1986989 is an odd 7-digits prime number following 1986988
and preceding 1986990 . In scientific notation, it is written as 1.986989 × 10^6.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 1986988 positive integers (up to 1986989) that are relatively prime to 1986989.
1986989 has 2 divisors, whose sum is 1986990
The reverse of 1986989 is 9896891
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 7
Sum of Digits 50
Digital Root 5
Name
one million nine hundred eighty-six thousand nine hundred eighty-nine
Scientific notation
1.986989 × 10^6
Engineering notation
1.986989 × 10^6
Prime Factorization
1986989
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1986989
Product of the distinct prime numbers
The prime factorization of 1986989 is 1986989.
Since it has a total of 1 prime factors.
6 , 4 , 91 , 71 , 167 , 540 , 5781 , 2143 , 47653 , 61113 , 347564 , 569816 , 3057049 , 8049970 , 87402248 , 57570592 , 769976686 , 319234520 , 815649244 , 4434771484
n×2
3973978
n×3
5960967
n×4
7947956
n×5
9934945
n÷2
993494.5
n÷3
662329.66666667
n÷3
496747.25
n÷5
397397.8
n2
3948125286121
n3
7844881514144279669
n4
1.5587693274908E+25
n5
3.0972575072616E+31
2 √n
1409.6059733131
3 √n
125.71829649492
4 √n
37.544719646218
5 √n
18.181892788467
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1986990
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
993495
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1409.6063280221
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999989934524
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1986989 can be divided by 2 positive divisors.
The sum of these divisors (counting 1986989) is 1986990, the average is 993495.
Base
System
Value
2
Binary
111100101000110101101
3
Ternary
10201221122012
4
Quaternary
13211012231
5
Quinary
1002040424
6
Senary
110331005
8
Octal
7450655
10
Decimal
1986989
12
Duodecimal
7b9a65
16
Hexadecimal
1e51ad
20
Vigesimal
c8799
36
Base36
16l65
md5
c349150e28d77c86fe9776958ddd30b3
sha1
ab5bf513814fe7a33923f75ab28ac0de86342ea1
sha256
f9120c2aba90f634b9cc0620ed2bbfd04ab1156e261b8c7cd3aef23fa634274e
sha512
36357d04f8af5d5f15a0d753b6c07b3be8e50c2d6bf7167cff01aa472b3a08b04557bda32abf30826cb957f860bac4e6fd6e3dffd532affc7608a017c31f0eda
ripemd-160
34280a78f680799d778bca95a312a85d6d486160
Diameter
3973978
Circumference
12484620.090327
Area
12403401394330
Volume
3.2860562844157E+19
Surface area
49613605577319
Circumference
12484620.090327
Perimeter
7947956
Area
3948125286121
Diagonal
2810026.7920862
Surface area
23688751716726
Volume
7844881514144279669
Space diagonal
3441565.9020805
Perimeter
5960967
Area
1709588397552.2
Altitude
1720782.9510402
Surface area
1709588397552.2
Volume
9.245281527094E+17
Height
936675.59736205