128522865 (number)

128522865 is an odd 9-digits composite number following 128522864 and preceding 128522866. In scientific notation, it is written as 1.28522865 × 10^8. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 68545520 positive integers (up to 128522865) that are relatively prime to 128522865.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million five hundred twenty-two thousand eight hundred sixty-five

Notation

Scientific notation 1.28522865 × 10^8
Engineering notation 1.28522865 × 10^6

Prime Factorization of 128522865

Prime Factorization 15 × 8568191

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128522865
Product of the distinct prime numbers

The prime factorization of 128522865 is 15 × 8568191. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 4, 62, 66, 632, 117, 3583, 8031, 68335, 71271, 951094, 305342, 5566253, 4601601, 8542146, 42878378, 676437890, 874453631, 6071460313, 5012716544

Basic calculations (n = 128522865)

Multiplication

n×y
n×2 257045730
n×3 385568595
n×4 514091460
n×5 642614325

Division

n÷y
n÷2 64261432.5
n÷3 42840955
n÷3 32130716.25
n÷5 25704573

Exponentiation

ny
n2 16518126827808225
n3 2.1229569843433E+24
n4 2.7284851389956E+32
n5 3.5067272717363E+40

Nth Root

y√n
2√n 11336.79253581
3√n 504.65370501245
4√n 106.47437501958
5√n 41.859696927367

Divisors of 128522865

1, 15, 8568191, 128522865

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 -128522864
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 128522865 can be divided by 4 positive divisors. The sum of these divisors (counting 128522865) is 1, the average is 0.25.

Base conversion 128522865

Base System Value
2 Binary 111101010010001101001110001
3 Ternary 22221211122020010
4 Quaternary 13222101221301
5 Quinary 230400212430
6 Senary 20430405133
8 Octal 752215161
10 Decimal 128522865
12 Duodecimal 370607a9
16 Hexadecimal 7a91a71
20 Vigesimal 2035735
36 Base36 24iovl

Cryptographic Hash Functions

md5 51f139dda93934b7d596437d057d2516
sha1 168b54b1fefd2a3a6ce8b7561e59bbf44f83d47c
sha256 b28d633f1a0118d7a746658162c2f70e408b8b87adac403453d0933aeb492e1d
sha512 6f23c32ba0c17828dc009784e9274da11b0c1d78462fb9acf3111852df759f6fa404315884aecebe383b424e33131a7cfec8b4d89ba186568d991694ab0a556d
ripemd-160 2ecec6400e114582db31d93c3dff3363e92e4e06

128522865 as geometric shapes

Circle

Radius = n
Diameter 257045730
Circumference 807532977.00463
Area 5.1893225893307E+16

Sphere

Radius = n
Volume 8.8926214212E+24
Surface area 2.0757290357323E+17
Circumference 807532977.00463

Square

Length = n
Perimeter 514091460
Area 16518126827808225
Diagonal 181758778.75805

Cube

Length = n
Surface area 99108760966849350
Volume 2.1229569843433E+24
Space diagonal 222608132.11432

Equilateral Triangle

Length = n
Perimeter 385568595
Area 7.1525587279076E+15
Altitude 111304066.05716

Triangular Pyramid

Length = n
Surface area 7.1525587279076E+15
Volume 2.5019287996608E+23
Height 60586259.586015