128021240 (number)

128021240 is an even 9-digits composite number following 128021239 and preceding 128021241. In scientific notation, it is written as 1.28021240 × 10^8. The sum of its digits is 20. It has a total of 5 prime factors and 16 positive divisors. There are 48513024 positive integers (up to 128021240) that are relatively prime to 128021240.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28021240 × 10^8
Engineering notation 1.28021240 × 10^6

Prime Factorization of 128021240

Prime Factorization 2 × 2 × 2 × 95 × 168449

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 32005310
Product of the distinct prime numbers

The prime factorization of 128021240 is 2 × 2 × 2 × 95 × 168449. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 2, 22, 89, 124, 714, 8116, 2866, 98340, 82676, 369410, 90472, 6448390, 898130, 1323716, 83555701, 744010812, 79097648, 311687774, 7750996295

Basic calculations (n = 128021240)

Multiplication

n×y
n×2 256042480
n×3 384063720
n×4 512084960
n×5 640106200

Division

n÷y
n÷2 64010620
n÷3 42673746.666667
n÷3 32005310
n÷5 25604248

Exponentiation

ny
n2 16389437891137600
n3 2.0981961617264E+24
n4 2.6861367438746E+32
n5 3.4388255676038E+40

Nth Root

y√n
2√n 11314.647144299
3√n 503.99629416944
4√n 106.37033018798
5√n 41.826970098032

Divisors of 128021240

1, 2, 4, 8, 95, 190, 380, 760, 168449, 336898, 673796, 1347592, 16002655, 32005310, 64010620, 128021240

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 -128021239
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 128021240 can be divided by 16 positive divisors. The sum of these divisors (counting 128021240) is 1, the average is 0.0625.

Base conversion 128021240

Base System Value
2 Binary 111101000010111001011111000
3 Ternary 22220220011010102
4 Quaternary 13220113023320
5 Quinary 230233134430
6 Senary 20411534532
8 Octal 750271370
10 Decimal 128021240
12 Duodecimal 36a5a448
16 Hexadecimal 7a172f8
20 Vigesimal 2002d20
36 Base36 247xtk

Cryptographic Hash Functions

md5 b91254562348585cbb41ecc9155d4e43
sha1 e67e3a1c7d9c29aae24d0dfd04add7f0fd21e0af
sha256 d5dd13dd55cc897aa4f3e23efcbf967cbea6a090c6d7fd12b466b19bd8f6585c
sha512 c53c23a11336cab5e5449549adca29e7e2aecadfb954bb69cf17c9e1a04b3b9967b075e4354efd32fc08596cb3ba2268b320eececf3698da50e020594876ad41
ripemd-160 5a54e06236c711c70b60012a4e961cb905e9e933

128021240 as geometric shapes

Circle

Radius = n
Diameter 256042480
Circumference 804381174.17491
Area 5.1488937675264E+16

Sphere

Radius = n
Volume 8.78890352996E+24
Surface area 2.0595575070106E+17
Circumference 804381174.17491

Square

Length = n
Perimeter 512084960
Area 16389437891137600
Diagonal 181049373.87982

Cube

Length = n
Surface area 98336627346825600
Volume 2.0981961617264E+24
Space diagonal 221739292.12797

Equilateral Triangle

Length = n
Perimeter 384063720
Area 7.0968347837362E+15
Altitude 110869646.06398

Triangular Pyramid

Length = n
Surface area 7.0968347837362E+15
Volume 2.4727478903606E+23
Height 60349791.293274