21681092 is an even 8-digits composite number following 21681091
and preceding 21681093 . In scientific notation, it is written as 2.1681092 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 6 positive divisors.
There are 10840544 positive integers (up to 21681092) that are relatively prime to 21681092.
21681092 has 6 divisors, whose sum is 37941918
The reverse of 21681092 is 29018612
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million six hundred eighty-one thousand ninety-two
Scientific notation
2.1681092 × 10^7
Engineering notation
2.1681092 × 10^6
Prime Factorization
2 × 2 × 5420273
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10840546
Product of the distinct prime numbers
The prime factorization of 21681092 is 2 × 2 × 5420273.
Since it has a total of 3 prime factors.
3 , 3 , 36 , 3 , 855 , 824 , 1677 , 6578 , 59411 , 59896 , 268855 , 245867 , 4093427 , 6062614 , 4573777 , 28211647 , 754895094 , 924518144 , 8990600204 , 339875735
n×2
43362184
n×3
65043276
n×4
86724368
n×5
108405460
n÷2
10840546
n÷3
7227030.6666667
n÷3
5420273
n÷5
4336218.4
n2
470069750312464
n3
1.0191625502942E+22
n4
2.2096557015882E+29
n5
4.7907748554459E+36
2 √n
4656.2959527934
3 √n
278.84340934327
4 √n
68.237057034967
5 √n
29.323528681858
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21681091
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21681092 can be divided by 6 positive divisors.
The sum of these divisors (counting 21681092) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010010101101001111000100
3
Ternary
1111210111212102
4
Quaternary
1102231033010
5
Quinary
21022243332
6
Senary
2052411232
8
Octal
122551704
10
Decimal
21681092
12
Duodecimal
7316b18
16
Hexadecimal
14ad3c4
20
Vigesimal
6fa2ec
36
Base36
cwp8k
md5
9d618c003351ea5cf88afffc6ac317a2
sha1
4b7955144e7da3c5f91f94bd1ca80f6a7b2cf399
sha256
88c0b9fb1b3c722104888f5c7268b8ae436e23e84939e74d4e7b6731ce2991a3
sha512
a01c851bff313deadf94902d9c16da7382a19da996163e0b29ca3fe4657e11ab6d1aff72e992254995403aa54bc947ac16b250765ac791aba43b54045d72a319
ripemd-160
ad2f9d73bd01c48781755555a6294d8fe6947f88
Diameter
43362184
Circumference
136226318.69801
Area
1.4767676742564E+15
Volume
4.2690581077573E+22
Surface area
5.9070706970257E+15
Circumference
136226318.69801
Perimeter
86724368
Area
470069750312464
Diagonal
30661694.353459
Surface area
2820418501874784
Volume
1.0191625502942E+22
Space diagonal
37552752.907575
Perimeter
65043276
Area
2.035461726606E+14
Altitude
18776376.453788
Surface area
2.035461726606E+14
Volume
1.201094584074E+21
Height
10220564.784486