128918069 (number)

128918069 is an odd 9-digits composite number following 128918068 and preceding 128918070. In scientific notation, it is written as 1.28918069 × 10^8. The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors. There are 110009088 positive integers (up to 128918069) that are relatively prime to 128918069.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million nine hundred eighteen thousand sixty-nine

Notation

Scientific notation 1.28918069 × 10^8
Engineering notation 1.28918069 × 10^6

Prime Factorization of 128918069

Prime Factorization 7 × 7 × 229 × 11489

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18416867
Product of the distinct prime numbers

The prime factorization of 128918069 is 7 × 7 × 229 × 11489. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 10, 11, 74, 335, 126, 8112, 1522, 5762, 49878, 569965, 698353, 9014866, 4925440, 23309932, 13821298, 158267661, 224844445, 5846871753, 7741460516

Basic calculations (n = 128918069)

Multiplication

n×y
n×2 257836138
n×3 386754207
n×4 515672276
n×5 644590345

Division

n÷y
n÷2 64459034.5
n÷3 42972689.666667
n÷3 32229517.25
n÷5 25783613.8

Exponentiation

ny
n2 16619868514688761
n3 2.1426013559476E+24
n4 2.7622002944554E+32
n5 3.5609752815243E+40

Nth Root

y√n
2√n 11354.209307565
3√n 505.17044078581
4√n 106.55613219128
5√n 41.88540878694

Divisors of 128918069

1, 7, 49, 229, 1603, 11221, 11489, 80423, 562961, 2630981, 18416867, 128918069

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 -128918068
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 128918069 can be divided by 12 positive divisors. The sum of these divisors (counting 128918069) is 1, the average is 0.083333333333333.

Base conversion 128918069

Base System Value
2 Binary 111101011110010001000110101
3 Ternary 22222120201100022
4 Quaternary 13223302020311
5 Quinary 231000334234
6 Senary 20443054525
8 Octal 753621065
10 Decimal 128918069
12 Duodecimal 37211445
16 Hexadecimal 7af2235
20 Vigesimal 205ef39
36 Base36 24r5th

Cryptographic Hash Functions

md5 d49fa48cbb61227a7f0fd3b55a53609b
sha1 adf6899fac3c2c4e85b6ae176927e0c951d07ce7
sha256 5431ca1c8a5a93cc150fc2563393f0b26e8d3dce5d02d28d8c21a97516acd057
sha512 8eef6a33bcc3994d13f075eaf9381e17a25d8cd5abd8cf7395520b56532b30e44b9d2f447e4963abd2abc1a1ec5517561fa2adb8e946270299ff6970f368f28c
ripemd-160 2f83d87fe4d2a3298742fb6dd0b40c8232edde7e

128918069 as geometric shapes

Circle

Radius = n
Diameter 257836138
Circumference 810016116.97076
Area 5.2212856829375E+16

Sphere

Radius = n
Volume 8.9749075725552E+24
Surface area 2.088514273175E+17
Circumference 810016116.97076

Square

Length = n
Perimeter 515672276
Area 16619868514688761
Diagonal 182317681.61475

Cube

Length = n
Surface area 99719211088132566
Volume 2.1426013559476E+24
Space diagonal 223292645.52167

Equilateral Triangle

Length = n
Perimeter 386754207
Area 7.1966141706388E+15
Altitude 111646322.76084

Triangular Pyramid

Length = n
Surface area 7.1966141706388E+15
Volume 2.5250799136167E+23
Height 60772560.53825