21492892 is an even 8-digits composite number following 21492891
and preceding 21492893 . In scientific notation, it is written as 2.1492892 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 10720080 positive integers (up to 21492892) that are relatively prime to 21492892.
21492892 has 12 divisors, whose sum is 37704856
The reverse of 21492892 is 29829412
Previous prime number is 421
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million four hundred ninety-two thousand eight hundred ninety-two
Scientific notation
2.1492892 × 10^7
Engineering notation
2.1492892 × 10^6
Prime Factorization
2 × 2 × 421 × 12763
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10746446
Product of the distinct prime numbers
The prime factorization of 21492892 is 2 × 2 × 421 × 12763.
Since it has a total of 4 prime factors.
3 , 8 , 20 , 85 , 146 , 514 , 6366 , 4169 , 26151 , 36280 , 850782 , 654194 , 3498585 , 6144879 , 36116589 , 11798280 , 763736015 , 497033037 , 9413679365 , 3148167629
n×2
42985784
n×3
64478676
n×4
85971568
n×5
107464460
n÷2
10746446
n÷3
7164297.3333333
n÷3
5373223
n÷5
4298578.4
n2
461944406523664
n3
9.9285212394172E+21
n4
2.133926347185E+29
n5
4.5864248516002E+36
2 √n
4636.0427090354
3 √n
278.03424176671
4 √n
68.088491751803
5 √n
29.272443153336
1 , 2 , 4 , 421 , 842 , 1684 , 12763 , 25526 , 51052 , 5373223 , 10746446 , 21492892
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21492891
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492892 can be divided by 12 positive divisors.
The sum of these divisors (counting 21492892) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001111111010010011100
3
Ternary
1111102221201001
4
Quaternary
1101333102130
5
Quinary
21000233032
6
Senary
2044400044
8
Octal
121772234
10
Decimal
21492892
12
Duodecimal
7246024
16
Hexadecimal
147f49c
20
Vigesimal
6e6c4c
36
Base36
cso0s
md5
a917a32f2d6c46bb8f16a9f1d65baa08
sha1
666a0f154199aef10bd40d68b860e5ab78bb1a94
sha256
9e8438ba3514f062b6593974a1d6e1e37612b012578a66bfccde83c91d02e285
sha512
a638f309a09935ec23b1cc89634ce896d84ad33fa7494df7bfd11b517037cae21507ecd19fb7294b76521397a2b7c85787d2454ec71ffdf10f3cae36d29be80e
ripemd-160
64d79ad8e5141bbcc71f437fb9f85df4d376dfbb
Diameter
42985784
Circumference
135043823.2232
Area
1.4512411539016E+15
Volume
4.1588492515684E+22
Surface area
5.8049646156066E+15
Circumference
135043823.2232
Perimeter
85971568
Area
461944406523664
Diagonal
30395539.36102
Surface area
2771666439141984
Volume
9.9285212394172E+21
Space diagonal
37226780.945591
Perimeter
64478676
Area
2.0002779559281E+14
Altitude
18613390.472795
Surface area
2.0002779559281E+14
Volume
1.1700874492578E+21
Height
10131846.453673