21496978 is an even 8-digits composite number following 21496977
and preceding 21496979 . In scientific notation, it is written as 2.1496978 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 10748488 positive integers (up to 21496978) that are relatively prime to 21496978.
21496978 has 4 divisors, whose sum is 32245470
The reverse of 21496978 is 87969412
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty-one million four hundred ninety-six thousand nine hundred seventy-eight
Scientific notation
2.1496978 × 10^7
Engineering notation
2.1496978 × 10^6
Prime Factorization
2 × 10748489
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21496978
Product of the distinct prime numbers
The prime factorization of 21496978 is 2 × 10748489.
Since it has a total of 2 prime factors.
5 , 5 , 99 , 4 , 52 , 473 , 9555 , 8383 , 81992 , 26353 , 946849 , 111187 , 7301045 , 9904029 , 58372943 , 5116672 , 222125316 , 470866726 , 1579053171 , 9457590065
n×2
42993956
n×3
64490934
n×4
85987912
n×5
107484890
n÷2
10748489
n÷3
7165659.3333333
n÷3
5374244.5
n÷5
4299395.6
n2
462120063132484
n3
9.9341848305176E+21
n4
2.1355495274957E+29
n5
4.5907861210486E+36
2 √n
4636.4833656555
3 √n
278.05185962115
4 √n
68.091727586069
5 √n
29.273556061812
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21496977
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21496978 can be divided by 4 positive divisors.
The sum of these divisors (counting 21496978) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010000000010010010010
3
Ternary
1111110011022101
4
Quaternary
1102000102102
5
Quinary
21000400403
6
Senary
2044431014
8
Octal
122002222
10
Decimal
21496978
12
Duodecimal
724846a
16
Hexadecimal
1480492
20
Vigesimal
6e728i
36
Base36
csr6a
md5
7378716215f9fe224aece8033c50ba19
sha1
110bbfa63a86e11c22b0b31f4781a89ef5f6dc39
sha256
76c151fa7946e5df39e86526004932692791a1393b53f7ca0c7d35340f0b91e2
sha512
067c5243687d9f0c55bfc6c9232d3f5868a77646712e1f18c4c83f0f6365c97df4d4e6c265542259958649220e97714f265980686a1a2b458635f89c6ddb2cab
ripemd-160
ccd9032018bf78ad1f37a327c4e8d32bd4ffb328
Diameter
42993956
Circumference
135069496.31836
Area
1.4517929954135E+15
Volume
4.161221611061E+22
Surface area
5.8071719816539E+15
Circumference
135069496.31836
Perimeter
85987912
Area
462120063132484
Diagonal
30401317.837636
Surface area
2772720378794904
Volume
9.9341848305176E+21
Space diagonal
37233858.10519
Perimeter
64490934
Area
2.001038571356E+14
Altitude
18616929.052595
Surface area
2.001038571356E+14
Volume
1.1707549098699E+21
Height
10133772.612545