2987890 is an even 7-digits composite number following 2987889
and preceding 2987891 . In scientific notation, it is written as 2.987890 × 10^6.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 1178496 positive integers (up to 2987890) that are relatively prime to 2987890.
2987890 has 16 divisors, whose sum is 5453208
The reverse of 2987890 is 0987892
Previous prime number is 73
Is Prime? no
Number parity even
Number length 7
Sum of Digits 43
Digital Root 7
Name
two million nine hundred eighty-seven thousand eight hundred ninety
Scientific notation
2.987890 × 10^6
Engineering notation
2.987890 × 10^6
Prime Factorization
2 × 5 × 73 × 4093
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2987890
Product of the distinct prime numbers
The prime factorization of 2987890 is 2 × 5 × 73 × 4093.
Since it has a total of 4 prime factors.
3 , 10 , 77 , 34 , 697 , 133 , 2922 , 7392 , 39013 , 83214 , 831381 , 537858 , 4414586 , 8528568 , 71648519 , 5812152 , 663342916 , 795738694 , 4296563766 , 3057138788
n×2
5975780
n×3
8963670
n×4
11951560
n×5
14939450
n÷2
1493945
n÷3
995963.33333333
n÷3
746972.5
n÷5
597578
n2
8927486652100
n3
2.6674348092943E+19
n4
7.9700017923424E+25
n5
2.3813488655322E+32
2 √n
1728.5514166492
3 √n
144.03063262925
4 √n
41.575851364094
5 √n
19.727539469123
1 , 2 , 5 , 10 , 73 , 146 , 365 , 730 , 4093 , 8186 , 20465 , 40930 , 298789 , 597578 , 1493945 , 2987890
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
-2987889
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 2987890 can be divided by 16 positive divisors.
The sum of these divisors (counting 2987890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1011011001011101110010
3
Ternary
12121210121121
4
Quaternary
23121131302
5
Quinary
1231103030
6
Senary
144012454
8
Octal
13313562
10
Decimal
2987890
12
Duodecimal
100112a
16
Hexadecimal
2d9772
20
Vigesimal
id9ea
36
Base36
1s1gy
md5
5d4bb9374489dd1221847aedd5a0b907
sha1
b70e671591466b28603cd4fea8296be628ad1a04
sha256
79cfa3999364003509fddaff5629da0d168f81f650c291ef5d7300d0291cc7f7
sha512
71731717d0738e5ee21006a6df01f3e60e2873edf18ab1da28e7aacff5842073c0514fdc0d7d5b4b11709881c23527b7aea468e2b0d8bcef3eb9e78cafd9fdd6
ripemd-160
3b39a10fea90d8d697d398a1647931a3159b4a4f
Diameter
5975780
Circumference
18773466.547469
Area
28046526481258
Volume
1.1173324801078E+20
Surface area
1.1218610592503E+14
Circumference
18773466.547469
Perimeter
11951560
Area
8927486652100
Diagonal
4225514.5608789
Surface area
53564919912600
Volume
2.6674348092943E+19
Space diagonal
5175177.287427
Perimeter
8963670
Area
3865715116332.5
Altitude
2587588.6437135
Surface area
3865715116332.5
Volume
3.1436020700417E+18
Height
1408504.8536263