686642445 (number)

686642445 is an odd 9-digits composite number following 686642444 and preceding 686642446. In scientific notation, it is written as 6.86642445 × 10^8. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 365974656 positive integers (up to 686642445) that are relatively prime to 686642445.

Interesting facts

Basic properties

Name

Name six hundred eighty-six million six hundred forty-two thousand four hundred forty-five

Notation

Scientific notation 6.86642445 × 10^8
Engineering notation 6.86642445 × 10^6

Prime Factorization of 686642445

Prime Factorization 45 × 1949 × 7829

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 686642445
Product of the distinct prime numbers

The prime factorization of 686642445 is 45 × 1949 × 7829. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 686642445)

Multiplication

n×y
n×2 1373284890
n×3 2059927335
n×4 2746569780
n×5 3433212225

Division

n÷y
n÷2 343321222.5
n÷3 228880815
n÷3 171660611.25
n÷5 137328489

Exponentiation

ny
n2 471477847275578025
n3 3.2373670181664E+26
n4 2.2229136047161E+35
n5 1.526346832566E+44

Nth Root

y√n
2√n 26203.863169388
3√n 882.21996534507
4√n 161.87607349262
5√n 58.525634289204

Divisors of 686642445

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -686642444
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 686642445 can be divided by 8 positive divisors. The sum of these divisors (counting 686642445) is 1, the average is 0.125.

Base conversion 686642445

Base System Value
2 Binary 101000111011010101010100001101
3 Ternary 1202212001001100200
4 Quaternary 220323111110031
5 Quinary 2401240024240
6 Senary 152045044113
8 Octal 5073252415
10 Decimal 686642445
12 Duodecimal 171b56639
16 Hexadecimal 28ed550d
20 Vigesimal aeba625
36 Base36 bct4p9

Cryptographic Hash Functions

md5 202f80100ec7cb480f56c01832979740
sha1 d40edac2ffe5594157d2468be7685a3de8bf9c35
sha256 a391cd1c4c6a6c0556213d0ca77959b83cdf942bcc7b173725a71bb69e8b4238
sha512 55c32e5b7c46fd281129b31b1dea9516cbb63e5ae48d100d49e27aa520cfc7bcfab9394a9d4cc16d23d0f039ad44e5c8a4bdf581945aef60ea36dd6c0e1162de
ripemd-160 edc43787b755978224d0ee4307f1bebe6e1e3245

686642445 as geometric shapes

Circle

Radius = n
Diameter 1373284890
Circumference 4314301721.7099
Area 1.4811913413313E+18

Sphere

Radius = n
Volume 1.3560651254994E+27
Surface area 5.9247653653251E+18
Circumference 4314301721.7099

Square

Length = n
Perimeter 2746569780
Area 471477847275578025
Diagonal 971059058.22002

Cube

Length = n
Surface area 2828867083653468150
Volume 3.2373670181664E+26
Space diagonal 1189299601.3733

Equilateral Triangle

Length = n
Perimeter 2059927335
Area 2.0415589653113E+17
Altitude 594649800.68666

Triangular Pyramid

Length = n
Surface area 2.0415589653113E+17
Volume 3.8152736195586E+25
Height 323686352.74001