128894249 (number)

128894249 is an odd 9-digits composite number following 128894248 and preceding 128894250. In scientific notation, it is written as 1.28894249 × 10^8. The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors. There are 112746000 positive integers (up to 128894249) that are relatively prime to 128894249.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million eight hundred ninety-four thousand two hundred forty-nine

Notation

Scientific notation 1.28894249 × 10^8
Engineering notation 1.28894249 × 10^6

Prime Factorization of 128894249

Prime Factorization 31 × 11 × 191 × 1979

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 128894249
Product of the distinct prime numbers

The prime factorization of 128894249 is 31 × 11 × 191 × 1979. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128894249)

Multiplication

n×y
n×2 257788498
n×3 386682747
n×4 515576996
n×5 644471245

Division

n÷y
n÷2 64447124.5
n÷3 42964749.666667
n÷3 32223562.25
n÷5 25778849.8

Exponentiation

ny
n2 16613727425274001
n3 2.1414139195714E+24
n4 2.760159389613E+32
n5 3.5576867164447E+40

Nth Root

y√n
2√n 11353.160308918
3√n 505.1393256722
4√n 106.55120979566
5√n 41.883860851587

Divisors of 128894249

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128894248
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128894249 can be divided by 16 positive divisors. The sum of these divisors (counting 128894249) is 1, the average is 0.0625.

Base conversion 128894249

Base System Value
2 Binary 111101011101100010100101001
3 Ternary 22222112111200002
4 Quaternary 13223230110221
5 Quinary 230444103444
6 Senary 20442352345
8 Octal 753542451
10 Decimal 128894249
12 Duodecimal 371bb6b5
16 Hexadecimal 7aec529
20 Vigesimal 205bfc9
36 Base36 24qnft

Cryptographic Hash Functions

md5 add1a9a66cf679c99ece088741985926
sha1 86cc5ee131e2f17ea78c1c5adbae52cd1d0042cf
sha256 cdf3a33891adff2cf6267922cb7200c9da7c41a65b3cdbd3c102c3b39df8dc08
sha512 8180b32e388f763414f780cf9c1f6608d1df5102011cccf9284513093a31e9ecb3b84c206b1a0d01de7b50c10083f4b6470c16b4f56d9126b69510c9d8675fda
ripemd-160 135614f895dfee7dedd072848f6f77d76eb9eab4

128894249 as geometric shapes

Circle

Radius = n
Diameter 257788498
Circumference 809866451.49675
Area 5.2193564027984E+16

Sphere

Radius = n
Volume 8.9699336506939E+24
Surface area 2.0877425611194E+17
Circumference 809866451.49675

Square

Length = n
Perimeter 515576996
Area 16613727425274001
Diagonal 182283995.04769

Cube

Length = n
Surface area 99682364551644006
Volume 2.1414139195714E+24
Space diagonal 223251388.07143

Equilateral Triangle

Length = n
Perimeter 386682747
Area 7.1939550009188E+15
Altitude 111625694.03572

Triangular Pyramid

Length = n
Surface area 7.1939550009188E+15
Volume 2.523680506427E+23
Height 60761331.682565