688889888 (number)

688889888 is an even 9-digits composite number following 688889887 and preceding 688889889. In scientific notation, it is written as 6.88889888 × 10^8. The sum of its digits is 71. It has a total of 7 prime factors and 24 positive divisors. There are 343967040 positive integers (up to 688889888) that are relatively prime to 688889888.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.88889888 × 10^8
Engineering notation 6.88889888 × 10^6

Prime Factorization of 688889888

Prime Factorization 2 × 2 × 2 × 2 × 2 × 739 × 29131

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 43055618
Product of the distinct prime numbers

The prime factorization of 688889888 is 2 × 2 × 2 × 2 × 2 × 739 × 29131. Since it has a total of 7 prime factors.

Most popular turbo-numbers

6, 9, 90, 16, 813, 730, 6305, 8194, 39108, 88867, 663249, 302274, 4554851, 5919853, 54447335, 47689959, 18891620, 678271148, 5248866756, 5645330237

Basic calculations (n = 688889888)

Multiplication

n×y
n×2 1377779776
n×3 2066669664
n×4 2755559552
n×5 3444449440

Division

n÷y
n÷2 344444944
n÷3 229629962.66667
n÷3 172222472
n÷5 137777977.6

Exponentiation

ny
n2 474569277788652544
n3 3.2692597662407E+26
n4 2.2521599942084E+35
n5 1.5514902461683E+44

Nth Root

y√n
2√n 26246.711946452
3√n 883.18144575686
4√n 162.00836998887
5√n 58.563896169945

Divisors of 688889888

1, 2, 4, 8, 16, 32, 739, 1478, 2956, 5912, 11824, 23648, 29131, 58262, 116524, 233048, 466096, 932192, 21527809, 43055618, 86111236, 172222472, 344444944, 688889888

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 -688889887
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 688889888 can be divided by 24 positive divisors. The sum of these divisors (counting 688889888) is 1, the average is 0.041666666666667.

Base conversion 688889888

Base System Value
2 Binary 101001000011111010000000100000
3 Ternary 1210000021020021022
4 Quaternary 221003322000200
5 Quinary 2402323434023
6 Senary 152205145012
8 Octal 5103720040
10 Decimal 688889888
12 Duodecimal 17285b168
16 Hexadecimal 290fa020
20 Vigesimal af5b4e8
36 Base36 be5au8

Cryptographic Hash Functions

md5 4e78932ae6565737dfad0f97006e270f
sha1 9c02152d9b2b2e172c197e68908a0e09e20e78dd
sha256 7632466b171b45e14be09207ffac9dca1a3972b8f563b1f2a5d25b51e7a03eb8
sha512 9eee71a3f2969f32d93d2ec1d73caceb5a6dbad16d67de4604f908316cabd118d1165e2ade8f97e3ab54581b046bc0c812d32d71f7a73d8e2d37ff3e76d6c5a4
ripemd-160 f3108fdbcbf3cabf5a329fd465f98df0be203b6d

688889888 as geometric shapes

Circle

Radius = n
Diameter 1377779776
Circumference 4328422822.5462
Area 1.4909033567202E+18

Sphere

Radius = n
Volume 1.3694243285731E+27
Surface area 5.963613426881E+18
Circumference 4328422822.5462

Square

Length = n
Perimeter 2755559552
Area 474569277788652544
Diagonal 974237422.59128

Cube

Length = n
Surface area 2847415666731915264
Volume 3.2692597662407E+26
Space diagonal 1193192286.8364

Equilateral Triangle

Length = n
Perimeter 2066669664
Area 2.054945252103E+17
Altitude 596596143.41822

Triangular Pyramid

Length = n
Surface area 2.054945252103E+17
Volume 3.8528595836152E+25
Height 324745807.53043