686991243 (number)

686991243 is an odd 9-digits composite number following 686991242 and preceding 686991244. In scientific notation, it is written as 6.86991243 × 10^8. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 450996000 positive integers (up to 686991243) that are relatively prime to 686991243.

Interesting facts

Basic properties

Name

Name six hundred eighty-six million nine hundred ninety-one thousand two hundred forty-three

Notation

Scientific notation 6.86991243 × 10^8
Engineering notation 6.86991243 × 10^6

Prime Factorization of 686991243

Prime Factorization 3 × 71 × 1181 × 2731

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 686991243
Product of the distinct prime numbers

The prime factorization of 686991243 is 3 × 71 × 1181 × 2731. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 686991243)

Multiplication

n×y
n×2 1373982486
n×3 2060973729
n×4 2747964972
n×5 3434956215

Division

n÷y
n÷2 343495621.5
n÷3 228997081
n÷3 171747810.75
n÷5 137398248.6

Exponentiation

ny
n2 471956967958685049
n3 3.2423030406045E+26
n4 2.2274337960476E+35
n5 1.5302275122469E+44

Nth Root

y√n
2√n 26210.517793436
3√n 882.36932229797
4√n 161.89662687479
5√n 58.531579006939

Divisors of 686991243

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 -686991242
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 686991243 can be divided by 16 positive divisors. The sum of these divisors (counting 686991243) is 1, the average is 0.0625.

Base conversion 686991243

Base System Value
2 Binary 101000111100101010011110001011
3 Ternary 1202212200202211010
4 Quaternary 220330222132023
5 Quinary 2401332204433
6 Senary 152100335003
8 Octal 5074523613
10 Decimal 686991243
12 Duodecimal 1720a4463
16 Hexadecimal 28f2a78b
20 Vigesimal aeddi23
36 Base36 bd0lu3

Cryptographic Hash Functions

md5 44f84871acafbd24e873c83cd53c4daa
sha1 0728581cf8e16b52c1e10f721b49afc125b1be63
sha256 41b7f17c0a333a35c8e45ab78008638862e529a6a024dfb80d2e2f01bbd64586
sha512 0487d671215b9af926ce812f4285ea430119a3b6bb7ebddfc7c19d6e5d3a54e5877a022418dd2efe151bab089ad78593bd2c2a0ecc63f4e10ce6f84afb4a1076
ripemd-160 b47b404f71784eb30bca8a987502866e34803329

686991243 as geometric shapes

Circle

Radius = n
Diameter 1373982486
Circumference 4316493284.1786
Area 1.4826965433495E+18

Sphere

Radius = n
Volume 1.3581327217433E+27
Surface area 5.9307861733981E+18
Circumference 4316493284.1786

Square

Length = n
Perimeter 2747964972
Area 471956967958685049
Diagonal 971552333.08215

Cube

Length = n
Surface area 2831741807752110294
Volume 3.2423030406045E+26
Space diagonal 1189903737.2309

Equilateral Triangle

Length = n
Perimeter 2060973729
Area 2.0436336187265E+17
Altitude 594951868.61545

Triangular Pyramid

Length = n
Surface area 2.0436336187265E+17
Volume 3.8210907777887E+25
Height 323850777.69405