21131489 is an odd 8-digits prime number following 21131488
and preceding 21131490 . In scientific notation, it is written as 2.1131489 × 10^7.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 21131488 positive integers (up to 21131489) that are relatively prime to 21131489.
21131489 has 2 divisors, whose sum is 21131490
The reverse of 21131489 is 98413112
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million one hundred thirty-one thousand four hundred eighty-nine
Scientific notation
2.1131489 × 10^7
Engineering notation
2.1131489 × 10^6
Prime Factorization
21131489
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21131489
Product of the distinct prime numbers
The prime factorization of 21131489 is 21131489.
Since it has a total of 1 prime factors.
1 , 10 , 2 , 54 , 937 , 770 , 475 , 8171 , 16206 , 32841 , 775921 , 688235 , 5545654 , 4880337 , 42540202 , 89426084 , 330872453 , 749583135 , 7801964818 , 8552061414
n×2
42262978
n×3
63394467
n×4
84525956
n×5
105657445
n÷2
10565744.5
n÷3
7043829.6666667
n÷3
5282872.25
n÷5
4226297.8
n2
446539827357121
n3
9.4360514498589E+21
n4
1.9939781741613E+29
n5
4.2135727853529E+36
2 √n
4596.8999336509
3 √n
276.46704249618
4 √n
67.800441987136
5 √n
29.173331032198
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21131490
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10565745
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4596.9000424199
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999053545
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21131489 can be divided by 2 positive divisors.
The sum of these divisors (counting 21131489) is 21131490, the average is 10565745.
Base
System
Value
2
Binary
1010000100111000011100001
3
Ternary
1110202120221202
4
Quaternary
1100213003201
5
Quinary
20402201424
6
Senary
2032530545
8
Octal
120470341
10
Decimal
21131489
12
Duodecimal
70b0a55
16
Hexadecimal
14270e1
20
Vigesimal
6c18e9
36
Base36
ckx5t
md5
dab2239591d716deb2b82a77213e13f0
sha1
3a692808e9c44db68e60fa7d4c0ec10b2228e008
sha256
264d5761e5d33477e92b82b6bf0b9469fa03111f3b48a757465211a01884343a
sha512
bdd6a760f10c81fe09602f9c6a0b785268d308bb7569f466cf06d8b8eb07a48353377fd35267b0c702d14642a625215cfafc18d144f29f42e3e35f4d21c8f0e5
ripemd-160
ba45825cd49ee249032175ab13cb792807fb4876
Diameter
42262978
Circumference
132773061.20363
Area
1.4028462411604E+15
Volume
3.9525639885029E+22
Surface area
5.6113849646415E+15
Circumference
132773061.20363
Perimeter
84525956
Area
446539827357121
Diagonal
29884438.336938
Surface area
2679238964142726
Volume
9.4360514498589E+21
Space diagonal
36600812.587583
Perimeter
63394467
Area
1.9335741714639E+14
Altitude
18300406.293791
Surface area
1.9335741714639E+14
Volume
1.1120493279701E+21
Height
9961479.445646