688988894 (number)

688988894 is an even 9-digits composite number following 688988893 and preceding 688988895. In scientific notation, it is written as 6.88988894 × 10^8. The sum of its digits is 68. It has a total of 4 prime factors and 16 positive divisors. There are 311299800 positive integers (up to 688988894) that are relatively prime to 688988894.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.88988894 × 10^8
Engineering notation 6.88988894 × 10^6

Prime Factorization of 688988894

Prime Factorization 2 × 11 × 167 × 187531

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 688988894
Product of the distinct prime numbers

The prime factorization of 688988894 is 2 × 11 × 167 × 187531. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 2, 30, 89, 93, 99, 1165, 4226, 44039, 82161, 22359, 905420, 6553927, 9744743, 42063816, 47447009, 707864475, 826814385, 4274472018, 293398872

Basic calculations (n = 688988894)

Multiplication

n×y
n×2 1377977788
n×3 2066966682
n×4 2755955576
n×5 3444944470

Division

n÷y
n÷2 344494447
n÷3 229662964.66667
n÷3 172247223.5
n÷5 137797778.8

Exponentiation

ny
n2 474705696055343236
n3 3.2706695250067E+26
n4 2.2534549786739E+35
n5 1.5526054534353E+44

Nth Root

y√n
2√n 26248.597943509
3√n 883.22375347306
4√n 162.01419056215
5√n 58.565579412482

Divisors of 688988894

1, 2, 11, 22, 167, 334, 1837, 3674, 187531, 375062, 2062841, 4125682, 31317677, 62635354, 344494447, 688988894

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 -688988893
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 688988894 can be divided by 16 positive divisors. The sum of these divisors (counting 688988894) is 1, the average is 0.0625.

Base conversion 688988894

Base System Value
2 Binary 101001000100010010001011011110
3 Ternary 1210000110021002012
4 Quaternary 221010102023132
5 Quinary 2402340121034
6 Senary 152211231222
8 Octal 5104221336
10 Decimal 688988894
12 Duodecimal 1728a8512
16 Hexadecimal 291122de
20 Vigesimal af63c4e
36 Base36 be7f8e

Cryptographic Hash Functions

md5 2e9bce8d4af7c53d88079a1bef624982
sha1 95eff4211967cb674b228f5ba92008a147f5be7e
sha256 e7be08e0bf2752467235e34b0968f93dc961ce864cd3dd0024a83378795102fa
sha512 dafc7b3d7902ee5c8216c902be298fb57c8ca7986ad5d09958cfa68feba6d7c347daec711185f785c3c81c1ea80f0afb5c30f64dd6fbca2e38aaab5b059f79a5
ripemd-160 d8f9c6b83fd31af47e72b1745e38c785ea141b51

688988894 as geometric shapes

Circle

Radius = n
Diameter 1377977788
Circumference 4329044895.5907
Area 1.4913319273447E+18

Sphere

Radius = n
Volume 1.3700148469441E+27
Surface area 5.9653277093788E+18
Circumference 4329044895.5907

Square

Length = n
Perimeter 2755955576
Area 474705696055343236
Diagonal 974377438.21924

Cube

Length = n
Surface area 2848234176332059416
Volume 3.2706695250067E+26
Space diagonal 1193363770.2587

Equilateral Triangle

Length = n
Perimeter 2066966682
Area 2.0555359605255E+17
Altitude 596681885.12934

Triangular Pyramid

Length = n
Surface area 2.0555359605255E+17
Volume 3.8545210002541E+25
Height 324792479.40641