128516621 (number)

128516621 is an odd 9-digits composite number following 128516620 and preceding 128516622. In scientific notation, it is written as 1.28516621 × 10^8. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 128492832 positive integers (up to 128516621) that are relatively prime to 128516621.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million five hundred sixteen thousand six hundred twenty-one

Notation

Scientific notation 1.28516621 × 10^8
Engineering notation 1.28516621 × 10^6

Prime Factorization of 128516621

Prime Factorization 8293 × 15497

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128516621
Product of the distinct prime numbers

The prime factorization of 128516621 is 8293 × 15497. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 5, 72, 60, 512, 936, 1356, 2603, 65404, 25919, 881214, 667212, 400271, 5502022, 24335610, 33885439, 380184342, 769066035, 1933675859, 9378587244

Basic calculations (n = 128516621)

Multiplication

n×y
n×2 257033242
n×3 385549863
n×4 514066484
n×5 642583105

Division

n÷y
n÷2 64258310.5
n÷3 42838873.666667
n÷3 32129155.25
n÷5 25703324.2

Exponentiation

ny
n2 16516521873257641
n3 2.1226475818237E+24
n4 2.727954947898E+32
n5 3.5058755214408E+40

Nth Root

y√n
2√n 11336.517145932
3√n 504.64553238427
4√n 106.47308179034
5√n 41.859290187248

Divisors of 128516621

1, 8293, 15497, 128516621

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 -128516620
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 128516621 can be divided by 4 positive divisors. The sum of these divisors (counting 128516621) is 1, the average is 0.25.

Base conversion 128516621

Base System Value
2 Binary 111101010010000001000001101
3 Ternary 22221211022122212
4 Quaternary 13222100020031
5 Quinary 230400012441
6 Senary 20430320205
8 Octal 752201015
10 Decimal 128516621
12 Duodecimal 37059065
16 Hexadecimal 7a9020d
20 Vigesimal 2034bb1
36 Base36 24ik25

Cryptographic Hash Functions

md5 a35669d2d3995fd52882e686354b52ee
sha1 eeafb111f4b4111d2c012ab12e90e8df209d3135
sha256 28e177860025fddb71d5be25167c0c8730b56714b2a567a2221f637f1bc203cf
sha512 a4c087a8649c65fb9a33a4cd58a35dff5ef8be12199718137d1af33ef35a9fd513d87e20c4b06a348368683af28cc5aba9175dd1f1df6f4e1593f0353a7cc6d9
ripemd-160 91bc49de12a03ba1842a1a91d95934d3694e25a1

128516621 as geometric shapes

Circle

Radius = n
Diameter 257033242
Circumference 807493744.79557
Area 5.1888183779881E+16

Sphere

Radius = n
Volume 8.8913253989565E+24
Surface area 2.0755273511953E+17
Circumference 807493744.79557

Square

Length = n
Perimeter 514066484
Area 16516521873257641
Diagonal 181749948.40856

Cube

Length = n
Surface area 99099131239545846
Volume 2.1226475818237E+24
Space diagonal 222597317.18907

Equilateral Triangle

Length = n
Perimeter 385549863
Area 7.1518637622012E+15
Altitude 111298658.59454

Triangular Pyramid

Length = n
Surface area 7.1518637622012E+15
Volume 2.5015641652946E+23
Height 60583316.136188