686387871 (number)

686387871 is an odd 9-digits composite number following 686387870 and preceding 686387872. In scientific notation, it is written as 6.86387871 × 10^8. The sum of its digits is 54. It has a total of 5 prime factors and 16 positive divisors. There are 422392320 positive integers (up to 686387871) that are relatively prime to 686387871.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.86387871 × 10^8
Engineering notation 6.86387871 × 10^6

Prime Factorization of 686387871

Prime Factorization 3 × 3 × 3 × 13 × 1955521

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 76265319
Product of the distinct prime numbers

The prime factorization of 686387871 is 3 × 3 × 3 × 13 × 1955521. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 686387871)

Multiplication

n×y
n×2 1372775742
n×3 2059163613
n×4 2745551484
n×5 3431939355

Division

n÷y
n÷2 343193935.5
n÷3 228795957
n÷3 171596967.75
n÷5 137277574.2

Exponentiation

ny
n2 471128309455912641
n3 3.2337675729527E+26
n4 2.2196188397079E+35
n5 1.5235194498186E+44

Nth Root

y√n
2√n 26199.005152868
3√n 882.11092362155
4√n 161.86106744016
5√n 58.521293947307

Divisors of 686387871

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 -686387870
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 686387871 can be divided by 16 positive divisors. The sum of these divisors (counting 686387871) is 1, the average is 0.0625.

Base conversion 686387871

Base System Value
2 Binary 101000111010010111001010011111
3 Ternary 1202211120010011000
4 Quaternary 220322113022133
5 Quinary 2401203402441
6 Senary 152035401343
8 Octal 5072271237
10 Decimal 686387871
12 Duodecimal 171a53253
16 Hexadecimal 28e9729f
20 Vigesimal ae9i9db
36 Base36 bcno9r

Cryptographic Hash Functions

md5 0a62da624dbffba7d2c099cf4e6431f9
sha1 3f2cefbc2cac251cd8ca0532d3c3bf5829571e0f
sha256 779f9b635c69df2bcda6befab2b6431b791902cfd736ea39319510205985c55c
sha512 b19442cd0a2535d7ea8205c515a575e7ffc37e5e72f1a0e1d45d575258181ed7129744ad40cbbf67058c6f630ec2ad97b13a892c6be22c52aa80761a65192101
ripemd-160 10c0759f09c7b4b799f7a350ae2f2aa656360bd3

686387871 as geometric shapes

Circle

Radius = n
Diameter 1372775742
Circumference 4312702186.0935
Area 1.4800932358849E+18

Sphere

Radius = n
Volume 1.354557393414E+27
Surface area 5.9203729435395E+18
Circumference 4312702186.0935

Square

Length = n
Perimeter 2745551484
Area 471128309455912641
Diagonal 970699036.21659

Cube

Length = n
Surface area 2826769856735475846
Volume 3.2337675729527E+26
Space diagonal 1188858666.271

Equilateral Triangle

Length = n
Perimeter 2059163613
Area 2.0400454221542E+17
Altitude 594429333.13552

Triangular Pyramid

Length = n
Surface area 2.0400454221542E+17
Volume 3.8110316326934E+25
Height 323566345.40553