2021087 is an odd 7-digits composite number following 2021086
and preceding 2021088 . In scientific notation, it is written as 2.021087 × 10^6.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 1914696 positive integers (up to 2021087) that are relatively prime to 2021087.
2021087 has 4 divisors, whose sum is 2127480
The reverse of 2021087 is 7801202
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 20
Digital Root 2
Name
two million twenty-one thousand eighty-seven
Scientific notation
2.021087 × 10^6
Engineering notation
2.021087 × 10^6
Prime Factorization
19 × 106373
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2021087
Product of the distinct prime numbers
The prime factorization of 2021087 is 19 × 106373.
Since it has a total of 2 prime factors.
2 , 7 , 88 , 10 , 198 , 650 , 2699 , 2811 , 57373 , 27898 , 485685 , 213696 , 6800670 , 1120411 , 1662750 , 29924589 , 42108006 , 647395972 , 3744905823 , 2882649613
n×2
4042174
n×3
6063261
n×4
8084348
n×5
10105435
n÷2
1010543.5
n÷3
673695.66666667
n÷3
505271.75
n÷5
404217.4
n2
4084792661569
n3
8255721345992505503
n4
1.6685531088008E+25
n5
3.3722909970069E+31
2 √n
1421.6493941897
3 √n
126.43335707646
4 √n
37.704766199908
5 √n
18.243871377364
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
-2021086
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 2021087 can be divided by 4 positive divisors.
The sum of these divisors (counting 2021087) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101101011011011111
3
Ternary
10210200102002
4
Quaternary
13231123133
5
Quinary
1004133322
6
Senary
111152515
8
Octal
7553337
10
Decimal
2021087
12
Duodecimal
81573b
16
Hexadecimal
1ed6df
20
Vigesimal
ccce7
36
Base36
17bhb
md5
5f4cc56597b26bf0692d06757cefa1a5
sha1
a2e87893e723df33b904db576d2c556853b29bc8
sha256
906461d4c1c3a1bdf7ef232fddecb79af9d5d40b300d87a7c748fa93f339c46d
sha512
0452a0b471bebe5a2508568a68cd6370799595d7330b1ebe36f3a01145a72d4b6d7087e36930f05deaf0283e216ddcc46b8af90b2cfaead6c866ccf76fb46e44
ripemd-160
e944aba2480ad3f9693b99f6482641d9aa0834df
Diameter
4042174
Circumference
12698864.142932
Area
12832754617023
Volume
3.4581484707539E+19
Surface area
51331018468091
Circumference
12698864.142932
Perimeter
8084348
Area
4084792661569
Diagonal
2858248.646136
Surface area
24508755969414
Volume
8255721345992505503
Space diagonal
3500625.370517
Perimeter
6063261
Area
1768767107055.5
Altitude
1750312.6852585
Surface area
1768767107055.5
Volume
9.7294609122297E+17
Height
952749.54871198