128389907 (number)

128389907 is an odd 9-digits prime number following 128389906 and preceding 128389908. In scientific notation, it is written as 1.28389907 × 10^8. The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors. There are 128389906 positive integers (up to 128389907) that are relatively prime to 128389907.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million three hundred eighty-nine thousand nine hundred seven

Notation

Scientific notation 1.28389907 × 10^8
Engineering notation 1.28389907 × 10^6

Prime Factorization of 128389907

Prime Factorization 128389907

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 128389907
Product of the distinct prime numbers

The prime factorization of 128389907 is 128389907. Since it has a total of 1 prime factors.

Most popular turbo-numbers

1, 6, 17, 7, 160, 734, 6843, 9437, 46842, 19067, 205414, 210316, 7221260, 5228392, 40000451, 11692261, 758228747, 300662856, 702570489, 967637999

Basic calculations (n = 128389907)

Multiplication

n×y
n×2 256779814
n×3 385169721
n×4 513559628
n×5 641949535

Division

n÷y
n÷2 64194953.5
n÷3 42796635.666667
n÷3 32097476.75
n÷5 25677981.4

Exponentiation

ny
n2 16483968219468649
n3 2.1163751466885E+24
n4 2.7172120826045E+32
n5 3.4886260658487E+40

Nth Root

y√n
2√n 11330.92701415
3√n 504.47962211457
4√n 106.44682716808
5√n 41.851032498557

Divisors of 128389907

1, 128389907

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 128389908
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 64194954
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 11330.927058277
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999844225
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128389907 can be divided by 2 positive divisors. The sum of these divisors (counting 128389907) is 128389908, the average is 64194954.

Base conversion 128389907

Base System Value
2 Binary 111101001110001001100010011
3 Ternary 22221120212211202
4 Quaternary 13221301030103
5 Quinary 230331434112
6 Senary 20423501415
8 Octal 751611423
10 Decimal 128389907
12 Duodecimal 36bb786b
16 Hexadecimal 7a71313
20 Vigesimal 2028ef7
36 Base36 24fuab

Cryptographic Hash Functions

md5 4f5c80c2b5a1d7cba94d88c1a9e405b8
sha1 f038b8ae3e8a346e7bef18cd0a719ac6906cce84
sha256 d30fe4f5cdc0bf27abadc2b9ac76d1afc96200650016384a21bf5fefa8212178
sha512 fa712391d466bce3c8d976604f64696865039b57c8fc9a430fce1a28bc9a1c57990723f59d570c38bd7a5fa5bdf9672102def933b4be10b5ccdf337f5faa0814
ripemd-160 d254de12d5cc6d0051abb706948ef50a9a45ef26

128389907 as geometric shapes

Circle

Radius = n
Diameter 256779814
Circumference 806697577.25255
Area 5.178591346029E+16

Sphere

Radius = n
Volume 8.8650514841023E+24
Surface area 2.0714365384116E+17
Circumference 806697577.25255

Square

Length = n
Perimeter 513559628
Area 16483968219468649
Diagonal 181570747.75122

Cube

Length = n
Surface area 98903809316811894
Volume 2.1163751466885E+24
Space diagonal 222377842.10304

Equilateral Triangle

Length = n
Perimeter 385169721
Area 7.1377676166176E+15
Altitude 111188921.05152

Triangular Pyramid

Length = n
Surface area 7.1377676166176E+15
Volume 2.4941720295969E+23
Height 60523582.58374