21782968 is an even 8-digits composite number following 21782967
and preceding 21782969 . In scientific notation, it is written as 2.1782968 × 10^7.
The sum of its digits is 43. It has a total of 6 prime factors and 32 positive divisors.
There are 10234080 positive integers (up to 21782968) that are relatively prime to 21782968.
21782968 has 32 divisors, whose sum is 43344000
The reverse of 21782968 is 86928712
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-one million seven hundred eighty-two thousand nine hundred sixty-eight
Scientific notation
2.1782968 × 10^7
Engineering notation
2.1782968 × 10^6
Prime Factorization
2 × 2 × 2 × 139 × 19 × 1031
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5445742
Product of the distinct prime numbers
The prime factorization of 21782968 is 2 × 2 × 2 × 139 × 19 × 1031.
Since it has a total of 6 prime factors.
5 , 2 , 60 , 82 , 74 , 67 , 2080 , 1209 , 67344 , 1925 , 932018 , 456353 , 5747014 , 4519530 , 94185500 , 52604895 , 927443940 , 725716520 , 4502417598 , 1327872802
n×2
43565936
n×3
65348904
n×4
87131872
n×5
108914840
n÷2
10891484
n÷3
7260989.3333333
n÷3
5445742
n÷5
4356593.6
n2
474497694889024
n3
1.0335968103841E+22
n4
2.25148062455E+29
n5
4.9043930397192E+36
2 √n
4667.2227287756
3 √n
279.27947398626
4 √n
68.31707494306
5 √n
29.351034351105
1 , 2 , 4 , 8 , 19 , 38 , 76 , 139 , 152 , 278 , 556 , 1031 , 1112 , 2062 , 2641 , 4124 , 5282 , 8248 , 10564 , 19589 , 21128 , 39178 , 78356 , 143309 , 156712 , 286618 , 573236 , 1146472 , 2722871 , 5445742 , 10891484 , 21782968
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21782967
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21782968 can be divided by 32 positive divisors.
The sum of these divisors (counting 21782968) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010011000110000110111000
3
Ternary
1111222200121121
4
Quaternary
1103012012320
5
Quinary
21034023333
6
Senary
2054515024
8
Octal
123060670
10
Decimal
21782968
12
Duodecimal
7365a74
16
Hexadecimal
14c61b8
20
Vigesimal
6g2h88
36
Base36
cyvug
md5
8739356db30e89c6b259f19c44da3bf0
sha1
6ae57afc5d92c40090946130ad092a308c8ff4d0
sha256
7f065f63c4ec2a4e43cb29002d161631905915c5f43edd198dc368f66b5b2c56
sha512
9ea3fe5ea6b7bda959a8aada5e785080010c55ec9485ff05046c4ee348d30be167049b446e3735e873e54a40597b382f7dfbdd5fe4e10634a90c37eceb59ff0d
ripemd-160
34d0b638adcf385b65edf83fabd08e13e3203424
Diameter
43565936
Circumference
136866424.48436
Area
1.4906784724086E+15
Volume
4.3295201950355E+22
Surface area
5.9627138896346E+15
Circumference
136866424.48436
Perimeter
87131872
Area
474497694889024
Diagonal
30805768.774339
Surface area
2846986169334144
Volume
1.0335968103841E+22
Space diagonal
37729207.315647
Perimeter
65348904
Area
2.0546352890553E+14
Altitude
18864603.657824
Surface area
2.0546352890553E+14
Volume
1.2181055227257E+21
Height
10268589.591446