688008081 (number)

688008081 is an odd 9-digits composite number following 688008080 and preceding 688008082. In scientific notation, it is written as 6.88008081 × 10^8. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 438955200 positive integers (up to 688008081) that are relatively prime to 688008081.

Interesting facts

Basic properties

Name

Name six hundred eighty-eight million eight thousand eighty-one

Notation

Scientific notation 6.88008081 × 10^8
Engineering notation 6.88008081 × 10^6

Prime Factorization of 688008081

Prime Factorization 3 × 37 × 61 × 101611

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 688008081
Product of the distinct prime numbers

The prime factorization of 688008081 is 3 × 37 × 61 × 101611. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 688008081)

Multiplication

n×y
n×2 1376016162
n×3 2064024243
n×4 2752032324
n×5 3440040405

Division

n÷y
n÷2 344004040.5
n÷3 229336027
n÷3 172002020.25
n÷5 137601616.2

Exponentiation

ny
n2 473355119521302561
n3 3.2567214741338E+26
n4 2.2406506917703E+35
n5 1.5415857826362E+44

Nth Root

y√n
2√n 26229.908139374
3√n 882.80444882897
4√n 161.95650076293
5√n 58.548895654947

Divisors of 688008081

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 -688008080
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 688008081 can be divided by 16 positive divisors. The sum of these divisors (counting 688008081) is 1, the average is 0.0625.

Base conversion 688008081

Base System Value
2 Binary 101001000000100010101110010001
3 Ternary 1202221121102122210
4 Quaternary 221000202232101
5 Quinary 2402112224311
6 Senary 152134222333
8 Octal 5100425621
10 Decimal 688008081
12 Duodecimal 1724b49a9
16 Hexadecimal 29022b91
20 Vigesimal af01041
36 Base36 bdmefl

Cryptographic Hash Functions

md5 8ee07d397bdba6155acb9aff1d73b13e
sha1 b329449c2d353db05aed1613537dcc4de2c90553
sha256 4e592897656edf2b659591c105428eb7f57fbb5d454e7d8b0feb7b7e75b5b44e
sha512 5121852e2ee553f2f9c536b49fab576ebc7c42ce0e3f1fe34b12cd56bc82712e0262f5a74bab0d43e52d843dd83d6e13be425810d57bae182b3ee50ce88b59f5
ripemd-160 82e8d6a4ce6ac135c5d76cc632b9e22cf4c3b657

688008081 as geometric shapes

Circle

Radius = n
Diameter 1376016162
Circumference 4322882265.76
Area 1.4870889660272E+18

Sphere

Radius = n
Volume 1.3641723010569E+27
Surface area 5.948355864109E+18
Circumference 4322882265.76

Square

Length = n
Perimeter 2752032324
Area 473355119521302561
Diagonal 972990359.17249

Cube

Length = n
Surface area 2840130717127815366
Volume 3.2567214741338E+26
Space diagonal 1191664952.31

Equilateral Triangle

Length = n
Perimeter 2064024243
Area 2.0496877925843E+17
Altitude 595832476.15498

Triangular Pyramid

Length = n
Surface area 2.0496877925843E+17
Volume 3.8380830646597E+25
Height 324330119.72416