128250820 (number)

128250820 is an even 9-digits composite number following 128250819 and preceding 128250821. In scientific notation, it is written as 1.28250820 × 10^8. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 51300320 positive integers (up to 128250820) that are relatively prime to 128250820.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28250820 × 10^8
Engineering notation 1.28250820 × 10^6

Prime Factorization of 128250820

Prime Factorization 2 × 2 × 5 × 6412541

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 64125410
Product of the distinct prime numbers

The prime factorization of 128250820 is 2 × 2 × 5 × 6412541. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 9, 51, 79, 665, 534, 1250, 413, 90507, 89985, 59677, 887323, 412193, 8159825, 475475, 13202312, 454853693, 610337554, 4638775513, 9251697498

Basic calculations (n = 128250820)

Multiplication

n×y
n×2 256501640
n×3 384752460
n×4 513003280
n×5 641254100

Division

n÷y
n÷2 64125410
n÷3 42750273.333333
n÷3 32062705
n÷5 25650164

Exponentiation

ny
n2 16448272830672400
n3 2.1095044781175E+24
n4 2.7054567911224E+32
n5 3.4697705193601E+40

Nth Root

y√n
2√n 11324.787856733
3√n 504.29738580111
4√n 106.41798652828
5√n 41.841960977747

Divisors of 128250820

1, 2, 4, 5, 10, 20, 6412541, 12825082, 25650164, 32062705, 64125410, 128250820

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128250819
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128250820 can be divided by 12 positive divisors. The sum of these divisors (counting 128250820) is 1, the average is 0.083333333333333.

Base conversion 128250820

Base System Value
2 Binary 111101001001111001111000100
3 Ternary 22221022211001101
4 Quaternary 13221033033010
5 Quinary 230313011240
6 Senary 20420505444
8 Octal 751171704
10 Decimal 128250820
12 Duodecimal 36b4b284
16 Hexadecimal 7a4f3c4
20 Vigesimal 201b710
36 Base36 24cuys

Cryptographic Hash Functions

md5 65303bd9f84fa250b816510244c4beb2
sha1 c018638931004b1fb2e0c9a123da41b8646ffef1
sha256 d384b89a555cb1008a110945fc02a599b6c45ea9cab34180d8e9eb55e663e2c5
sha512 1fc641c6eccf93c127278df4ed271f7f31b6de2e7845fc22a7b0bcaabd4b2f9f882d64cd707c312b5a3367951505cd45f2cc9335dd5f715d777d7cf25453cd6a
ripemd-160 8c9c15ad575746938cff0621dfa7cb2e7ae3a6e5

128250820 as geometric shapes

Circle

Radius = n
Diameter 256501640
Circumference 805823667.85773
Area 5.1673773089081E+16

Sphere

Radius = n
Volume 8.8362716948914E+24
Surface area 2.0669509235632E+17
Circumference 805823667.85773

Square

Length = n
Perimeter 513003280
Area 16448272830672400
Diagonal 181374049.02947

Cube

Length = n
Surface area 98689636984034400
Volume 2.1095044781175E+24
Space diagonal 222136936.35237

Equilateral Triangle

Length = n
Perimeter 384752460
Area 7.1223110598698E+15
Altitude 111068468.17619

Triangular Pyramid

Length = n
Surface area 7.1223110598698E+15
Volume 2.4860748690337E+23
Height 60458016.343157