128488968 (number)

128488968 is an even 9-digits composite number following 128488967 and preceding 128488969. In scientific notation, it is written as 1.28488968 × 10^8. The sum of its digits is 54. It has a total of 7 prime factors and 48 positive divisors. There are 42403200 positive integers (up to 128488968) that are relatively prime to 128488968.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million four hundred eighty-eight thousand nine hundred sixty-eight

Notation

Scientific notation 1.28488968 × 10^8
Engineering notation 1.28488968 × 10^6

Prime Factorization of 128488968

Prime Factorization 2 × 2 × 2 × 3 × 3 × 101 × 17669

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 10707414
Product of the distinct prime numbers

The prime factorization of 128488968 is 2 × 2 × 2 × 3 × 3 × 101 × 17669. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128488968)

Multiplication

n×y
n×2 256977936
n×3 385466904
n×4 513955872
n×5 642444840

Division

n÷y
n÷2 64244484
n÷3 42829656
n÷3 32122242
n÷5 25697793.6

Exponentiation

ny
n2 16509414897705024
n3 2.1212776824899E+24
n4 2.7256078026456E+32
n5 3.5021053373469E+40

Nth Root

y√n
2√n 11335.29743765
3√n 504.60933482523
4√n 106.46735385859
5√n 41.857488654368

Divisors of 128488968

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128488967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128488968 can be divided by 48 positive divisors. The sum of these divisors (counting 128488968) is 1, the average is 0.020833333333333.

Base conversion 128488968

Base System Value
2 Binary 111101010001001011000001000
3 Ternary 22221202220201200
4 Quaternary 13222021120020
5 Quinary 230343121333
6 Senary 20425544200
8 Octal 752113010
10 Decimal 128488968
12 Duodecimal 37045060
16 Hexadecimal 7a89608
20 Vigesimal 2031288
36 Base36 24hyq0

Cryptographic Hash Functions

md5 f88f473aaaeae2dbdc1a8586828f5904
sha1 002c433d7bde761983ee5a90e184f33be7803b3f
sha256 c721f94809d06480c29743160564a8fbcea363f15754f84e193c8a49a279271d
sha512 fcbc576d421f1ec2c5eef0f7ae5b46ae86cac608cac81aee99b276d69470377a1f37d1452aa1310d6e343ab355b272892da76d72214a69c795527b3cb932bb9d
ripemd-160 56f6707a668b6ae7c97319da09b6d57bc920dbe0

128488968 as geometric shapes

Circle

Radius = n
Diameter 256977936
Circumference 807319995.87227
Area 5.1865856557696E+16

Sphere

Radius = n
Volume 8.8855871780459E+24
Surface area 2.0746342623078E+17
Circumference 807319995.87227

Square

Length = n
Perimeter 513955872
Area 16509414897705024
Diagonal 181710841.16092

Cube

Length = n
Surface area 99056489386230144
Volume 2.1212776824899E+24
Space diagonal 222549420.78809

Equilateral Triangle

Length = n
Perimeter 385466904
Area 7.1487863515149E+15
Altitude 111274710.39405

Triangular Pyramid

Length = n
Surface area 7.1487863515149E+15
Volume 2.4999497234472E+23
Height 60570280.386974