686388906 (number)

686388906 is an even 9-digits composite number following 686388905 and preceding 686388907. In scientific notation, it is written as 6.86388906 × 10^8. The sum of its digits is 54. It has a total of 6 prime factors and 64 positive divisors. There are 183149568 positive integers (up to 686388906) that are relatively prime to 686388906.

Interesting facts

Basic properties

Name

Name six hundred eighty-six million three hundred eighty-eight thousand nine hundred six

Notation

Scientific notation 6.86388906 × 10^8
Engineering notation 6.86388906 × 10^6

Prime Factorization of 686388906

Prime Factorization 2 × 3 × 21 × 137 × 17 × 2339

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 686388906
Product of the distinct prime numbers

The prime factorization of 686388906 is 2 × 3 × 21 × 137 × 17 × 2339. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 4, 48, 91, 823, 362, 7989, 827, 5461, 26010, 306259, 733663, 7933732, 5442522, 43315967, 65761296, 573502215, 955857736, 5150888434, 7850246656

Basic calculations (n = 686388906)

Multiplication

n×y
n×2 1372777812
n×3 2059166718
n×4 2745555624
n×5 3431944530

Division

n÷y
n÷2 343194453
n÷3 228796302
n÷3 171597226.5
n÷5 137277781.2

Exponentiation

ny
n2 471129730279876836
n3 3.2337822015088E+26
n4 2.2196322275359E+35
n5 1.5235309363807E+44

Nth Root

y√n
2√n 26199.024905519
3√n 882.11136699785
4√n 161.86112845745
5√n 58.521311596075

Divisors of 686388906

1, 2, 3, 6, 17, 21, 34, 42, 51, 63, 102, 126, 137, 274, 357, 411, 714, 822, 1071, 2142, 2329, 2339, 2877, 4658, 4678, 5754, 6987, 7017, 8631, 13974, 14034, 17262, 39763, 48909, 49119, 79526, 97818, 98238, 119289, 146727, 147357, 238578, 293454, 294714, 320443, 640886, 835023, 961329, 1670046, 1922658, 2505069, 5010138, 5447531, 6729303, 10895062, 13458606, 16342593, 20187909, 32685186, 40375818, 114398151, 228796302, 343194453, 686388906

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -686388905
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 686388906 can be divided by 64 positive divisors. The sum of these divisors (counting 686388906) is 1, the average is 0.015625.

Base conversion 686388906

Base System Value
2 Binary 101000111010010111011010101010
3 Ternary 1202211120011120100
4 Quaternary 220322113122222
5 Quinary 2401203421111
6 Senary 152035410230
8 Octal 5072273252
10 Decimal 686388906
12 Duodecimal 171a53976
16 Hexadecimal 28e976aa
20 Vigesimal ae9ic56
36 Base36 bcnp2i

Cryptographic Hash Functions

md5 28f432aee20b767adfe7303a4cf025cf
sha1 32468fc45cdc978c41c52ed793f928dcf6c12c62
sha256 c1d2a2c434fabe9b231268091e0585f0af25be4f2aeaf4bda07db469fdd3c5ef
sha512 d23bbef82ecf54c516b46c06f1f8eb90bddb214f934083bd2f91c516c3d1dbcedd4032cb6ae4497185380ce2d478658b08dcceb011bc8083e95ce5df732899da
ripemd-160 924ade1b82b4d7a85d20458135c86b04296550b9

686388906 as geometric shapes

Circle

Radius = n
Diameter 1372777812
Circumference 4312708689.1903
Area 1.480097699535E+18

Sphere

Radius = n
Volume 1.3545635210093E+27
Surface area 5.92039079814E+18
Circumference 4312708689.1903

Square

Length = n
Perimeter 2745555624
Area 471129730279876836
Diagonal 970700499.92763

Cube

Length = n
Surface area 2826778381679261016
Volume 3.2337822015088E+26
Space diagonal 1188860458.9436

Equilateral Triangle

Length = n
Perimeter 2059166718
Area 2.0400515745024E+17
Altitude 594430229.47181

Triangular Pyramid

Length = n
Surface area 2.0400515745024E+17
Volume 3.8110488726121E+25
Height 323566833.30921