686993961 (number)

686993961 is an odd 9-digits composite number following 686993960 and preceding 686993962. In scientific notation, it is written as 6.86993961 × 10^8. The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors. There are 457762640 positive integers (up to 686993961) that are relatively prime to 686993961.

Interesting facts

Basic properties

Name

Name six hundred eighty-six million nine hundred ninety-three thousand nine hundred sixty-one

Notation

Scientific notation 6.86993961 × 10^8
Engineering notation 6.86993961 × 10^6

Prime Factorization of 686993961

Prime Factorization 3 × 1997 × 114671

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 686993961
Product of the distinct prime numbers

The prime factorization of 686993961 is 3 × 1997 × 114671. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 7, 4, 88, 649, 861, 8500, 1370, 71140, 42039, 745383, 357204, 2393785, 2421494, 54691858, 84129121, 974229663, 111957367, 1519860166, 2638794383

Basic calculations (n = 686993961)

Multiplication

n×y
n×2 1373987922
n×3 2060981883
n×4 2747975844
n×5 3434969805

Division

n÷y
n÷2 343496980.5
n÷3 228997987
n÷3 171748490.25
n÷5 137398792.2

Exponentiation

ny
n2 471960702450469521
n3 3.2423415241279E+26
n4 2.2274690465754E+35
n5 1.5302577833117E+44

Nth Root

y√n
2√n 26210.569642799
3√n 882.37048595989
4√n 161.89678700579
5√n 58.531625321526

Divisors of 686993961

1, 3, 1997, 5991, 114671, 344013, 228997987, 686993961

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -686993960
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 686993961 can be divided by 8 positive divisors. The sum of these divisors (counting 686993961) is 1, the average is 0.125.

Base conversion 686993961

Base System Value
2 Binary 101000111100101011001000101001
3 Ternary 1202212200220112210
4 Quaternary 220330223020221
5 Quinary 2401332301321
6 Senary 152100355333
8 Octal 5074531051
10 Decimal 686993961
12 Duodecimal 1720a5b49
16 Hexadecimal 28f2b229
20 Vigesimal aede4i1
36 Base36 bd0nxl

Cryptographic Hash Functions

md5 4b1fc3bbb43282af1c3ce921e91b7d69
sha1 87cf61f82af6c1d74c61fe4239e8ed8f87b731a8
sha256 a92427289c410a40b07a15f90ec4edd81f73074fdd368f5da12b434590c41bf0
sha512 dcba2e413179bac7891003b70ad4c3262d6d5b4ad57608708fbb764d4dd1996b36b3d165e74cf948b731f3b7793695d726f1fad87cba4e5dc8c9a859535d646e
ripemd-160 71824f2af204b6c885b091c41d1bd4f0158d598d

686993961 as geometric shapes

Circle

Radius = n
Diameter 1373987922
Circumference 4316510361.8763
Area 1.4827082756015E+18

Sphere

Radius = n
Volume 1.3581488416839E+27
Surface area 5.9308331024059E+18
Circumference 4316510361.8763

Square

Length = n
Perimeter 2747975844
Area 471960702450469521
Diagonal 971556176.91461

Cube

Length = n
Surface area 2831764214702817126
Volume 3.2423415241279E+26
Space diagonal 1189908444.945

Equilateral Triangle

Length = n
Perimeter 2060981883
Area 2.0436497895503E+17
Altitude 594954222.4725

Triangular Pyramid

Length = n
Surface area 2.0436497895503E+17
Volume 3.8211361310559E+25
Height 323852058.97154