645528081 (number)

645528081 is an odd 9-digits composite number following 645528080 and preceding 645528082. In scientific notation, it is written as 6.45528081 × 10^8. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 377737920 positive integers (up to 645528081) that are relatively prime to 645528081.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.45528081 × 10^8
Engineering notation 6.45528081 × 10^6

Prime Factorization of 645528081

Prime Factorization 11 × 3 × 29 × 674533

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 645528081
Product of the distinct prime numbers

The prime factorization of 645528081 is 11 × 3 × 29 × 674533. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 5, 21, 70, 732, 778, 9102, 6229, 11835, 19718, 820042, 324136, 3548757, 2089607, 31330280, 13563925, 414671491, 806921642, 9865974837, 2379880420

Basic calculations (n = 645528081)

Multiplication

n×y
n×2 1291056162
n×3 1936584243
n×4 2582112324
n×5 3227640405

Division

n÷y
n÷2 322764040.5
n÷3 215176027
n÷3 161382020.25
n÷5 129105616.2

Exponentiation

ny
n2 416706503359542561
n3 2.6899574945391E+26
n4 1.7364430994214E+35
n5 1.1209227817352E+44

Nth Root

y√n
2√n 25407.244655806
3√n 864.24799310166
4√n 159.39650139136
5√n 57.807345593898

Divisors of 645528081

1, 3, 11, 29, 33, 87, 319, 957, 674533, 2023599, 7419863, 19561457, 22259589, 58684371, 215176027, 645528081

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -645528080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 645528081 can be divided by 16 positive divisors. The sum of these divisors (counting 645528081) is 1, the average is 0.0625.

Base conversion 645528081

Base System Value
2 Binary 100110011110011111101000010001
3 Ternary 1122222200020001110
4 Quaternary 212132133220101
5 Quinary 2310223344311
6 Senary 144015523533
8 Octal 4636375021
10 Decimal 645528081
12 Duodecimal 1602295a9
16 Hexadecimal 2679fa11
20 Vigesimal a1eb041
36 Base36 aobwnl

Cryptographic Hash Functions

md5 baf2903958390e952bc9291cbb85d32b
sha1 ef16bd344226ee3579e03049f2de0b5dbb4b7720
sha256 a13e459db93d856306e149c71424572e98e27a4f3041dc336ff917809c1d2f94
sha512 33de9107b7b19714a83d655a0142c8ba82a558214954051d19523e2a979817ba0eaeef5f5642035f62ff53cbb82bd43a7a9f3832e2273543aa8b5763cea53632
ripemd-160 0657eaafa7e3c3e5f2161c230f30b9e72c6ce483

645528081 as geometric shapes

Circle

Radius = n
Diameter 1291056162
Circumference 4055972553.911
Area 1.3091220896574E+18

Sphere

Radius = n
Volume 1.1267667604417E+27
Surface area 5.2364883586297E+18
Circumference 4055972553.911

Square

Length = n
Perimeter 2582112324
Area 416706503359542561
Diagonal 912914567.04288

Cube

Length = n
Surface area 2500239020157255366
Volume 2.6899574945391E+26
Space diagonal 1118087434.0044

Equilateral Triangle

Length = n
Perimeter 1936584243
Area 1.8043920891577E+17
Altitude 559043717.00222

Triangular Pyramid

Length = n
Surface area 1.8043920891577E+17
Volume 3.1701453091536E+25
Height 304304855.68096