21090180 is an even 8-digits composite number following 21090179
and preceding 21090181 . In scientific notation, it is written as 2.1090180 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors.
There are 5624032 positive integers (up to 21090180) that are relatively prime to 21090180.
21090180 has 24 divisors, whose sum is 59052672
The reverse of 21090180 is 08109012
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million ninety thousand one hundred eighty
Scientific notation
2.1090180 × 10^7
Engineering notation
2.1090180 × 10^6
Prime Factorization
2 × 2 × 5 × 3 × 351503
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10545090
Product of the distinct prime numbers
The prime factorization of 21090180 is 2 × 2 × 5 × 3 × 351503.
Since it has a total of 5 prime factors.
6 , 7 , 88 , 68 , 467 , 912 , 7940 , 3161 , 20066 , 75630 , 183866 , 738853 , 7305424 , 5049784 , 65118442 , 26106764 , 727533857 , 10030198 , 6845249239 , 4742175438
n×2
42180360
n×3
63270540
n×4
84360720
n×5
105450900
n÷2
10545090
n÷3
7030060
n÷3
5272545
n÷5
4218036
n2
444795692432400
n3
9.380821216624E+21
n4
1.9784320800642E+29
n5
4.1725488686328E+36
2 √n
4592.4045989002
3 √n
276.28677397197
4 √n
67.767282658376
5 √n
29.161916175694
1 , 2 , 3 , 4 , 5 , 6 , 10 , 12 , 15 , 20 , 30 , 60 , 351503 , 703006 , 1054509 , 1406012 , 1757515 , 2109018 , 3515030 , 4218036 , 5272545 , 7030060 , 10545090 , 21090180
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21090179
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21090180 can be divided by 24 positive divisors.
The sum of these divisors (counting 21090180) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000011100111110000100
3
Ternary
1110200111021210
4
Quaternary
1100130332010
5
Quinary
20344341210
6
Senary
2032011420
8
Octal
120347604
10
Decimal
21090180
12
Duodecimal
7090b70
16
Hexadecimal
141cf84
20
Vigesimal
6bg590
36
Base36
ck1ac
md5
b16131f210698da9d8aef0746585e5e2
sha1
f6089840f250a1ae7680542d7840fd830ef5d2e3
sha256
0d1fdab60432b88501390afeb599c10d5e06e38f81d3005219f5b548482abeda
sha512
3d978c3869e38a6a54b38c3047dc86c7d1b549951d9d950d2b927640b2e1d6c55f9db9b3d3391e5252b7b1b4854b693107da641e180487865ebefb8818042bd3
ripemd-160
11ad140daa8d04ddda81f5b3f5f1213449986113
Diameter
42180360
Circumference
132513509.10177
Area
1.397366879694E+15
Volume
3.9294292025047E+22
Surface area
5.5894675187761E+15
Circumference
132513509.10177
Perimeter
84360720
Area
444795692432400
Diagonal
29826018.58889
Surface area
2668774154594400
Volume
9.380821216624E+21
Space diagonal
36529263.300773
Perimeter
63270540
Area
1.9260218457017E+14
Altitude
18264631.650386
Surface area
1.9260218457017E+14
Volume
1.1055403825622E+21
Height
9942006.1962966