987491 is an odd 6-digits prime number following 987490
and preceding 987492 . In scientific notation, it is written as 9.87491 × 10^5.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 987490 positive integers (up to 987491) that are relatively prime to 987491.
987491 has 2 divisors, whose sum is 987492
The reverse of 987491 is 194789
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 6
Sum of Digits 38
Digital Root 2
Name
nine hundred eighty-seven thousand four hundred ninety-one
Scientific notation
9.87491 × 10^5
Engineering notation
9.87491 × 10^3
Prime Factorization
987491
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
987491
Product of the distinct prime numbers
The prime factorization of 987491 is 987491.
Since it has a total of 1 prime factors.
9 , 7 , 73 , 16 , 155 , 63 , 4698 , 3792 , 53005 , 50384 , 738691 , 105277 , 1959509 , 3459317 , 26394706 , 1063594 , 205329859 , 726188689 , 9788439813 , 5272128151
n×2
1974982
n×3
2962473
n×4
3949964
n×5
4937455
n÷2
493745.5
n÷3
329163.66666667
n÷3
246872.75
n÷5
197498.2
n2
975138475081
n3
962940467896211771
n4
9.508950455833E+23
n5
9.390002994581E+29
2 √n
993.72581731582
3 √n
99.581282537242
4 √n
31.523416967642
5 √n
15.809081167477
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
987492
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
493746
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
993.72632047259
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999979746671
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 987491 can be divided by 2 positive divisors.
The sum of these divisors (counting 987491) is 987492, the average is 493746.
Base
System
Value
2
Binary
11110001000101100011
3
Ternary
1212011120202
4
Quaternary
3301011203
5
Quinary
223044431
6
Senary
33055415
8
Octal
3610543
10
Decimal
987491
12
Duodecimal
3b756b
16
Hexadecimal
f1163
20
Vigesimal
638eb
36
Base36
l5yb
md5
cad9a69e2b3c6e50aef7921afe8efc0e
sha1
13c30d3116bd29b5fb51f162548bc432248e0390
sha256
3fbbe87416975e6c096ae4e41ee43215a33dcce9cc34534b277ad0557a4df3b8
sha512
28eeec882024dec51de6af8aea03d87ad08d80a6834138749c7749056fcf1f82451a440d964e52636df259c392bd6ef1500ede41a6aa70f63f012e6ba784289a
ripemd-160
69e469eb00c45707402436a17595a7472a7f9643
Diameter
1974982
Circumference
6204588.9421721
Area
3063487869547.2
Volume
4.0335555997161E+18
Surface area
12253951478189
Circumference
6204588.9421721
Perimeter
3949964
Area
975138475081
Diagonal
1396523.1649214
Surface area
5850830850486
Volume
962940467896211771
Space diagonal
1710384.584017
Perimeter
2962473
Area
422247345813.88
Altitude
855192.2920085
Surface area
422247345813.88
Volume
1.1348362245473E+17
Height
465507.72164046