21767780 is an even 8-digits composite number following 21767779
and preceding 21767781 . In scientific notation, it is written as 2.1767780 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 8707104 positive integers (up to 21767780) that are relatively prime to 21767780.
21767780 has 12 divisors, whose sum is 45712380
The reverse of 21767780 is 08776712
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-one million seven hundred sixty-seven thousand seven hundred eighty
Scientific notation
2.1767780 × 10^7
Engineering notation
2.1767780 × 10^6
Prime Factorization
2 × 2 × 5 × 1088389
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10883890
Product of the distinct prime numbers
The prime factorization of 21767780 is 2 × 2 × 5 × 1088389.
Since it has a total of 4 prime factors.
7 , 1 , 48 , 2 , 547 , 17 , 2401 , 9370 , 65806 , 14590 , 896802 , 424547 , 8529299 , 4717788 , 94180092 , 65885418 , 159718957 , 776053827 , 1622702058 , 1120630782
n×2
43535560
n×3
65303340
n×4
87071120
n×5
108838900
n÷2
10883890
n÷3
7255926.6666667
n÷3
5441945
n÷5
4353556
n2
473836246128400
n3
1.0314363161749E+22
n4
2.2452078814505E+29
n5
4.8873191217681E+36
2 √n
4665.5953532213
3 √n
279.21455043586
4 √n
68.305163444803
5 √n
29.346940254384
1 , 2 , 4 , 5 , 10 , 20 , 1088389 , 2176778 , 4353556 , 5441945 , 10883890 , 21767780
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
-21767779
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 21767780 can be divided by 12 positive divisors.
The sum of these divisors (counting 21767780) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010011000010011001100100
3
Ternary
1111221220210002
4
Quaternary
1103002121210
5
Quinary
21033032110
6
Senary
2054320432
8
Octal
123023144
10
Decimal
21767780
12
Duodecimal
7359118
16
Hexadecimal
14c2664
20
Vigesimal
6g0j90
36
Base36
cyk4k
md5
71d4f1b18db14328f1e6813d6875a9bf
sha1
bf643ccd1516b210fac0e13faf16afa66ec72918
sha256
2ba5ef3192484e1633fa07fe529322689e4dfa11eb80823c1dba6ac7ce0a42d4
sha512
469474a107facf1ae23c30d355a1e006e9b4ce536ce985b2981f4b0926153ac4725a1a01ddbde7c77d1a2ca7423c88d79a15771472265076cf1392089e69c75d
ripemd-160
f568a42a4bb45a7e137c1e4555bf9a198e49d559
Diameter
43535560
Circumference
136770995.46592
Area
1.4886004698415E+15
Volume
4.3204703380543E+22
Surface area
5.9544018793662E+15
Circumference
136770995.46592
Perimeter
87071120
Area
473836246128400
Diagonal
30784289.698754
Surface area
2843017476770400
Volume
1.0314363161749E+22
Space diagonal
37702900.927982
Perimeter
65303340
Area
2.0517711319053E+14
Altitude
18851450.463991
Surface area
2.0517711319053E+14
Volume
1.2155593558822E+21
Height
10261429.899585