1242987 (number)

1242987 is an odd 7-digits composite number following 1242986 and preceding 1242988. In scientific notation, it is written as 1.242987 × 10^6. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 828656 positive integers (up to 1242987) that are relatively prime to 1242987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.242987 × 10^6
Engineering notation 1.242987 × 10^6

Prime Factorization of 1242987

Prime Factorization 3 × 414329

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1242987
Product of the distinct prime numbers

The prime factorization of 1242987 is 3 × 414329. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1242987)

Multiplication

n×y
n×2 2485974
n×3 3728961
n×4 4971948
n×5 6214935

Division

n÷y
n÷2 621493.5
n÷3 414329
n÷3 310746.75
n÷5 248597.4

Exponentiation

ny
n2 1545016682169
n3 1920435650719198803
n4 2.3870765481805E+24
n5 2.9671051173932E+30

Nth Root

y√n
2√n 1114.8932684342
3√n 107.51990257064
4√n 33.390017496765
5√n 16.553632801769

Divisors of 1242987

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 -1242986
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 1242987 can be divided by 4 positive divisors. The sum of these divisors (counting 1242987) is 1, the average is 0.25.

Base conversion 1242987

Base System Value
2 Binary 100101111011101101011
3 Ternary 2100011001120
4 Quaternary 10233131223
5 Quinary 304233422
6 Senary 42350323
8 Octal 4573553
10 Decimal 1242987
12 Duodecimal 4bb3a3
16 Hexadecimal 12f76b
20 Vigesimal 7f797
36 Base36 qn3f

Cryptographic Hash Functions

md5 fe08a25ef4eb7da7daab1d2e179bdcff
sha1 bdfd76c16ac4e354a88ebf1eb560efc77c784b16
sha256 27eb6cdb6bee846f9ae683b95dd580e67beb46220779bc0bc7dc9c7b898131a8
sha512 869f05185cd0c610ecb67fda23227a394659a4ce5d73341beb999a39668084c2ded0ee0d417aa618c7c5ddea955d3752d1d69a407f11851c2e8bc3dbbbc8087a
ripemd-160 5e3988135033487e59f55d97046a4d45c586f8f0

1242987 as geometric shapes

Circle

Radius = n
Diameter 2485974
Circumference 7809917.6554152
Area 4853813058375.8

Sphere

Radius = n
Volume 8.0443020426552E+18
Surface area 19415252233503
Circumference 7809917.6554152

Square

Length = n
Perimeter 4971948
Area 1545016682169
Diagonal 1757849.0732534

Cube

Length = n
Surface area 9270100093014
Volume 1920435650719198803
Space diagonal 2152916.6371476

Equilateral Triangle

Length = n
Perimeter 3728961
Area 669011848014.55
Altitude 1076458.3185738

Triangular Pyramid

Length = n
Surface area 669011848014.55
Volume 2.2632551190932E+17
Height 585949.69108448