21496988 is an even 8-digits composite number following 21496987
and preceding 21496989 . In scientific notation, it is written as 2.1496988 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors.
There are 10734240 positive integers (up to 21496988) that are relatively prime to 21496988.
21496988 has 12 divisors, whose sum is 37669632
The reverse of 21496988 is 88969412
Previous prime number is 857
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty-one million four hundred ninety-six thousand nine hundred eighty-eight
Scientific notation
2.1496988 × 10^7
Engineering notation
2.1496988 × 10^6
Prime Factorization
2 × 2 × 857 × 6271
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10748494
Product of the distinct prime numbers
The prime factorization of 21496988 is 2 × 2 × 857 × 6271.
Since it has a total of 4 prime factors.
4 , 5 , 43 , 94 , 320 , 471 , 9428 , 6406 , 23190 , 31079 , 325582 , 507033 , 1435529 , 6918245 , 12670112 , 15802212 , 626331839 , 649891012 , 6527958585 , 4505693815
n×2
42993976
n×3
64490964
n×4
85987952
n×5
107484940
n÷2
10748494
n÷3
7165662.6666667
n÷3
5374247
n÷5
4299397.6
n2
462120493072144
n3
9.934198694126E+21
n4
2.1355535011724E+29
n5
4.5907967988061E+36
2 √n
4636.4844440589
3 √n
278.05190273602
4 √n
68.091735504824
5 √n
29.273558785315
1 , 2 , 4 , 857 , 1714 , 3428 , 6271 , 12542 , 25084 , 5374247 , 10748494 , 21496988
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
-21496987
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 21496988 can be divided by 12 positive divisors.
The sum of these divisors (counting 21496988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010010000000010010011100
3
Ternary
1111110011022202
4
Quaternary
1102000102130
5
Quinary
21000400423
6
Senary
2044431032
8
Octal
122002234
10
Decimal
21496988
12
Duodecimal
7248478
16
Hexadecimal
148049c
20
Vigesimal
6e7298
36
Base36
csr6k
md5
b80a63c2defe7c5522b687509ba2d88f
sha1
81a3a8f335327ce36b51208a84b295f891f44518
sha256
506d2b2aeb9f882eb12a208d385a02b6b388b20aad6a48f158283514a8c17a13
sha512
1a7e97957837035b828e71e6b4e92dcddf481bb060c626f84d577defee6e31b2c9b85c527b3c7d929fc4ab3ce2de2f65057966657289162c93df4b34967e4a9a
ripemd-160
844e5dc1f325e912d195ca1337323228461c6db5
Diameter
42993976
Circumference
135069559.15022
Area
1.4517943461087E+15
Volume
4.1612274182357E+22
Surface area
5.807177384435E+15
Circumference
135069559.15022
Perimeter
85987952
Area
462120493072144
Diagonal
30401331.979772
Surface area
2772722958432864
Volume
9.934198694126E+21
Space diagonal
37233875.425698
Perimeter
64490964
Area
2.0010404330493E+14
Altitude
18616937.712849
Surface area
2.0010404330493E+14
Volume
1.1707565437118E+21
Height
10133777.326591