2147890 is an even 7-digits composite number following 2147889
and preceding 2147891 . In scientific notation, it is written as 2.147890 × 10^6.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 859152 positive integers (up to 2147890) that are relatively prime to 2147890.
2147890 has 8 divisors, whose sum is 3866220
The reverse of 2147890 is 0987412
Previous prime number is 5
Is Prime? no
Number parity even
Number length 7
Sum of Digits 31
Digital Root 4
Name
two million one hundred forty-seven thousand eight hundred ninety
Scientific notation
2.147890 × 10^6
Engineering notation
2.147890 × 10^6
Prime Factorization
2 × 5 × 214789
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2147890
Product of the distinct prime numbers
The prime factorization of 2147890 is 2 × 5 × 214789.
Since it has a total of 3 prime factors.
4 , 9 , 25 , 89 , 226 , 943 , 4953 , 7281 , 77494 , 37604 , 940877 , 692274 , 4972855 , 9868081 , 61311371 , 13524309 , 668249811 , 724310393 , 894939314 , 8123271525
n×2
4295780
n×3
6443670
n×4
8591560
n×5
10739450
n÷2
1073945
n÷3
715963.33333333
n÷3
536972.5
n÷5
429578
n2
4613431452100
n3
9.9091432816511E+18
n4
2.1283749763226E+25
n5
4.5715153278934E+31
2 √n
1465.5681492172
3 √n
129.02405256288
4 √n
38.28273957304
5 √n
18.467257600021
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2147889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2147890 can be divided by 8 positive divisors.
The sum of these divisors (counting 2147890) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000001100011000110010
3
Ternary
11001010100111
4
Quaternary
20030120302
5
Quinary
1022213030
6
Senary
114011534
8
Octal
10143062
10
Decimal
2147890
12
Duodecimal
876baa
16
Hexadecimal
20c632
20
Vigesimal
d89ea
36
Base36
1a1bm
md5
9a8548b2adb3216e9a04fea05a3bfd25
sha1
17741cba3a956bd227abb78058bc4cdcb2ca1d08
sha256
3b9671dfe3219d99cb1b14504a8b05b537b35e57f951441384fe5c23b22024a1
sha512
2ed7183baa92b3400c9b8da8f4769668b5b289da3c3d3651d87655c394bb8311b8f2d397a99b23f35bb8ee9f5bf9c71134b8d3e35adf0c4cce2c000293ef103c
ripemd-160
0d60363d959a1f3670a351fbc9d1068c247b03ff
Diameter
4295780
Circumference
13495590.889438
Area
14493522357757
Volume
4.1507322316005E+19
Surface area
57974089431030
Circumference
13495590.889438
Perimeter
8591560
Area
4613431452100
Diagonal
3037575.1684855
Surface area
27680588712600
Volume
9.9091432816511E+18
Space diagonal
3720254.6090691
Perimeter
6443670
Area
1997674418068.4
Altitude
1860127.3045346
Surface area
1997674418068.4
Volume
1.1678037350341E+18
Height
1012525.0561618