21977668 is an even 8-digits composite number following 21977667
and preceding 21977669 . In scientific notation, it is written as 2.1977668 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors.
There are 10342400 positive integers (up to 21977668) that are relatively prime to 21977668.
21977668 has 12 divisors, whose sum is 40723452
The reverse of 21977668 is 86677912
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty-one million nine hundred seventy-seven thousand six hundred sixty-eight
Scientific notation
2.1977668 × 10^7
Engineering notation
2.1977668 × 10^6
Prime Factorization
2 × 2 × 17 × 323201
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10988834
Product of the distinct prime numbers
The prime factorization of 21977668 is 2 × 2 × 17 × 323201.
Since it has a total of 4 prime factors.
2 , 1 , 19 , 70 , 900 , 663 , 3099 , 7038 , 87615 , 54990 , 948887 , 726238 , 697700 , 8011251 , 28629030 , 20280952 , 235722454 , 220144634 , 7606241927 , 8773378393
n×2
43955336
n×3
65933004
n×4
87910672
n×5
109888340
n÷2
10988834
n÷3
7325889.3333333
n÷3
5494417
n÷5
4395533.6
n2
483017890718224
n3
1.0615606840265E+22
n4
2.3330628275388E+29
n5
5.1275280246789E+36
2 √n
4688.0345561866
3 √n
280.10909014519
4 √n
68.469223423277
5 √n
29.403316701913
1 , 2 , 4 , 17 , 34 , 68 , 323201 , 646402 , 1292804 , 5494417 , 10988834 , 21977668
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
-21977667
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 21977668 can be divided by 12 positive divisors.
The sum of these divisors (counting 21977668) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010011110101101001000100
3
Ternary
1112100120200201
4
Quaternary
1103311221010
5
Quinary
21111241133
6
Senary
2103020244
8
Octal
123655104
10
Decimal
21977668
12
Duodecimal
743a684
16
Hexadecimal
14f5a44
20
Vigesimal
6h7438
36
Base36
d322s
md5
dd5ffb8a429ba97947b9b3bdb81d88a2
sha1
6de01af1164431f57ee1e20c2f530b37b5161467
sha256
455a6d0d67bdd12349946fb2b451dbdc43668a4dadf5c8b38b5242a862e41c34
sha512
6ac42ab912e13ff8edd2ac9efac6a660bb19dcdb22d094df7b238b1a0f3111407b62ab2dacc6e8e437a06df1d10f61d46418b6b1cb05af61a5d04692702d572f
ripemd-160
24240072fdb7aa81e854228c9b217042215c3f6e
Diameter
43955336
Circumference
138089760.66367
Area
1.5174454570328E+15
Volume
4.4466549950367E+22
Surface area
6.0697818281312E+15
Circumference
138089760.66367
Perimeter
87910672
Area
483017890718224
Diagonal
31081116.154933
Surface area
2898107344309344
Volume
1.0615606840265E+22
Space diagonal
38066437.607881
Perimeter
65933004
Area
2.0915288192218E+14
Altitude
19033218.80394
Surface area
2.0915288192218E+14
Volume
1.2510612638603E+21
Height
10360372.051644