687996868 (number)

687996868 is an even 9-digits composite number following 687996867 and preceding 687996869. In scientific notation, it is written as 6.87996868 × 10^8. The sum of its digits is 67. It has a total of 7 prime factors and 48 positive divisors. There are 298747392 positive integers (up to 687996868) that are relatively prime to 687996868.

Interesting facts

Basic properties

Name

Name six hundred eighty-seven million nine hundred ninety-six thousand eight hundred sixty-eight

Notation

Scientific notation 6.87996868 × 10^8
Engineering notation 6.87996868 × 10^6

Prime Factorization of 687996868

Prime Factorization 2 × 2 × 13 × 17 × 17 × 17 × 2693

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1190306
Product of the distinct prime numbers

The prime factorization of 687996868 is 2 × 2 × 13 × 17 × 17 × 17 × 2693. Since it has a total of 7 prime factors.

Most popular turbo-numbers

1, 10, 54, 89, 721, 595, 9013, 8639, 7821, 67571, 877493, 2491, 3707124, 6926988, 31754989, 20368133, 850915956, 7408491, 4476910719, 7370255839

Basic calculations (n = 687996868)

Multiplication

n×y
n×2 1375993736
n×3 2063990604
n×4 2751987472
n×5 3439984340

Division

n÷y
n÷2 343998434
n÷3 229332289.33333
n÷3 171999217
n÷5 137599373.6

Exponentiation

ny
n2 473339690377809424
n3 3.2565622448002E+26
n4 2.2405046248696E+35
n5 1.5414601646498E+44

Nth Root

y√n
2√n 26229.69439395
3√n 882.79965288721
4√n 161.9558408763
5√n 58.548704810373

Divisors of 687996868

1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 289, 442, 578, 884, 1156, 2693, 3757, 4913, 5386, 7514, 9826, 10772, 15028, 19652, 35009, 45781, 63869, 70018, 91562, 127738, 140036, 183124, 255476, 595153, 778277, 1190306, 1556554, 2380612, 3113108, 10117601, 13230709, 20235202, 26461418, 40470404, 52922836, 171999217, 343998434, 687996868

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -687996867
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 687996868 can be divided by 48 positive divisors. The sum of these divisors (counting 687996868) is 1, the average is 0.020833333333333.

Base conversion 687996868

Base System Value
2 Binary 101001000000011111111111000100
3 Ternary 1202221120212021111
4 Quaternary 221000133333010
5 Quinary 2402111344433
6 Senary 152134054404
8 Octal 5100377704
10 Decimal 687996868
12 Duodecimal 1724aa404
16 Hexadecimal 2901ffc4
20 Vigesimal aejjc38
36 Base36 bdm5s4

Cryptographic Hash Functions

md5 6840d646ac21c150d42f4a3d7a290553
sha1 aa096244ee910d8f7c6ba137c06ce18664055366
sha256 28e45b03527bf88cbe143da094a48b236d64b94738bc47f85e1583e6892b2004
sha512 8d8d559ce0ce406391022ef6c039b5efb3e64f806520096e7851a63965577f360cbed438a952c8e31158565b35aa394364cdc975cf20aeb2aec138a2b6e99f9b
ripemd-160 6d9f3da4f2accce7abee5a73620b6bfce9c8430e

687996868 as geometric shapes

Circle

Radius = n
Diameter 1375993736
Circumference 4322811812.4032
Area 1.4870404939434E+18

Sphere

Radius = n
Volume 1.3641056032296E+27
Surface area 5.9481619757736E+18
Circumference 4322811812.4032

Square

Length = n
Perimeter 2751987472
Area 473339690377809424
Diagonal 972974501.59581

Cube

Length = n
Surface area 2840038142266856544
Volume 3.2565622448002E+26
Space diagonal 1191645530.8243

Equilateral Triangle

Length = n
Perimeter 2063990604
Area 2.0496209824332E+17
Altitude 595822765.41213

Triangular Pyramid

Length = n
Surface area 2.0496209824332E+17
Volume 3.8378954110905E+25
Height 324324833.86527