21556492 is an even 8-digits composite number following 21556491
and preceding 21556493 . In scientific notation, it is written as 2.1556492 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 10715600 positive integers (up to 21556492) that are relatively prime to 21556492.
21556492 has 12 divisors, whose sum is 37943136
The reverse of 21556492 is 29465512
Previous prime number is 173
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million five hundred fifty-six thousand four hundred ninety-two
Scientific notation
2.1556492 × 10^7
Engineering notation
2.1556492 × 10^6
Prime Factorization
2 × 2 × 173 × 31151
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10778246
Product of the distinct prime numbers
The prime factorization of 21556492 is 2 × 2 × 173 × 31151.
Since it has a total of 4 prime factors.
2 , 3 , 18 , 83 , 644 , 150 , 3739 , 836 , 5135 , 40492 , 997676 , 427460 , 722434 , 186739 , 28001836 , 47452354 , 683848263 , 499009018 , 8086234267 , 8547775224
n×2
43112984
n×3
64669476
n×4
86225968
n×5
107782460
n÷2
10778246
n÷3
7185497.3333333
n÷3
5389123
n÷5
4311298.4
n2
464682347346064
n3
1.0016921303107E+22
n4
2.1592968393505E+29
n5
4.6546865043084E+36
2 √n
4642.8969404888
3 √n
278.30821706343
4 √n
68.138806421075
5 √n
29.289746805731
1 , 2 , 4 , 173 , 346 , 692 , 31151 , 62302 , 124604 , 5389123 , 10778246 , 21556492
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
-21556491
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 21556492 can be divided by 12 positive divisors.
The sum of these divisors (counting 21556492) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010001110110100001100
3
Ternary
1111120011221121
4
Quaternary
1102032310030
5
Quinary
21004301432
6
Senary
2050010324
8
Octal
122166414
10
Decimal
21556492
12
Duodecimal
72769a4
16
Hexadecimal
148ed0c
20
Vigesimal
6eeb4c
36
Base36
cu13g
md5
d83a6ec72ca598e09ba79320ed7eb192
sha1
578d6eec39690f0922273a0161340b887db342d0
sha256
40cbe5728352f7f8a0c9d2177c0d80376b91a360cd662cb9a17a74929db2bbeb
sha512
f75da204f1938ba34868935fc0cb7a91a23078fe9f174d800c3556d5de42baa501ece4b3fe52e8ab4721479bc7afaed4744d803dd00f65a38c4e668f0160073e
ripemd-160
e0f019b748e26c3ea178baedb37a1ef3d1dcafde
Diameter
43112984
Circumference
135443433.80873
Area
1.4598426486753E+15
Volume
4.1958781836569E+22
Surface area
5.839370594701E+15
Circumference
135443433.80873
Perimeter
86225968
Area
464682347346064
Diagonal
30485483.343587
Surface area
2788094084076384
Volume
1.0016921303107E+22
Space diagonal
37336939.376952
Perimeter
64669476
Area
2.0121335874594E+14
Altitude
18668469.688476
Surface area
2.0121335874594E+14
Volume
1.1805054966731E+21
Height
10161827.781196