21492130 is an even 8-digits composite number following 21492129
and preceding 21492131 . In scientific notation, it is written as 2.1492130 × 10^7.
The sum of its digits is 22. It has a total of 5 prime factors and 32 positive divisors.
There are 7684800 positive integers (up to 21492130) that are relatively prime to 21492130.
21492130 has 32 divisors, whose sum is 42907968
The reverse of 21492130 is 03129412
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million four hundred ninety-two thousand one hundred thirty
Scientific notation
2.1492130 × 10^7
Engineering notation
2.1492130 × 10^6
Prime Factorization
2 × 5 × 11 × 61 × 3203
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21492130
Product of the distinct prime numbers
The prime factorization of 21492130 is 2 × 5 × 11 × 61 × 3203.
Since it has a total of 5 prime factors.
1 , 1 , 77 , 21 , 640 , 740 , 5734 , 3936 , 79401 , 54595 , 904171 , 561961 , 1942412 , 396182 , 16258710 , 55724585 , 143490185 , 845478755 , 3360790077 , 6095828136
n×2
42984260
n×3
64476390
n×4
85968520
n×5
107460650
n÷2
10746065
n÷3
7164043.3333333
n÷3
5373032.5
n÷5
4298426
n2
461911651936900
n3
9.9274652719426E+21
n4
2.1336237419508E+29
n5
4.5856118833092E+36
2 √n
4635.9605261477
3 √n
278.03095595799
4 √n
68.087888248555
5 √n
29.272235587802
1 , 2 , 5 , 10 , 11 , 22 , 55 , 61 , 110 , 122 , 305 , 610 , 671 , 1342 , 3203 , 3355 , 6406 , 6710 , 16015 , 32030 , 35233 , 70466 , 176165 , 195383 , 352330 , 390766 , 976915 , 1953830 , 2149213 , 4298426 , 10746065 , 21492130
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21492129
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492130 can be divided by 32 positive divisors.
The sum of these divisors (counting 21492130) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001111111000110100010
3
Ternary
1111102220122211
4
Quaternary
1101333012202
5
Quinary
21000222010
6
Senary
2044352334
8
Octal
121770642
10
Decimal
21492130
12
Duodecimal
72456aa
16
Hexadecimal
147f1a2
20
Vigesimal
6e6a6a
36
Base36
csnfm
md5
3f32239b7b6d6c8899f4418d671ca29d
sha1
cde0864c27df85d13712f4f0c237aa77319ed52e
sha256
510fd8f9e3e8ee20c179ecdc5108b62d0ec8d73791f18aa51f5168e8fd51d5c0
sha512
2940531abc11b31d9d63193dbfa2a7cdeb50cabb8a994b82b7890e3190b2f01658609030a4a29664373762adac1b13e936925621e060d61f3d9e996fe0242d56
ripemd-160
142d51c8e3e97074e9000fcf9e752a7ddb663e9c
Diameter
42984260
Circumference
135039035.43599
Area
1.4511382523325E+15
Volume
4.158406928947E+22
Surface area
5.80455300933E+15
Circumference
135039035.43599
Perimeter
85968520
Area
461911651936900
Diagonal
30394461.730286
Surface area
2771469911621400
Volume
9.9274652719426E+21
Space diagonal
37225461.122875
Perimeter
64476390
Area
2.000136124407E+14
Altitude
18612730.561438
Surface area
2.000136124407E+14
Volume
1.1699630022974E+21
Height
10131487.243429