128122261 (number)

128122261 is an odd 9-digits composite number following 128122260 and preceding 128122262. In scientific notation, it is written as 1.28122261 × 10^8. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 123704224 positive integers (up to 128122261) that are relatively prime to 128122261.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28122261 × 10^8
Engineering notation 1.28122261 × 10^6

Prime Factorization of 128122261

Prime Factorization 29 × 4418009

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128122261
Product of the distinct prime numbers

The prime factorization of 128122261 is 29 × 4418009. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 2, 23, 97, 93, 893, 1853, 7101, 68162, 19089, 361934, 627239, 8700548, 5111900, 30669331, 17972995, 995923519, 965980834, 2760221994, 7419320825

Basic calculations (n = 128122261)

Multiplication

n×y
n×2 256244522
n×3 384366783
n×4 512489044
n×5 640611305

Division

n÷y
n÷2 64061130.5
n÷3 42707420.333333
n÷3 32030565.25
n÷5 25624452.2

Exponentiation

ny
n2 16415313763752121
n3 2.1031671144363E+24
n4 2.6946252596243E+32
n5 3.4524148081078E+40

Nth Root

y√n
2√n 11319.110433245
3√n 504.12882640509
4√n 106.39130807188
5√n 41.833569111256

Divisors of 128122261

1, 29, 4418009, 128122261

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 -128122260
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 128122261 can be divided by 4 positive divisors. The sum of these divisors (counting 128122261) is 1, the average is 0.25.

Base conversion 128122261

Base System Value
2 Binary 111101000101111110110010101
3 Ternary 22221002021200221
4 Quaternary 13220233312111
5 Quinary 230244403021
6 Senary 20414034341
8 Octal 750576625
10 Decimal 128122261
12 Duodecimal 36aa89b1
16 Hexadecimal 7a2fd95
20 Vigesimal 200f5d1
36 Base36 24a3rp

Cryptographic Hash Functions

md5 3ffc1bdcc6d930fb55f5320150aa5463
sha1 fd20651d0d242f8c893f51acd5f7dd4662678109
sha256 e9ba948e3595594d1e0a7ea69479269517b8d59d447a160dd003d486718fdd49
sha512 d41a7766a2d8a28966d48d9ea643e6bb2315213b6fce0bce674d3b0fb73bee65a246ab8fa1c9645904b8c8d836852434347bdbd5870fe8fcd0e6ebd203053598
ripemd-160 1332f3d6662783fad598c6abff7bf427e09a81c3

128122261 as geometric shapes

Circle

Radius = n
Diameter 256244522
Circumference 805015907.83783
Area 5.1570229126575E+16

Sphere

Radius = n
Volume 8.8097258079798E+24
Surface area 2.062809165063E+17
Circumference 805015907.83783

Square

Length = n
Perimeter 512489044
Area 16415313763752121
Diagonal 181192239.14811

Cube

Length = n
Surface area 98491882582512726
Volume 2.1031671144363E+24
Space diagonal 221914265.6326

Equilateral Triangle

Length = n
Perimeter 384366783
Area 7.1080393652508E+15
Altitude 110957132.8163

Triangular Pyramid

Length = n
Surface area 7.1080393652508E+15
Volume 2.4786062143108E+23
Height 60397413.049368