128246989 (number)

128246989 is an odd 9-digits composite number following 128246988 and preceding 128246990. In scientific notation, it is written as 1.28246989 × 10^8. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 118381824 positive integers (up to 128246989) that are relatively prime to 128246989.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million two hundred forty-six thousand nine hundred eighty-nine

Notation

Scientific notation 1.28246989 × 10^8
Engineering notation 1.28246989 × 10^6

Prime Factorization of 128246989

Prime Factorization 13 × 9865153

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128246989
Product of the distinct prime numbers

The prime factorization of 128246989 is 13 × 9865153. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 5, 19, 65, 106, 874, 84, 1652, 27631, 89088, 441671, 576697, 8245279, 2603395, 22779875, 65579485, 802743455, 980838607, 6536305761, 6846937620

Basic calculations (n = 128246989)

Multiplication

n×y
n×2 256493978
n×3 384740967
n×4 512987956
n×5 641234945

Division

n÷y
n÷2 64123494.5
n÷3 42748996.333333
n÷3 32061747.25
n÷5 25649397.8

Exponentiation

ny
n2 16447290187566121
n3 2.1093154437646E+24
n4 2.7051335451401E+32
n5 3.4692523200711E+40

Nth Root

y√n
2√n 11324.618713228
3√n 504.29236443615
4√n 106.41719181236
5√n 41.841711001228

Divisors of 128246989

1, 13, 9865153, 128246989

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 -128246988
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 128246989 can be divided by 4 positive divisors. The sum of these divisors (counting 128246989) is 1, the average is 0.25.

Base conversion 128246989

Base System Value
2 Binary 111101001001110010011001101
3 Ternary 22221022121210111
4 Quaternary 13221032103031
5 Quinary 230312400424
6 Senary 20420440021
8 Octal 751162315
10 Decimal 128246989
12 Duodecimal 36b49011
16 Hexadecimal 7a4e4cd
20 Vigesimal 201ah99
36 Base36 24cs0d

Cryptographic Hash Functions

md5 94e1960ee245429327ea00d372e774ad
sha1 ef7528ecc9d3bd7e591b0a39431545c59d2f253b
sha256 f24c9b1b25c81f7def3af08cef0069ea0e95b2f20dd00134cf3f8379f883fc1d
sha512 ea1775b96af736c7fc1f0cdce6e2258929ffc9b636f05090198c872f0628b5908ae47c9021c6e2e19fd873e776e92d1c67daac10ff723103b4bc3b233f352cac
ripemd-160 b40dc6156f7bafecfcec38db053a04443b811f03

128246989 as geometric shapes

Circle

Radius = n
Diameter 256493978
Circumference 805799596.97482
Area 5.1670686024717E+16

Sphere

Radius = n
Volume 8.8354798696458E+24
Surface area 2.0668274409887E+17
Circumference 805799596.97482

Square

Length = n
Perimeter 512987956
Area 16447290187566121
Diagonal 181368631.17731

Cube

Length = n
Surface area 98683741125396726
Volume 2.1093154437646E+24
Space diagonal 222130300.86573

Equilateral Triangle

Length = n
Perimeter 384740967
Area 7.1218855629234E+15
Altitude 111065150.43286

Triangular Pyramid

Length = n
Surface area 7.1218855629234E+15
Volume 2.4858520899124E+23
Height 60456210.392438