686387872 (number)

686387872 is an even 9-digits composite number following 686387871 and preceding 686387873. In scientific notation, it is written as 6.86387872 × 10^8. The sum of its digits is 55. It has a total of 6 prime factors and 12 positive divisors. There are 343193920 positive integers (up to 686387872) that are relatively prime to 686387872.

Interesting facts

Basic properties

Name

Name six hundred eighty-six million three hundred eighty-seven thousand eight hundred seventy-two

Notation

Scientific notation 6.86387872 × 10^8
Engineering notation 6.86387872 × 10^6

Prime Factorization of 686387872

Prime Factorization 2 × 2 × 2 × 2 × 2 × 21449621

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 42899242
Product of the distinct prime numbers

The prime factorization of 686387872 is 2 × 2 × 2 × 2 × 2 × 21449621. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 9, 69, 72, 897, 836, 3539, 3002, 9560, 63803, 917102, 221656, 3584536, 5801022, 62966450, 85914323, 386246705, 453977591, 9835209286, 3021311984

Basic calculations (n = 686387872)

Multiplication

n×y
n×2 1372775744
n×3 2059163616
n×4 2745551488
n×5 3431939360

Division

n÷y
n÷2 343193936
n÷3 228795957.33333
n÷3 171596968
n÷5 137277574.4

Exponentiation

ny
n2 471128310828688384
n3 3.2337675870866E+26
n4 2.2196188526429E+35
n5 1.5235194609167E+44

Nth Root

y√n
2√n 26199.005171953
3√n 882.11092404994
4√n 161.86106749911
5√n 58.521293964359

Divisors of 686387872

1, 2, 4, 8, 16, 32, 21449621, 42899242, 85798484, 171596968, 343193936, 686387872

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -686387871
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 686387872 can be divided by 12 positive divisors. The sum of these divisors (counting 686387872) is 1, the average is 0.083333333333333.

Base conversion 686387872

Base System Value
2 Binary 101000111010010111001010100000
3 Ternary 1202211120010011001
4 Quaternary 220322113022200
5 Quinary 2401203402442
6 Senary 152035401344
8 Octal 5072271240
10 Decimal 686387872
12 Duodecimal 171a53254
16 Hexadecimal 28e972a0
20 Vigesimal ae9i9dc
36 Base36 bcno9s

Cryptographic Hash Functions

md5 4ffd76facac2d9aa9539d6b1cd7d7403
sha1 10991f5288bfd742565413da8ac20ee831a56c28
sha256 96e0d3e5b2bea279a06bc2aac6bdc7a8dc6d77686af29b73cb97fcbe8302c0c8
sha512 4f94dab49824ee0e4662d527939939ecbb2d39603e721c4e895811e8de0c46e66036516eeb570ce2890ef4b741e373eecfefd906d7cc67d05eb945e2cefe95a1
ripemd-160 91b3d6abbe81266cafeb572b3dc693797dcb1827

686387872 as geometric shapes

Circle

Radius = n
Diameter 1372775744
Circumference 4312702192.3767
Area 1.4800932401976E+18

Sphere

Radius = n
Volume 1.3545573993344E+27
Surface area 5.9203729607903E+18
Circumference 4312702192.3767

Square

Length = n
Perimeter 2745551488
Area 471128310828688384
Diagonal 970699037.63081

Cube

Length = n
Surface area 2826769864972130304
Volume 3.2337675870866E+26
Space diagonal 1188858668.0031

Equilateral Triangle

Length = n
Perimeter 2059163616
Area 2.0400454280985E+17
Altitude 594429334.00154

Triangular Pyramid

Length = n
Surface area 2.0400454280985E+17
Volume 3.8110316493503E+25
Height 323566345.87694