128646916 (number)

128646916 is an even 9-digits composite number following 128646915 and preceding 128646917. In scientific notation, it is written as 1.28646916 × 10^8. The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors. There are 64034568 positive integers (up to 128646916) that are relatively prime to 128646916.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million six hundred forty-six thousand nine hundred sixteen

Notation

Scientific notation 1.28646916 × 10^8
Engineering notation 1.28646916 × 10^6

Prime Factorization of 128646916

Prime Factorization 2 × 2 × 223 × 144223

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 64323458
Product of the distinct prime numbers

The prime factorization of 128646916 is 2 × 2 × 223 × 144223. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128646916)

Multiplication

n×y
n×2 257293832
n×3 385940748
n×4 514587664
n×5 643234580

Division

n÷y
n÷2 64323458
n÷3 42882305.333333
n÷3 32161729
n÷5 25729383.2

Exponentiation

ny
n2 16550028996311056
n3 2.129110190086E+24
n4 2.7390345977874E+32
n5 3.5236835382265E+40

Nth Root

y√n
2√n 11342.262384551
3√n 504.81601767702
4√n 106.50005814342
5√n 41.867774452872

Divisors of 128646916

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128646915
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128646916 can be divided by 12 positive divisors. The sum of these divisors (counting 128646916) is 1, the average is 0.083333333333333.

Base conversion 128646916

Base System Value
2 Binary 111101010101111111100000100
3 Ternary 22222001221101121
4 Quaternary 13222233330010
5 Quinary 230413200131
6 Senary 20433203324
8 Octal 752577404
10 Decimal 128646916
12 Duodecimal 37100544
16 Hexadecimal 7aaff04
20 Vigesimal 2040h5g
36 Base36 24lclg

Cryptographic Hash Functions

md5 1722af5da39bb9fb3b74a42273e9e696
sha1 e54ed71388e72b364cf3405ed83f7281ba29dad4
sha256 ba063ac9b262a09c653ad240b8251c1e45e1e301c38377e17c164aebec29901e
sha512 b2cafab88264ec184328b00250ded60b50e3a4ec25890534b9b3374b92d4e6fc19fedb84a2b2e272d2a241ee26d9192d0df5a0300282f5be70e26cb754e8a760
ripemd-160 cfd244d9add6b3ede9ed5e7174e791960452888d

128646916 as geometric shapes

Circle

Radius = n
Diameter 257293832
Circumference 808312412.42517
Area 5.1993449511509E+16

Sphere

Radius = n
Volume 8.9183959091431E+24
Surface area 2.0797379804604E+17
Circumference 808312412.42517

Square

Length = n
Perimeter 514587664
Area 16550028996311056
Diagonal 181934213.36467

Cube

Length = n
Surface area 99300173977866336
Volume 2.129110190086E+24
Space diagonal 222822994.74905

Equilateral Triangle

Length = n
Perimeter 385940748
Area 7.1663727720872E+15
Altitude 111411497.37452

Triangular Pyramid

Length = n
Surface area 7.1663727720872E+15
Volume 2.509180422172E+23
Height 60644737.788224