2138870 is an even 7-digits composite number following 2138869
and preceding 2138871 . In scientific notation, it is written as 2.138870 × 10^6.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 855544 positive integers (up to 2138870) that are relatively prime to 2138870.
2138870 has 8 divisors, whose sum is 3849984
The reverse of 2138870 is 0788312
Previous prime number is 5
Is Prime? no
Number parity even
Number length 7
Sum of Digits 29
Digital Root 2
Name
two million one hundred thirty-eight thousand eight hundred seventy
Scientific notation
2.138870 × 10^6
Engineering notation
2.138870 × 10^6
Prime Factorization
2 × 5 × 213887
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2138870
Product of the distinct prime numbers
The prime factorization of 2138870 is 2 × 5 × 213887.
Since it has a total of 3 prime factors.
7 , 7 , 4 , 14 , 28 , 204 , 4571 , 9374 , 47153 , 97832 , 107230 , 320681 , 6471465 , 6921355 , 60391594 , 12808871 , 692859337 , 357725319 , 7281322596 , 3303058188
n×2
4277740
n×3
6416610
n×4
8555480
n×5
10694350
n÷2
1069435
n÷3
712956.66666667
n÷3
534717.5
n÷5
427774
n2
4574764876900
n3
9.7848273522551E+18
n4
2.0928473678918E+25
n5
4.4763284497627E+31
2 √n
1462.4876067851
3 √n
128.84318826105
4 √n
38.242484317642
5 √n
18.451720940248
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
-2138869
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 2138870 can be divided by 8 positive divisors.
The sum of these divisors (counting 2138870) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000001010001011110110
3
Ternary
11000122222102
4
Quaternary
20022023312
5
Quinary
1021420440
6
Senary
113502102
8
Octal
10121366
10
Decimal
2138870
12
Duodecimal
871932
16
Hexadecimal
20a2f6
20
Vigesimal
d773a
36
Base36
19ud2
md5
693d51300b17dcfc17b0911d86e14938
sha1
8737f044765759c0ffb643f37161a776eb8dc429
sha256
01bb7a199db4f08eff0f5aab90decf7ea150519faf9240d0372ae6cf90f39276
sha512
c1e55c2e96aec3b1692d04b38116dc0a5f57d04950789afbd6e94790c566c62d4074981b95d775893ba2b2ff5b504d112a11d0aeb39622a3ed5fff680e17df07
ripemd-160
e933f540fe71680190d4ee2504cf41f34909b126
Diameter
4277740
Circumference
13438916.557967
Area
14372047729170
Volume
4.0986588968652E+19
Surface area
57488190916679
Circumference
13438916.557967
Perimeter
8555480
Area
4574764876900
Diagonal
3024818.9621529
Surface area
27448589261400
Volume
9.7848273522551E+18
Space diagonal
3704631.5107848
Perimeter
6416610
Area
1980931299868.1
Altitude
1852315.7553924
Surface area
1980931299868.1
Volume
1.1531529622532E+18
Height
1008272.9873843