645366986 (number)

645366986 is an even 9-digits composite number following 645366985 and preceding 645366987. In scientific notation, it is written as 6.45366986 × 10^8. The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors. There are 282251200 positive integers (up to 645366986) that are relatively prime to 645366986.

Interesting facts

Basic properties

Name

Name six hundred forty-five million three hundred sixty-six thousand nine hundred eighty-six

Notation

Scientific notation 6.45366986 × 10^8
Engineering notation 6.45366986 × 10^6

Prime Factorization of 645366986

Prime Factorization 2 × 319 × 317 × 3191

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 645366986
Product of the distinct prime numbers

The prime factorization of 645366986 is 2 × 319 × 317 × 3191. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 9, 57, 85, 871, 399, 3721, 2336, 65333, 72813, 451473, 786038, 6245884, 8818565, 8915070, 99936367, 548908932, 415806516, 8821595973, 2899875603

Basic calculations (n = 645366986)

Multiplication

n×y
n×2 1290733972
n×3 1936100958
n×4 2581467944
n×5 3226834930

Division

n÷y
n÷2 322683493
n÷3 215122328.66667
n÷3 161341746.5
n÷5 129073397.2

Exponentiation

ny
n2 416498546618724196
n3 2.6879441170471E+26
n4 1.7347103933551E+35
n5 1.1195248181425E+44

Nth Root

y√n
2√n 25404.074200805
3√n 864.17609454414
4√n 159.38655589731
5√n 57.804460079126

Divisors of 645366986

1, 2, 317, 319, 634, 638, 3191, 6382, 101123, 202246, 1011547, 1017929, 2023094, 2035858, 322683493, 645366986

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 -645366985
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 645366986 can be divided by 16 positive divisors. The sum of these divisors (counting 645366986) is 1, the average is 0.0625.

Base conversion 645366986

Base System Value
2 Binary 100110011101111000010011001010
3 Ternary 1122222101001001222
4 Quaternary 212131320103022
5 Quinary 2310203220421
6 Senary 144012242042
8 Octal 4635702312
10 Decimal 645366986
12 Duodecimal 160170322
16 Hexadecimal 267784ca
20 Vigesimal a1dah96
36 Base36 ao8gcq

Cryptographic Hash Functions

md5 3daf2f4427e075f064beecbc21149b97
sha1 59d67d2a7de9885a644873332d1a032ef68b194b
sha256 1f0ad11aa747d1732a2b68ca9d54a696f57677e62facf355530d45445824fc86
sha512 5cdabf4860e7f9b8210e3aad0834962e36c9997618b714934a94d819947f9a64474c9051653b1dc24e0ecb6f7e0a97d52d3f1ab37957404b37228a18c5bb11cb
ripemd-160 96906bfa1ecb380b287ea57cf0f0c3f17faf96dd

645366986 as geometric shapes

Circle

Radius = n
Diameter 1290733972
Circumference 4054960364.174
Area 1.3084687742882E+18

Sphere

Radius = n
Volume 1.12592339885E+27
Surface area 5.2338750971528E+18
Circumference 4054960364.174

Square

Length = n
Perimeter 2581467944
Area 416498546618724196
Diagonal 912686744.30905

Cube

Length = n
Surface area 2498991279712345176
Volume 2.6879441170471E+26
Space diagonal 1117808409.2796

Equilateral Triangle

Length = n
Perimeter 1936100958
Area 1.8034916100556E+17
Altitude 558904204.6398

Triangular Pyramid

Length = n
Surface area 1.8034916100556E+17
Volume 3.1677725210241E+25
Height 304228914.76968