128808640 (number)

128808640 is an even 9-digits composite number following 128808639 and preceding 128808641. In scientific notation, it is written as 1.28808640 × 10^8. The sum of its digits is 37. It has a total of 8 prime factors and 28 positive divisors. There are 51523328 positive integers (up to 128808640) that are relatively prime to 128808640.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.28808640 × 10^8
Engineering notation 1.28808640 × 10^6

Prime Factorization of 128808640

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 5 × 402527

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 4025270
Product of the distinct prime numbers

The prime factorization of 128808640 is 2 × 2 × 2 × 2 × 2 × 2 × 5 × 402527. Since it has a total of 8 prime factors.

Most popular turbo-numbers

10, 5, 63, 21, 516, 123, 3358, 9104, 17766, 90044, 296728, 250615, 3926039, 2872842, 45586690, 20650441, 906995976, 280507348, 3313549184, 2828095751

Basic calculations (n = 128808640)

Multiplication

n×y
n×2 257617280
n×3 386425920
n×4 515234560
n×5 644043200

Division

n÷y
n÷2 64404320
n÷3 42936213.333333
n÷3 32202160
n÷5 25761728

Exponentiation

ny
n2 16591665738649600
n3 2.1371498991301E+24
n4 2.7528337198308E+32
n5 3.5458876759755E+40

Nth Root

y√n
2√n 11349.389410889
3√n 505.02746640141
4√n 106.53351308808
5√n 41.878295687191

Divisors of 128808640

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 402527, 805054, 1610108, 2012635, 3220216, 4025270, 6440432, 8050540, 12880864, 16101080, 25761728, 32202160, 64404320, 128808640

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128808639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128808640 can be divided by 28 positive divisors. The sum of these divisors (counting 128808640) is 1, the average is 0.035714285714286.

Base conversion 128808640

Base System Value
2 Binary 111101011010111011011000000
3 Ternary 22222101011020101
4 Quaternary 13223113123000
5 Quinary 230433334030
6 Senary 20440452144
8 Octal 753273300
10 Decimal 128808640
12 Duodecimal 3717a054
16 Hexadecimal 7ad76c0
20 Vigesimal 20511c0
36 Base36 24otds

Cryptographic Hash Functions

md5 2760e0b672b193e2e76e6c7b264ba88b
sha1 b2f25eabeec18b967c1e551060f217e36a5d88e2
sha256 ac5bec8f3bd3d9caa2305253a10d2b1e249cd6720265862d0e1381494bb2c14c
sha512 90cb01a82374299104998118139c30c4b260b164e5fbd0b63da35de2672af610221a300958685b50eab7a3fd1b1bacc25494a0bc2ba368a06bd8cdacbc1d152f
ripemd-160 bab5572ff8404ed69fa3c97ca4d45dd77d9bc42b

128808640 as geometric shapes

Circle

Radius = n
Diameter 257617280
Circumference 809328554.28578
Area 5.2124255195359E+16

Sphere

Radius = n
Volume 8.9520725636362E+24
Surface area 2.0849702078144E+17
Circumference 809328554.28578

Square

Length = n
Perimeter 515234560
Area 16591665738649600
Diagonal 182162925.63883

Cube

Length = n
Surface area 99549994431897600
Volume 2.1371498991301E+24
Space diagonal 223103108.93385

Equilateral Triangle

Length = n
Perimeter 386425920
Area 7.1844020103852E+15
Altitude 111551554.46692

Triangular Pyramid

Length = n
Surface area 7.1844020103852E+15
Volume 2.518655310145E+23
Height 60720975.212945