686649890 (number)

686649890 is an even 9-digits composite number following 686649889 and preceding 686649891. In scientific notation, it is written as 6.86649890 × 10^8. The sum of its digits is 56. It has a total of 4 prime factors and 16 positive divisors. There are 258503424 positive integers (up to 686649890) that are relatively prime to 686649890.

Interesting facts

Basic properties

Name

Name six hundred eighty-six million six hundred forty-nine thousand eight hundred ninety

Notation

Scientific notation 6.86649890 × 10^8
Engineering notation 6.86649890 × 10^6

Prime Factorization of 686649890

Prime Factorization 2 × 5 × 17 × 4039117

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 686649890
Product of the distinct prime numbers

The prime factorization of 686649890 is 2 × 5 × 17 × 4039117. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 9, 57, 84, 807, 290, 6456, 5545, 79134, 73350, 877133, 861743, 8049159, 4660814, 79373418, 56311266, 947409004, 634241291, 2028035096, 7200237033

Basic calculations (n = 686649890)

Multiplication

n×y
n×2 1373299780
n×3 2059949670
n×4 2746599560
n×5 3433249450

Division

n÷y
n÷2 343324945
n÷3 228883296.66667
n÷3 171662472.5
n÷5 137329978

Exponentiation

ny
n2 471488071437012100
n3 3.2374723238854E+26
n4 2.2230100150739E+35
n5 1.5264295823194E+44

Nth Root

y√n
2√n 26204.005228209
3√n 882.2231538575
4√n 161.87651228084
5√n 58.525761202844

Divisors of 686649890

1, 2, 5, 10, 17, 34, 85, 170, 4039117, 8078234, 20195585, 40391170, 68664989, 137329978, 343324945, 686649890

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 -686649889
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 686649890 can be divided by 16 positive divisors. The sum of these divisors (counting 686649890) is 1, the average is 0.0625.

Base conversion 686649890

Base System Value
2 Binary 101000111011010111001000100010
3 Ternary 1202212001102120102
4 Quaternary 220323113020202
5 Quinary 2401240244030
6 Senary 152045142402
8 Octal 5073271042
10 Decimal 686649890
12 Duodecimal 171b5aa02
16 Hexadecimal 28ed7222
20 Vigesimal aebb4ea
36 Base36 bctag2

Cryptographic Hash Functions

md5 a994c2a9d2c854efd5c9422a35d5768b
sha1 a515e790de5c6a6cad21182c739493a95c68f899
sha256 a54e4afcc71be1ea6e8e6c5e877f53f03c4f20cc668f0e7f0682142ec862ac24
sha512 ae2af9ca46a20019ee91d7521a81730f169fae3ff13be7b617def831ad9494575a3d9ff1ce648233dd79da373427799b13dd848c92f9132ab172b629cd580c43
ripemd-160 0ce06284ba7c5e93ab51cd81dc8b65c6a1311fc3

686649890 as geometric shapes

Circle

Radius = n
Diameter 1373299780
Circumference 4314348500.0245
Area 1.4812234614817E+18

Sphere

Radius = n
Volume 1.3561092358558E+27
Surface area 5.9248938459269E+18
Circumference 4314348500.0245

Square

Length = n
Perimeter 2746599560
Area 471488071437012100
Diagonal 971069587.03999

Cube

Length = n
Surface area 2828928428622072600
Volume 3.2374723238854E+26
Space diagonal 1189312496.4916

Equilateral Triangle

Length = n
Perimeter 2059949670
Area 2.0416032372289E+17
Altitude 594656248.24579

Triangular Pyramid

Length = n
Surface area 2.0416032372289E+17
Volume 3.8153977235385E+25
Height 323689862.34666