Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

128420551 (number)

128420551 is an odd 9-digits composite number following 128420550 and preceding 128420552. In scientific notation, it is written as 1.28420551 × 10^8. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 110074752 positive integers (up to 128420551) that are relatively prime to 128420551.

Interesting facts

128420551 has 4 divisors, whose sum is 146766352
The reverse of 128420551 is 155024821
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1

Name

Name	one hundred twenty-eight million four hundred twenty thousand five hundred fifty-one

Notation

Scientific notation	1.28420551 × 10^8
Engineering notation	1.28420551 × 10^6

Prime Factorization of 128420551

Prime Factorization 7 × 18345793

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	128420551	Product of the distinct prime numbers

The prime factorization of 128420551 is 7 × 18345793. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 1, 69, 53, 663, 224, 7949, 7815, 15867, 43872, 172141, 363159, 7760708, 4920100, 23085286, 7706978, 417601489, 147638183, 67739649, 9215534752

Basic calculations (n = 128420551)

Multiplication

n×y

n×2	256841102
n×3	385261653
n×4	513682204
n×5	642102755

Division

n÷y

n÷2	64210275.5
n÷3	42806850.333333
n÷3	32105137.75
n÷5	25684110.2

Exponentiation

n^y

n²	16491837919143601
n³	2.1178909125791E+24
n⁴	2.719807179513E+32
n⁵	3.4927913660682E+40

Nth Root

^y√n

²√n	11332.279161757
³√n	504.51975518559
⁴√n	106.45317826048
⁵√n	41.853030102024

Divisors of 128420551

1, 7, 18345793, 128420551

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-128420550	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128420551 can be divided by 4 positive divisors. The sum of these divisors (counting 128420551) is 1, the average is 0.25.

Base conversion 128420551

Base	System	Value
2	Binary	111101001111000101011000111
3	Ternary	22221122102212201
4	Quaternary	13221320223013
5	Quinary	230333424201
6	Senary	20424255331
8	Octal	751705307
10	Decimal	128420551
12	Duodecimal	37011547
16	Hexadecimal	7a78ac7
20	Vigesimal	202cb7b
36	Base36	24ghxj

Cryptographic Hash Functions

md5	b411d9dff1ea86b512dfce19f673288d
sha1	45d50eb17b4edf8dd5ae4957ff16e07bad2271a7
sha256	350add8472e2a8ec3df2afc1624dc2e4bdbe3119c011081cdf26324eccf61d43
sha512	74c59a6e82e35ca593f1974c9bd9f6b9550c39874c0c38cee9f3ece6f937fd2e3b45c5d41a859e33922ff1ea3e86722337b632de33ac79fc23d18ded541ba439
ripemd-160	20ceea6aeb9a393abf7d59f1e5e0e759a7e7c57c

128420551 as geometric shapes

Circle

Radius = n

Diameter	256841102
Circumference	806890119.18311
Area	5.1810636850975E+16

Sphere

Radius = n

Volume	8.8714007094175E+24
Surface area	2.072425474039E+17
Circumference	806890119.18311

Square

Length = n

Perimeter	513682204
Area	16491837919143601
Diagonal	181614084.91163

Cube

Length = n

Surface area	98951027514861606
Volume	2.1178909125791E+24
Space diagonal	222430919.06799

Equilateral Triangle

Length = n

Perimeter	385261653
Area	7.1411752965369E+15
Altitude	111215459.534

Triangular Pyramid

Length = n

Surface area	7.1411752965369E+15
Volume	2.4959583768301E+23
Height	60538028.303875