21462988 is an even 8-digits composite number following 21462987
and preceding 21462989 . In scientific notation, it is written as 2.1462988 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 10708992 positive integers (up to 21462988) that are relatively prime to 21462988.
21462988 has 12 divisors, whose sum is 37639000
The reverse of 21462988 is 88926412
Previous prime number is 499
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million four hundred sixty-two thousand nine hundred eighty-eight
Scientific notation
2.1462988 × 10^7
Engineering notation
2.1462988 × 10^6
Prime Factorization
2 × 2 × 499 × 10753
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10731494
Product of the distinct prime numbers
The prime factorization of 21462988 is 2 × 2 × 499 × 10753.
Since it has a total of 4 prime factors.
10 , 5 , 70 , 49 , 215 , 64 , 8812 , 4503 , 87141 , 3112 , 449583 , 863561 , 7954450 , 3603332 , 46081352 , 38996225 , 428441189 , 104264519 , 8384546783 , 4604213320
n×2
42925976
n×3
64388964
n×4
85851952
n×5
107314940
n÷2
10731494
n÷3
7154329.3333333
n÷3
5365747
n÷5
4292597.6
n2
460659853888144
n3
9.887136916083E+21
n4
2.1220750098425E+29
n5
4.5546070471349E+36
2 √n
4632.8164220051
3 √n
277.90523485314
4 √n
68.064795761135
5 √n
29.264293010307
1 , 2 , 4 , 499 , 998 , 1996 , 10753 , 21506 , 43012 , 5365747 , 10731494 , 21462988
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
-21462987
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 21462988 can be divided by 12 positive divisors.
The sum of these divisors (counting 21462988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001110111111111001100
3
Ternary
1111101102200111
4
Quaternary
1101313333030
5
Quinary
20443303423
6
Senary
2044005404
8
Octal
121677714
10
Decimal
21462988
12
Duodecimal
7230864
16
Hexadecimal
1477fcc
20
Vigesimal
6e2h98
36
Base36
cs0y4
md5
ee5b3168743fc8396cea15ca18ef2800
sha1
acd151b7c03ed49198a5b3a5996948e0367ad463
sha256
738e71c19db63395f80accafdc81471efd2f35f04ea1cc55487cd1f664bbb8f4
sha512
d3bed3f3df8e123767e850bcd74d31222f2fa48c87c99b2c754015c769ab117eb911533edf25bdc12ce833251466d06a205db929308001aef0843632c00734e7
ripemd-160
9b6e0357408c552033fd46113d6e0d911c39a3f8
Diameter
42925976
Circumference
134855930.84977
Area
1.4472056127787E+15
Volume
4.141514226747E+22
Surface area
5.788822451115E+15
Circumference
134855930.84977
Perimeter
85851952
Area
460659853888144
Diagonal
30353248.718651
Surface area
2763959123328864
Volume
9.887136916083E+21
Space diagonal
37174985.698241
Perimeter
64388964
Area
1.9947156798538E+14
Altitude
18587492.849121
Surface area
1.9947156798538E+14
Volume
1.1652102599804E+21
Height
10117749.572884