128545221 (number)

128545221 is an odd 9-digits composite number following 128545220 and preceding 128545222. In scientific notation, it is written as 1.28545221 × 10^8. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 73454400 positive integers (up to 128545221) that are relatively prime to 128545221.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28545221 × 10^8
Engineering notation 1.28545221 × 10^6

Prime Factorization of 128545221

Prime Factorization 3 × 7 × 6121201

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 128545221
Product of the distinct prime numbers

The prime factorization of 128545221 is 3 × 7 × 6121201. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128545221)

Multiplication

n×y
n×2 257090442
n×3 385635663
n×4 514180884
n×5 642726105

Division

n÷y
n÷2 64272610.5
n÷3 42848407
n÷3 32136305.25
n÷5 25709044.2

Exponentiation

ny
n2 16523873841938841
n3 2.1240650147881E+24
n4 2.7303840674431E+32
n5 3.5097782336435E+40

Nth Root

y√n
2√n 11337.778486106
3√n 504.68296409704
4√n 106.47900490757
5√n 41.861153088928

Divisors of 128545221

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 -128545220
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 128545221 can be divided by 8 positive divisors. The sum of these divisors (counting 128545221) is 1, the average is 0.125.

Base conversion 128545221

Base System Value
2 Binary 111101010010111000111000101
3 Ternary 22221212202220010
4 Quaternary 13222113013011
5 Quinary 230401421341
6 Senary 20431100433
8 Octal 752270705
10 Decimal 128545221
12 Duodecimal 37071719
16 Hexadecimal 7a971c5
20 Vigesimal 2038311
36 Base36 24j64l

Cryptographic Hash Functions

md5 494a56cb9282cc88309defe3737d3bda
sha1 84151c6a044fa446834709911f7d677cfe3b8e8d
sha256 86958cad6f74e3cacaa90f3262d9449e074643db0e3f7c728ede23a5a8b24e06
sha512 e8d53f4ffa878c9e4ea7061175f120395b6e2a8cb74f842a473dcff6260d9a2a79b635a4458eb8c68be8417828cceb58e74ae9149e41337ba74d43ffb9ec804a
ripemd-160 4effae49a745fea3803bf0fc587e320c59525f7a

128545221 as geometric shapes

Circle

Radius = n
Diameter 257090442
Circumference 807673443.89535
Area 5.191128067068E+16

Sphere

Radius = n
Volume 8.8972627282741E+24
Surface area 2.0764512268272E+17
Circumference 807673443.89535

Square

Length = n
Perimeter 514180884
Area 16523873841938841
Diagonal 181790394.91645

Cube

Length = n
Surface area 99143243051633046
Volume 2.1240650147881E+24
Space diagonal 222646853.84217

Equilateral Triangle

Length = n
Perimeter 385635663
Area 7.1550472580241E+15
Altitude 111323426.92108

Triangular Pyramid

Length = n
Surface area 7.1550472580241E+15
Volume 2.503234626063E+23
Height 60596798.305482