128889242 (number)

128889242 is an even 9-digits composite number following 128889241 and preceding 128889243. In scientific notation, it is written as 1.28889242 × 10^8. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 64444620 positive integers (up to 128889242) that are relatively prime to 128889242.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28889242 × 10^8
Engineering notation 1.28889242 × 10^6

Prime Factorization of 128889242

Prime Factorization 2 × 64444621

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128889242
Product of the distinct prime numbers

The prime factorization of 128889242 is 2 × 64444621. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 10, 77, 95, 779, 935, 6619, 8232, 83402, 38955, 169107, 892971, 1985515, 371511, 1520908, 44768064, 502640451, 313691124, 9845967178, 3253397477

Basic calculations (n = 128889242)

Multiplication

n×y
n×2 257778484
n×3 386667726
n×4 515556968
n×5 644446210

Division

n÷y
n÷2 64444621
n÷3 42963080.666667
n÷3 32222310.5
n÷5 25777848.4

Exponentiation

ny
n2 16612436703334564
n3 2.1411643744658E+24
n4 2.759730532223E+32
n5 3.5569957642248E+40

Nth Root

y√n
2√n 11352.939795489
3√n 505.13278474071
4√n 106.55017501388
5√n 41.883535444128

Divisors of 128889242

1, 2, 64444621, 128889242

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 -128889241
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 128889242 can be divided by 4 positive divisors. The sum of these divisors (counting 128889242) is 1, the average is 0.25.

Base conversion 128889242

Base System Value
2 Binary 111101011101011000110011010
3 Ternary 22222112020210122
4 Quaternary 13223223012122
5 Quinary 230443423432
6 Senary 20442313242
8 Octal 753530632
10 Decimal 128889242
12 Duodecimal 371b8822
16 Hexadecimal 7aeb19a
20 Vigesimal 205b322
36 Base36 24qjkq

Cryptographic Hash Functions

md5 6b06981a0f14bccb6d35c6d827515b0e
sha1 dabd65d4f20e1e301873e01cf3f1910c6ebddefb
sha256 7475395bd4beae0128a705c6da33a32e645a2ac72c0bdab0c8a2832b8649ecac
sha512 5d1fb2dd068b383bb8856cb1c2a54d63abe34c5d112ab7294ebcdd82c1b398ca38471c5ce90731f5fd1a5b597fddfd024106aba2f4b91072e6b72bf8ce442e02
ripemd-160 e53ad8ccb7a11abac6f469124d267e2de2610ff2

128889242 as geometric shapes

Circle

Radius = n
Diameter 257778484
Circumference 809834991.58791
Area 5.2189509105421E+16

Sphere

Radius = n
Volume 8.9688883585998E+24
Surface area 2.0875803642169E+17
Circumference 809834991.58791

Square

Length = n
Perimeter 515556968
Area 16612436703334564
Diagonal 182276914.08039

Cube

Length = n
Surface area 99674620220007384
Volume 2.1411643744658E+24
Space diagonal 223242715.69304

Equilateral Triangle

Length = n
Perimeter 386667726
Area 7.1933961019244E+15
Altitude 111621357.84652

Triangular Pyramid

Length = n
Surface area 7.1933961019244E+15
Volume 2.5233864146997E+23
Height 60758971.360129