2687949 (number)

2687949 is an odd 7-digits composite number following 2687948 and preceding 2687950. In scientific notation, it is written as 2.687949 × 10^6. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 1542240 positive integers (up to 2687949) that are relatively prime to 2687949.

Interesting facts

Basic properties

Name

Name two million six hundred eighty-seven thousand nine hundred forty-nine

Notation

Scientific notation 2.687949 × 10^6
Engineering notation 2.687949 × 10^6

Prime Factorization of 2687949

Prime Factorization 9 × 11 × 19 × 1429

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2687949
Product of the distinct prime numbers

The prime factorization of 2687949 is 9 × 11 × 19 × 1429. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 2687949)

Multiplication

n×y
n×2 5375898
n×3 8063847
n×4 10751796
n×5 13439745

Division

n÷y
n÷2 1343974.5
n÷3 895983
n÷3 671987.25
n÷5 537589.8

Exponentiation

ny
n2 7225069826601
n3 1.9420619215342E+19
n4 5.220163399926E+25
n5 1.4031532990668E+32

Nth Root

y√n
2√n 1639.4965690723
3√n 139.04018643792
4√n 40.490697315215
5√n 19.314532685562

Divisors of 2687949

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 -2687948
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 2687949 can be divided by 16 positive divisors. The sum of these divisors (counting 2687949) is 1, the average is 0.0625.

Base conversion 2687949

Base System Value
2 Binary 1010010000001111001101
3 Ternary 12001120011200
4 Quaternary 22100033031
5 Quinary 1142003244
6 Senary 133340113
8 Octal 12201715
10 Decimal 2687949
12 Duodecimal a97639
16 Hexadecimal 2903cd
20 Vigesimal gfjh9
36 Base36 1lm19

Cryptographic Hash Functions

md5 84e30793423da4d93973a62aa1ec842e
sha1 bbad3465a0b25ea6524d2664e302c11558655b17
sha256 d94c69782ae57ce988c77c24b7bdd0ebdd27e347497e81190533f06fa6ff7190
sha512 0f0016c67c95a23b1adf37172e537ccae7e851d8f13383ea4856c3100351bc92c2e49391f3dabc2ce2eb0ed2fa37b097413a01e5f0b1573d676df13d12126f40
ripemd-160 ad2b2d88d7edf46b19865f9c893c6f032ecf4cca

2687949 as geometric shapes

Circle

Radius = n
Diameter 5375898
Circumference 16888881.663248
Area 22698226288923

Sphere

Radius = n
Volume 8.1348899540112E+19
Surface area 90792905155692
Circumference 16888881.663248

Square

Length = n
Perimeter 10751796
Area 7225069826601
Diagonal 3801333.9307672

Cube

Length = n
Surface area 43350418959606
Volume 1.9420619215342E+19
Space diagonal 4655664.236154

Equilateral Triangle

Length = n
Perimeter 8063847
Area 3128547006976.4
Altitude 2327832.118077

Triangular Pyramid

Length = n
Surface area 3128547006976.4
Volume 2.2887419236684E+18
Height 1267111.3102557