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.
1242987 has 4 divisors, whose sum is 1657320
The reverse of 1242987 is 7892421
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 33
Digital Root 6
Name
one million two hundred forty-two thousand nine hundred eighty-seven
Scientific notation
1.242987 × 10^6
Engineering notation
1.242987 × 10^6
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.
1 , 7 , 95 , 28 , 774 , 699 , 601 , 3066 , 91002 , 39714 , 902643 , 799200 , 7593824 , 4071931 , 44005505 , 78091662 , 683538745 , 84303658 , 3717323506 , 4091783330
n×2
2485974
n×3
3728961
n×4
4971948
n×5
6214935
n÷2
621493.5
n÷3
414329
n÷3
310746.75
n÷5
248597.4
n2
1545016682169
n3
1920435650719198803
n4
2.3870765481805E+24
n5
2.9671051173932E+30
2 √n
1114.8932684342
3 √n
107.51990257064
4 √n
33.390017496765
5 √n
16.553632801769
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
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
md5
fe08a25ef4eb7da7daab1d2e179bdcff
sha1
bdfd76c16ac4e354a88ebf1eb560efc77c784b16
sha256
27eb6cdb6bee846f9ae683b95dd580e67beb46220779bc0bc7dc9c7b898131a8
sha512
869f05185cd0c610ecb67fda23227a394659a4ce5d73341beb999a39668084c2ded0ee0d417aa618c7c5ddea955d3752d1d69a407f11851c2e8bc3dbbbc8087a
ripemd-160
5e3988135033487e59f55d97046a4d45c586f8f0
Diameter
2485974
Circumference
7809917.6554152
Area
4853813058375.8
Volume
8.0443020426552E+18
Surface area
19415252233503
Circumference
7809917.6554152
Perimeter
4971948
Area
1545016682169
Diagonal
1757849.0732534
Surface area
9270100093014
Volume
1920435650719198803
Space diagonal
2152916.6371476
Perimeter
3728961
Area
669011848014.55
Altitude
1076458.3185738
Surface area
669011848014.55
Volume
2.2632551190932E+17
Height
585949.69108448