128250891 (number)

128250891 is an odd 9-digits composite number following 128250890 and preceding 128250892. In scientific notation, it is written as 1.28250891 × 10^8. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 84416904 positive integers (up to 128250891) that are relatively prime to 128250891.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million two hundred fifty thousand eight hundred ninety-one

Notation

Scientific notation 1.28250891 × 10^8
Engineering notation 1.28250891 × 10^6

Prime Factorization of 128250891

Prime Factorization 9 × 237 × 60127

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128250891
Product of the distinct prime numbers

The prime factorization of 128250891 is 9 × 237 × 60127. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 7, 10, 88, 219, 869, 1404, 1061, 22989, 71994, 194400, 798159, 7813825, 8921119, 54619097, 16181873, 653143606, 972223269, 36088010, 4236790767

Basic calculations (n = 128250891)

Multiplication

n×y
n×2 256501782
n×3 384752673
n×4 513003564
n×5 641254455

Division

n÷y
n÷2 64125445.5
n÷3 42750297
n÷3 32062722.75
n÷5 25650178.2

Exponentiation

ny
n2 16448291042293881
n3 2.1095079816015E+24
n4 2.7054627821201E+32
n5 3.4697801237424E+40

Nth Root

y√n
2√n 11324.790991449
3√n 504.29747886123
4√n 106.4180012566
5√n 41.841965610511

Divisors of 128250891

1, 9, 237, 2133, 60127, 541143, 14250099, 128250891

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 -128250890
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 128250891 can be divided by 8 positive divisors. The sum of these divisors (counting 128250891) is 1, the average is 0.125.

Base conversion 128250891

Base System Value
2 Binary 111101001001111010000001011
3 Ternary 22221022211011000
4 Quaternary 13221033100023
5 Quinary 230313012031
6 Senary 20420510043
8 Octal 751172013
10 Decimal 128250891
12 Duodecimal 36b4b323
16 Hexadecimal 7a4f40b
20 Vigesimal 201b74b
36 Base36 24cv0r

Cryptographic Hash Functions

md5 aa4517c4a3850f34d42f777f3c4bacb4
sha1 078ddbde6fcf5d70f977237d66ebba58e05a1186
sha256 431394e597c3eb69e18d160d5e46ec7e411d37075d746e016a3204bbbfb8cd4f
sha512 9f98577b19eea830aac1e134d1cfad18e34f658dfbb7e1d6cfce1b58f9b03a09b0e30b8da885b0f9766b533e64acd5d2561460ed490c6df74677f168983df67e
ripemd-160 e47ba744b9b7d3fe8d50235dc6e999fea5e50ad4

128250891 as geometric shapes

Circle

Radius = n
Diameter 256501782
Circumference 805824113.96389
Area 5.1673830302577E+16

Sphere

Radius = n
Volume 8.8362863702511E+24
Surface area 2.0669532121031E+17
Circumference 805824113.96389

Square

Length = n
Perimeter 513003564
Area 16448291042293881
Diagonal 181374149.43863

Cube

Length = n
Surface area 98689746253763286
Volume 2.1095079816015E+24
Space diagonal 222137059.32798

Equilateral Triangle

Length = n
Perimeter 384752673
Area 7.1223189457333E+15
Altitude 111068529.66399

Triangular Pyramid

Length = n
Surface area 7.1223189457333E+15
Volume 2.4860789979293E+23
Height 60458049.812878