685656388 (number)

685656388 is an even 9-digits composite number following 685656387 and preceding 685656389. In scientific notation, it is written as 6.85656388 × 10^8. The sum of its digits is 55. It has a total of 5 prime factors and 24 positive divisors. There are 331400160 positive integers (up to 685656388) that are relatively prime to 685656388.

Interesting facts

Basic properties

Name

Name six hundred eighty-five million six hundred fifty-six thousand three hundred eighty-eight

Notation

Scientific notation 6.85656388 × 10^8
Engineering notation 6.85656388 × 10^6

Prime Factorization of 685656388

Prime Factorization 2 × 2 × 31 × 1093 × 5059

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 342828194
Product of the distinct prime numbers

The prime factorization of 685656388 is 2 × 2 × 31 × 1093 × 5059. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 1, 56, 82, 442, 79, 507, 2389, 87796, 8955, 15268, 308231, 1405686, 4674686, 9560370, 15723264, 420226952, 831914882, 928702289, 5768683005

Basic calculations (n = 685656388)

Multiplication

n×y
n×2 1371312776
n×3 2056969164
n×4 2742625552
n×5 3428281940

Division

n÷y
n÷2 342828194
n÷3 228552129.33333
n÷3 171414097
n÷5 137131277.6

Exponentiation

ny
n2 470124682405206544
n3 3.223439916476E+26
n4 2.210172170066E+35
n5 1.5154186669855E+44

Nth Root

y√n
2√n 26185.04130224
3√n 881.79745727517
4√n 161.81792639334
5√n 58.508815407682

Divisors of 685656388

1, 2, 4, 31, 62, 124, 1093, 2186, 4372, 5059, 10118, 20236, 33883, 67766, 135532, 156829, 313658, 627316, 5529487, 11058974, 22117948, 171414097, 342828194, 685656388

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -685656387
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 685656388 can be divided by 24 positive divisors. The sum of these divisors (counting 685656388) is 1, the average is 0.041666666666667.

Base conversion 685656388

Base System Value
2 Binary 101000110111100100100101000100
3 Ternary 1202210011221202001
4 Quaternary 220313210211010
5 Quinary 2401012001023
6 Senary 152011555044
8 Octal 5067444504
10 Decimal 685656388
12 Duodecimal 17175ba84
16 Hexadecimal 28de4944
20 Vigesimal ae570j8
36 Base36 bc7zus

Cryptographic Hash Functions

md5 90c1075e64232bec5aa75e8789831252
sha1 977d70868504d48b73b000416f59fc2ef7a0bf57
sha256 5751b2bb693e0e01cb9db9d223932ba2c8759835f52860d904aac9b03a30646d
sha512 a2244365def19d71275bcb9745c4b9d5579f20d0c8f54f7cee6b8ddd836c2ab2c1d4d2ee533ef06a89d03c9172d82af0725444546f9569f5806bf85e4f479bcd
ripemd-160 55b6c0c9f9f92bcb8b095ebff2a9bf65899ac81e

685656388 as geometric shapes

Circle

Radius = n
Diameter 1371312776
Circumference 4308106142.8554
Area 1.4769402485154E+18

Sphere

Radius = n
Volume 1.3502313547852E+27
Surface area 5.9077609940617E+18
Circumference 4308106142.8554

Square

Length = n
Perimeter 2742625552
Area 470124682405206544
Diagonal 969664563.03735

Cube

Length = n
Surface area 2820748094431239264
Volume 3.223439916476E+26
Space diagonal 1187591700.5502

Equilateral Triangle

Length = n
Perimeter 2056969164
Area 2.035699589545E+17
Altitude 593795850.27508

Triangular Pyramid

Length = n
Surface area 2.035699589545E+17
Volume 3.7988603728126E+25
Height 323221521.01245