21492690 is an even 8-digits composite number following 21492689
and preceding 21492691 . In scientific notation, it is written as 2.1492690 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 5597760 positive integers (up to 21492690) that are relatively prime to 21492690.
21492690 has 16 divisors, whose sum is 35190144
The reverse of 21492690 is 09629412
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million four hundred ninety-two thousand six hundred ninety
Scientific notation
2.1492690 × 10^7
Engineering notation
2.1492690 × 10^6
Prime Factorization
2 × 15 × 43 × 16661
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21492690
Product of the distinct prime numbers
The prime factorization of 21492690 is 2 × 15 × 43 × 16661.
Since it has a total of 4 prime factors.
1 , 1 , 58 , 81 , 739 , 976 , 1878 , 4127 , 35943 , 7788 , 746883 , 487395 , 8344380 , 6859278 , 49976967 , 27507332 , 320578400 , 646641977 , 4335767339 , 2441681843
n×2
42985380
n×3
64478070
n×4
85970760
n×5
107463450
n÷2
10746345
n÷3
7164230
n÷3
5373172.5
n÷5
4298538
n2
461935723436100
n3
9.9282413037378E+21
n4
2.1338461258643E+29
n5
4.5862093290903E+36
2 √n
4636.0209231624
3 √n
278.03337073312
4 √n
68.088331769566
5 √n
29.272388129975
1 , 2 , 15 , 30 , 43 , 86 , 645 , 1290 , 16661 , 33322 , 249915 , 499830 , 716423 , 1432846 , 10746345 , 21492690
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21492689
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21492690 can be divided by 16 positive divisors.
The sum of these divisors (counting 21492690) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111001111010010
3
Ternary
1111102221102120
4
Quaternary
1101333033102
5
Quinary
21000231230
6
Senary
2044355110
8
Octal
121771722
10
Decimal
21492690
12
Duodecimal
7245a96
16
Hexadecimal
147f3d2
20
Vigesimal
6e6bea
36
Base36
csnv6
md5
aaca412afe94f45727b85a05ea486a2b
sha1
640490ec91d4cd6fae78192d4fd29c3eca6059e9
sha256
76e75d24069cea902546024b583f8f1fd0badca71ca0ece4574256ac0af37a32
sha512
fc83547a29907ae8643a0a0921dac36e250932dfed3442b5e3f57d33bc99270872c03e6d6f5dbc20cf220327c38c9621fe22113f926c6e033bcf767f7e784d17
ripemd-160
8d0e627c67140ae54e794363c13511d6c45a1fdb
Diameter
42985380
Circumference
135042554.01977
Area
1.4512138751775E+15
Volume
4.1587319923853E+22
Surface area
5.8048555007102E+15
Circumference
135042554.01977
Perimeter
85970760
Area
461935723436100
Diagonal
30395253.689881
Surface area
2771614340616600
Volume
9.9282413037378E+21
Space diagonal
37226431.071328
Perimeter
64478070
Area
2.000240357056E+14
Altitude
18613215.535664
Surface area
2.000240357056E+14
Volume
1.1700544585216E+21
Height
10131751.22996