length = n
Surface area 7.0968350054755E+15
Volume 2.4727480062514E+23
Height 60349792.236083