2687921 (number)

2687921 is an odd 7-digits composite number following 2687920 and preceding 2687922. In scientific notation, it is written as 2.687921 × 10^6. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 2529792 positive integers (up to 2687921) that are relatively prime to 2687921.

Interesting facts

Basic properties

Name

Name two million six hundred eighty-seven thousand nine hundred twenty-one

Notation

Scientific notation 2.687921 × 10^6
Engineering notation 2.687921 × 10^6

Prime Factorization of 2687921

Prime Factorization 17 × 158113

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 2687921
Product of the distinct prime numbers

The prime factorization of 2687921 is 17 × 158113. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2687921)

Multiplication

n×y
n×2 5375842
n×3 8063763
n×4 10751684
n×5 13439605

Division

n÷y
n÷2 1343960.5
n÷3 895973.66666667
n÷3 671980.25
n÷5 537584.2

Exponentiation

ny
n2 7224919302241
n3 1.9420012315799E+19
n4 5.2199458923895E+25
n5 1.4030802183017E+32

Nth Root

y√n
2√n 1639.4880298435
3√n 139.03970364866
4√n 40.490591868278
5√n 19.314492446021

Divisors of 2687921

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -2687920
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 2687921 can be divided by 4 positive divisors. The sum of these divisors (counting 2687921) is 1, the average is 0.25.

Base conversion 2687921

Base System Value
2 Binary 1010010000001110110001
3 Ternary 12001120010122
4 Quaternary 22100032301
5 Quinary 1142003141
6 Senary 133340025
8 Octal 12201661
10 Decimal 2687921
12 Duodecimal a97615
16 Hexadecimal 2903b1
20 Vigesimal gfjg1
36 Base36 1lm0h

Cryptographic Hash Functions

md5 2838339da1ccebfdcb074088aa328361
sha1 d5ca20a575544fa0e4c95d3573fc4e95055e1136
sha256 5ac77f60de531387f3582c2e9c39936832831b5405bc43d76f701ee1b861862b
sha512 080189b5cb31e979e5513942c84b4063a39188caccdb29543df538c8faa39269b016b0f821a31cee4fc375a2de47f1bc3eead8ce138fbf2bb1f940538200c982
ripemd-160 bb788686adfe7658fb7d4414afc41aadcebba2e5

2687921 as geometric shapes

Circle

Radius = n
Diameter 5375842
Circumference 16888705.734059
Area 22697753402699

Sphere

Radius = n
Volume 8.134635736525E+19
Surface area 90791013610798
Circumference 16888705.734059

Square

Length = n
Perimeter 10751684
Area 7224919302241
Diagonal 3801294.3327875

Cube

Length = n
Surface area 43349515813446
Volume 1.9420012315799E+19
Space diagonal 4655615.7387313

Equilateral Triangle

Length = n
Perimeter 8063763
Area 3128481828016.6
Altitude 2327807.8693657

Triangular Pyramid

Length = n
Surface area 3128481828016.6
Volume 2.2886703998713E+18
Height 1267098.1109292